LTC2053CMS8#PBF [Linear]
LTC2053 - Precision, Rail-to-Rail, Zero-Drift, Resistor-Programmable Instrumentation Amplifier; Package: MSOP; Pins: 8; Temperature Range: 0°C to 70°C;
| 型号： | LTC2053CMS8#PBF |
| 厂家： | 
Linear |
| 描述： | LTC2053 - Precision, Rail-to-Rail, Zero-Drift, Resistor-Programmable Instrumentation Amplifier; Package: MSOP; Pins: 8; Temperature Range: 0°C to 70°C 放大器 光电二极管 |
| 文件： | 总18页 (文件大小：363K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LTC2053/LTC2053-SYNC
Precision, Rail-to-Rail,
Zero-Drift, Resistor-Programmable
Instrumentation Amplifier
DescripTion
FeaTures
n
116dB CMRR Independent of Gain
The LTC®2053 is a high precision instrumentation ampli-
fier. The CMRR is typically 116dB with a single or dual
5V supply and is independent of gain. The input offset
voltage is guaranteed below 10µV with a temperature
drift of less than 50nV/°C. The LTC2053 is easy to use;
the gain is adjustable with two external resistors, like a
traditional op amp.
n
Maximum Offset Voltage: 10µV
n
Maximum Offset Voltage Drift: 50nV/°C
n
Rail-to-Rail Input
Rail-to-Rail Output
2-Resistor Programmable Gain
Supply Operation: 2.7V to 5.5V
n
n
n
n
Typical Noise: 2.5µV (0.01Hz to 10Hz)
P-P
The LTC2053 uses charge balanced sampled data tech-
niques to convert a differential input voltage into a single
ended signal that is in turn amplified by a zero-drift op-
erational amplifier.
n
n
Typical Supply Current: 750µA
LTC2053-SYNC Allows Synchronization to
External Clock
n
Available in MS8 and 3mm × 3mm × 0.8mm
DFN Packages
The differential inputs operate from rail-to-rail and the
single-endedoutputswingsfromrail-to-rail.TheLTC2053
can be used in single-supply applications, as low as 2.7V.
It can also be used with dual 5.5V supplies. The LTC2053
requires no external clock, while the LTC2053-SYNC has
a CLK pin to synchronize to an external clock.
applicaTions
n
Thermocouple Amplifiers
n
Electronic Scales
n
Medical Instrumentation
Strain Gauge Amplifiers
High Resolution Data Acquisition
The LTC2053 is available in an MS8 surface mount pack-
age. For space limited applications, the LTC2053 is avail-
able in a 3mm × 3mm × 0.8mm dual fine pitch leadless
package (DFN).
n
n
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
Typical applicaTion
Typical Input Referred Offset vs Input
Common Mode Voltage (VS = 3V)
Differential Bridge Amplifier
15
3V
V
V
T
= 3V
REF
= 25°C
S
= 0V
0.1µF
10
5
A
R < 10k
8
2
–
7
OUT
LTC2053
0
3
G = 1000
G = 10
6
+
G = 100
G = 1
R2 10k
5
–5
–10
–15
1, 4
R2
R1
GAIN = 1+
0.1µF
R1
10Ω
0
1.0
1.5
2.0
2.5
3.0
0.5
2053 TA01
INPUT COMMON MODE VOLTAGE (V)
2053 TA01b
2053syncfd
1
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
(Note 1)
absoluTe MaxiMuM raTings
+
–
Total Supply Voltage (V to V )................................. 11V
Input Current........................................................ 10mA
Storage Temperature Range
MS8 Package..................................... –65°C to 150°C
DD Package ....................................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)...................300°C
|V – V | ...........................................................5.5V
–
IN
REF
|V – V |............................................................5.5V
+
IN
REF
Output Short-Circuit Duration.......................... Indefinite
Operating Temperature Range
LTC2053C, LTC2053C-SYNC ................... 0°C to 70°C
LTC2053I, LTC2053I-SYNC..................–40°C to 85°C
LTC2053H.......................................... –40°C to 125°C
pin conFiguraTion
TOP VIEW
+
TOP VIEW
+
EN
–IN
+IN
1
2
3
4
8
7
6
5
V
EN/CLK†
–IN
1
2
3
4
8 V
OUT
RG
REF
9
7 OUT
6 RG
5 REF
+IN
–
–
V
V
MS8 PACKAGE
8-LEAD PLASTIC MSOP
DD PACKAGE
T
= 150°C, θ = 200°C/W
8-LEAD (3mm × 3mm) PLASTIC DFN
JMAX
JA
†PIN 1 IS EN ON LTC2053, CLK ON LTC2053-SYNC
T
JMAX
= 125°C, θ = 160°C/W
JA
, UNDERSIDE METAL INTERNALLY CONNECTED TO V
(PCB CONNECTION OPTIONAL)
–
orDer inForMaTion
LEAD FREE FINISH
LTC2053CDD#PBF
LTC2053IDD#PBF
LTC2053HDD#PBF
LTC2053CMS8#PBF
LTC2053IMS8#PBF
LTC2053HMS8#PBF
TAPE AND REEL
PART MARKING*
LAEQ
PACKAGE DESCRIPTION
TEMPERATURE RANGE
0°C to 70°C
LTC2053CDD#TRPBF
LTC2053IDD#TRPBF
LTC2053HDD#TRPBF
LTC2053CMS8#TRPBF
LTC2053IMS8#TRPBF
LTC2053HMS8#TRPBF
8-Lead (3mm × 3mm) Plastic DFN
8-Lead (3mm × 3mm) Plastic DFN
8-Lead (3mm × 3mm) Plastic DFN
8-Lead Plastic MSOP
LAEQ
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
LAEQ
LTVT
LTJY
8-Lead Plastic MSOP
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
LTAFB
8-Lead Plastic MSOP
LTC2053CMS8-SYNC#PBF LTC2053CMS8-SYNC#TRPBF LTBNP
LTC2053IMS8-SYNC#PBF LTC2053IMS8-SYNC#TRPBF LTBNP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
2053syncfd
2
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
elecTrical characTerisTics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. V+ = 3V, V– = 0V, REF = 200mV. Output voltage swing is referenced
to V–. All other specifications reference the OUT pin to the REF pin.
PARAMETER
Gain Error
CONDITIONS
MIN
TYP
MAX
UNITS
l
A
= 1
0.001
0.01
%
V
l
l
Gain Nonlinearity
A
A
= 1, LTC2053
= 1, LTC2053-SYNC
3
3
12
15
ppm
ppm
V
V
Input Offset Voltage (Note 2)
V
= 200mV
–5
10
µV
CM
l
l
Average Input Offset Drift (Note 2)
T = –40°C to 85°C
A
50
nV/°C
µV/°C
A
T = 85°C to 125°C
–1
4
–2.5
l
l
Average Input Bias Current (Note 3)
Average Input Offset Current (Note 3)
Input Noise Voltage
V
CM
V
CM
= 1.2V
= 1.2V
10
3
nA
nA
1
DC to 10Hz
2.5
µV
P-P
l
l
l
l
l
Common Mode Rejection Ratio
(Notes 4, 5)
A
A
A
A
A
= 1, V = 0V to 3V, LTC2053C, LTC2053C-SYNC
100
100
95
100
85
113
113
113
dB
dB
dB
dB
dB
V
V
V
V
V
CM
= 1, V = 0.1V to 2.9V, LTC2053I, LTC2053I-SYNC
CM
= 1, V = 0V to 3V, LTC2053I, LTC2053I-SYNC
CM
= 1, V = 0.1V to 2.9V, LTC2053H
CM
= 1, V = 0V to 3V, LTC2053H
CM
l
Power Supply Rejection Ratio (Note 6)
Output Voltage Swing High
V = 2.7V to 6V
110
116
dB
S
–
l
l
R = 2k to V
L
2.85
2.95
2.94
2.98
V
V
L
–
R = 10k to V
l
l
Output Voltage Swing Low
Supply Current
20
1
mV
mA
µA
No Load
0.75
Supply Current, Shutdown
V
EN
≥ 2.5V, LTC2053 Only
10
0.5
EN/CLK Pin Input Low Voltage, V
V
IL
EN/CLK Pin Input High Voltage, V
EN/CLK Pin Input Current
Internal Op Amp Gain Bandwidth
Slew Rate
2.5
V
IH
–
V
= V
–0.5
200
0.2
3
–10
µA
EN/CLK
kHz
V/µs
kHz
Internal Sampling Frequency
The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
V+ = 5V, V– = 0V, REF = 200mV. Output voltage swing is referenced to V–. All other specifications reference the OUT pin to the REF pin.
PARAMETER
CONDITIONS
MIN
TYP
0.001
3
MAX
0.01
10
UNITS
%
l
l
Gain Error
A
A
V
= 1
= 1
V
V
Gain Nonlinearity
ppm
µV
Input Offset Voltage (Note 2)
Average Input Offset Drift (Note 2)
= 200mV
–5
10
CM
l
l
T = –40°C to 85°C
50
–2.5
nV/°C
µV/°C
A
T = 85°C to 125°C
–1
4
A
l
l
Average Input Bias Current (Note 3)
Average Input Offset Current (Note 3)
V
CM
V
CM
= 1.2V
= 1.2V
10
3
nA
nA
1
l
l
l
l
l
l
l
Common Mode Rejection Ratio
(Notes 4, 5)
A
A
A
A
A
A
A
= 1, V = 0V to 5V, LTC2053C
105
100
105
100
95
100
85
116
116
116
116
116
dB
dB
dB
dB
dB
dB
dB
V
V
V
V
V
V
V
CM
= 1, V = 0V to 5V, LTC2053C-SYNC
CM
= 1, V = 0.1V to 4.9V, LTC2053I
CM
= 1, V = 0.1V to 4.9V, LTC2053I-SYNC
CM
= 1, V = 0V to 5V, LTC2053I, LTC2053I-SYNC
CM
= 1, V = 0.1V to 4.9V, LTC2053H
CM
= 1, V = 0V to 5V, LTC2053H
CM
l
Power Supply Rejection Ratio (Note 6)
V = 2.7V to 6V
S
110
116
dB
2053syncfd
3
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
elecTrical characTerisTics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. V+ = 5V, V– = 0V, REF = 200mV. Output voltage swing is referenced to
V–. All other specifications reference the OUT pin to the REF pin.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
–
l
l
Output Voltage Swing High
R = 2k to V
L
4.85
4.95
4.94
4.98
V
V
L
–
R = 10k to V
l
l
Output Voltage Swing Low
Supply Current
20
1.1
10
mV
mA
µA
No Load
0.85
Supply Current, Shutdown
EN/CLK Pin Input Low Voltage, V
V
EN
≥ 4.5V, LTC2053 Only
0.5
V
IL
EN/CLK Pin Input High Voltage, V
EN/CLK Pin Input Current
Internal Op Amp Gain Bandwidth
Slew Rate
4.5
V
IH
–
V
= V
–1
200
0.2
3
–10
µA
EN/CLK
kHz
V/µs
kHz
Internal Sampling Frequency
The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
V+ = 5V, V– = –5V, REF = 0V.
PARAMETER
CONDITIONS
MIN
TYP
0.001
3
MAX
0.01
10
UNITS
%
l
l
Gain Error
A
A
V
= 1
= 1
V
V
Gain Nonlinearity
ppm
µV
Input Offset Voltage (Note 2)
Average Input Offset Drift (Note 2)
= 0V
10
20
CM
l
l
T = –40°C to 85°C
50
–2.5
nV/°C
µV/°C
A
T = 85°C to 125°C
–1
4
A
l
l
Average Input Bias Current (Note 3)
Average Input Offset Current (Note 3)
V
CM
V
CM
= 1V
= 1V
10
3
nA
nA
1
l
l
l
l
l
l
l
Common Mode Rejection Ratio
(Notes 4, 5)
A
A
A
A
A
A
A
= 1, V = –5V to 5V, LTC2053C
105
100
105
100
95
100
90
118
118
118
118
118
dB
dB
dB
dB
dB
dB
dB
V
V
V
V
V
V
V
CM
= 1, V = –5V to 5V, LTC2053C-SYNC
CM
= 1, V = –4.9V to 4.9V, LTC2053I
CM
= 1, V = –4.9V to 4.9V, LTC2053I-SYNC
CM
= 1, V = –5V to 5V, LTC2053I, LTC2053I-SYNC
CM
= 1, V = –4.9V to 4.9V, LTC2053H
CM
= 1, V = –5V to 5V, LTC2053H
CM
l
Power Supply Rejection Ratio (Note 6)
Maximum Output Voltage Swing
V = 2.7V to 11V
110
116
dB
S
l
l
l
R = 2k to GND, C- and I-Grades
4.5
4.6
4.4
4.8
4.9
4.8
V
V
V
L
R = 10k to GND, All Grades
L
R = 2k to GND, LTC2053H Only
L
l
Supply Current
No Load
0.95
1.3
20
mA
µA
V
Supply Current, Shutdown
V
EN
≥ 4.5V, LTC2053 Only
EN Pin Input Low Voltage, V
–4.5
0.5
IL
CLK Pin Input Low Voltage, V
V
IL
EN/CLK Pin Input High Voltage, V
EN/CLK Pin Input Current
Internal Op Amp Gain Bandwidth
Slew Rate
4.5
V
IH
–
V
= V
–3
200
0.2
3
–20
µA
kHz
V/µs
kHz
EN/CLK
Internal Sampling Frequency
2053syncfd
4
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
elecTrical characTerisTics
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 4: The CMRR with a voltage gain, A , larger than 10 is 120dB (typ).
V
Note 5: At temperatures above 70°C, the common mode rejection ratio
lowers when the common mode input voltage is within 100mV of the
supply rails.
Note 2: These parameters are guaranteed by design. Thermocouple effects
preclude measurement of these voltage levels in high speed automatic
Note 6: The power supply rejection ratio (PSRR) measurement accuracy
depends on the proximity of the power supply bypass capacitor to the
device under test. Because of this, the PSRR is 100% tested to relaxed
limits at final test. However, their values are guaranteed by design to meet
the data sheet limits.
test systems. V is measured to a limit determined by test equipment
OS
capability.
Note 3: If the total source resistance is less than 10k, no DC errors result
from the input bias currents or the mismatch of the input bias currents or
the mismatch of the resistances connected to –IN and +IN.
Typical perForMance characTerisTics
Input Offset Voltage vs Input
Common Mode Voltage
Input Offset Voltage vs Input
Common Mode Voltage
Input Offset Voltage vs Input
Common Mode Voltage
20
15
15
10
5
15
10
5
V
V
T
=
REF
= 25°C
5V
V
V
T
= 3V
REF
= 25°C
V
V
T
= 5V
S
S
S
= 0V
= 0V
= 0V
REF
= 25°C
A
A
A
10
G = 1000
G = 10
G = 1000
5
G = 1
0
0
0
G = 1000
G = 10
G = 100
G = 100
G = 1
–5
G = 100
G = 1
–5
–10
–15
–5
–10
–15
–10
–15
–20
G = 10
–5
–1
1
3
5
–3
0
1.0
1.5
2.0
2.5
3.0
0
2
3
4
5
0.5
1
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
2053 G02
2053 G03
2053 G01
Input Offset Voltage vs Input
Common Mode Voltage
Input Offset Voltage vs Input
Common Mode Voltage
Input Offset Voltage vs Input
Common Mode Voltage
20
15
20
15
20
15
V
V
= 3V
REF
V
V
= 5V
S
= 0V
REF
V
V
=
REF
5V
= 0V
S
S
= 0V
G = 10
G = 10
G = 10
10
10
10
T
= 25°C
A
T
= 85°C
= 25°C
5
5
A
5
T
= 70°C
T
= 85°C
A
A
0
0
0
T
= 85°C
T
= 70°C
A
A
–5
–5
–5
T
T
= 25°C
1.0
A
A
–10
–15
–20
–10
–15
–20
–10
–15
–20
T
= –55°C
3
T
= 70°C
2.5
A
A
T
= –55°C
4
A
T
= –55°C
A
0
1.5
2.0
3.0
0
1
2
3
5
0.5
–5
–1
1
5
–3
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
2053 G04
2053 G05
2053 G06
2053syncfd
5
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
Typical perForMance characTerisTics
Input Offset Voltage vs Input
Common Mode Voltage
Input Offset Voltage vs Input
Common Mode Voltage
Input Offset Voltage vs Input
Common Mode Voltage
60
40
100
80
60
40
H-GRADE PARTS
H-GRADE PARTS
H-GRADE PARTS
V
V
= 5V
REF
G = 10
V
V
= 3V
REF
G = 10
S
V
V
=
5V
S
S
= 0V
= 0V
= 0V
REF
G = 10
60
40
20
20
20
T
= 85°C
A
0
0
0
T
= 85°C
T
= 25°C
A
T
= 85°C
A
A
–20
–40
–60
–80
–100
T
= 25°C
A
T
= 25°C
A
–20
–40
–60
–20
–40
–60
T
= 125°C
A
T
= 125°C
2
A
T
= 125°C
1
A
0
3
4
5
1
–5
–1
3
5
–3
0
1.0
1.5
2.0
2.5
3.0
0.5
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
2053 G08
2053 G07
2053 G09
Error Due to Input RS vs Input
Common Mode (CIN < 100pF)
Error Due to Input RS vs Input
Common Mode (CIN < 100pF)
Error Due to Input RS vs Input
Common Mode (CIN < 100pF)
30
20
60
40
25
20
V
REF
= 5V
S
V
V
R
C
=
REF
5V
V
V
R
C
= 3V
S
S
R
= 20k
V
= 0V
= 0V
= 0V
S
REF
+
–
+
–
+
–
R
S
= 20k
R
C
= R = R
= R = R
= R = R
S
S
S
15
< 100pF
IN
< 100pF
< 100pF
IN
IN
G = 10
T = 25°C
A
G = 10
= 25°C
G = 10
= 25°C
10
R
S
= 15k
= 10k
R
= 15k
10
20
S
T
T
R
S
= 5k
A
A
5
R
S
= 10k
R
S
= 0k
0
0
0
R
S
= 5k
R
S
R
S
= 10k
–5
–10
–20
–30
–20
–40
–60
R
= 15k
–10
–15
–20
–25
R
S
S
+
–
R
S
= 20k
SMALL C
IN
R
S
–5
–1
1
3
5
0
2
3
4
5
–3
1
0
1.0
1.5
2.0
2.5
3.0
0.5
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
2053 G11
2053 G12
2053 G10
Error Due to Input RS Mismatch vs
Input Common Mode (CIN < 100pF)
Error Due to Input RS Mismatch vs
Input Common Mode (CIN < 100pF)
Error Due to Input RS Mismatch vs
Input Common Mode (CIN < 100pF)
40
30
40
30
50
40
+
–
V
V
C
=
REF
5V
V
V
C
= 5V
REF
V
V
C
= 3V
S
R
= 0k, R = 20k
IN
S
S
IN
+
–
= 0V
= 0V
= 0V
R
= 0k, R = 20k
REF
+
–
R
–
= 0k, R = 15k
< 100pF
< 100pF
< 100pF
IN
IN
IN
30
G = 10
+
–
G = 10
G = 10
= 25°C
20
R
IN
= 0k, R = 15k
IN
20
T
= 25°C
T
= 25°C
T
A
A
A
20
+
+
–
R
= 0k, R = 10k
–
R
= 0k, R = 15k
+
–
10
10
R
IN
= 0k, R = 10k
IN
+
10
R
+
= 0k, R = 5k
0
0
0
+
–
–
–10
–20
–30
–40
–50
R
IN
= 10k, R = 0k
+
–
R
+
= 5k, R = 0k
= 10k, R = 0k
IN
–10
–20
–30
–40
–10
–20
–30
–40
R
= 15k, R = 0k
+
–
R
R
+
–
R
IN
= 15k, R = 0k
IN
+
–
+
–
R
= 20k, R = 0k
SMALL C
IN
+
–
–
R
IN
= 20k, R = 0k
IN
+
–
R
R
= 15k, R = 0k
2.0 2.5
–5
–1
1
3
5
–3
0
2
3
4
5
0
1.0
1.5
3.0
1
0.5
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
2053 G15
2053 G14
2053 G13
2053syncfd
6
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
Typical perForMance characTerisTics
Error Due to Input RS vs Input
Common Mode (CIN > 1µF)
Error Due to Input RS vs Input
Common Mode (CIN > 1µF)
Error Due to Input RS vs Input
Common Mode (CIN > 1µF)
40
30
80
60
70
50
V
V
R
C
= 3V
V
V
R
C
= 5V
V
V
=
REF
= R = R
> 1µF
5V
S
S
S
R
S
= 10k
R
S
= 10k
= 0V
= 0V
= 0V
REF
REF
+
–
+
–
+
–
R
= 15k
= R = R
= R = R
S
R
C
S
S
S
> 1µF
> 1µF
IN
IN
IN
20
40
R
S
= 5k
R
S
= 5k
G = 10
G = 10
G = 10
30
T
= 25°C
T
= 25°C
T
= 25°C
A
A
A
R
= 10k
10
20
S
R
S
= 1k
R
S
= 1k
10
S
0
0
R
= 5k
S
R
S
= 500Ω
R
= 500Ω
–10
–30
–50
–70
–10
–20
–30
–40
–20
–40
–60
–80
R
S
+
–
BIG C
IN
R
S
0
1.0
1.5
2.0
2.5
3.0
–5
–1
1
3
5
0.5
–3
0
2
3
4
5
1
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
2053 G16
2053 G18
2053 G17
Error Due to Input RS Mismatch
vs Input Common Mode (CIN >1µF)
Error Due to Input RS Mismatch
vs Input Common Mode (CIN >1µF)
Error Due to Input RS Mismatch
vs Input Common Mode (CIN >1µF)
200
150
100
50
200
150
100
50
150
100
50
V
V
T
= 3V
REF
= 25°C
V
V
T
= 5V
REF
= 25°C
S
V
V
T
=
REF
= 25°C
A
5V
S
S
= 0V
+
–
= 0V
= 0V
R
= 0k, R = 1k
+
–
+
–
A
R
–
= 0k, R = 1k
A
R
= 0k, R = 1k
+
–
+
+
–
R
= 0k, R = 500Ω
R
= 0k, R = 500Ω
–
R
= 0k, R = 500Ω
–
+
–
+
R
= 0k, R = 100Ω
+
R
= 0k, R = 100Ω
R
= 0k, R = 100Ω
0
0
0
+
–
R
= 100Ω, R = 0k
+
–
+
–
–50
–100
–150
–200
R = 100Ω, R = 0k
50
R
= 100Ω, R = 0k
+
–
+
R
= 500Ω, R = 0k
–50
–100
–150
R
+
–
R
= 500Ω, R = 0k
+
–
R
= 500Ω, R = 0k
+
–100
–150
–200
BIG C
+
–
IN
+
–
+
–
R
= 1k, R = 0k
R
= 1k, R = 0k
R
= 1k, R = 0k
–
–
R
0
1.0
1.5
2.0
2.5
3.0
0.5
0
2
3
4
5
–5
–3
–1
1
3
5
1
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
INPUT COMMON MODE VOLTAGE (V)
2053 G20
2053 G21
2053 G19
Offset Voltage vs Temperature
V
OS vs REF (Pin 5)
VOS vs REF (Pin 5)
80
60
60
40
30
20
+
–
= V = REF
IN
+
–
= V = REF
IN
V
V
IN
IN
G = 10
= 25°C
G = 10
= 25°C
T
A
T
A
40
V
= 5V
20
10
S
20
V
=
5V
S
0
0
0
V
= 5V
V
= 3V
V
= 10V
S
S
S
V
= 3V
–20
–40
–60
–80
S
–20
–40
–60
–10
–20
–30
–25
0
25
50
75
125
0
2
3
4
0
1
2
3
5
7
8
9
–50
100
4
6
1
V
(V)
V
(V)
TEMPERATURE (°C)
REF
REF
2053 G24
2053 G23
2053 G22
2053syncfd
7
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
Typical perForMance characTerisTics
Gain Nonlinearity, G = 1
Gain Nonlinearity, G = 10
CMRR vs Frequency
10
8
10
8
130
120
110
100
90
V
V
=
2.5V
= 0V
V
V
= 3V, 5V, 5V
V
V
=
2.5V
= 0V
S
S
S
= 1V
REF
G = 1
= 10k
= 25°C
IN
P-P
REF
G = 10
= 10k
= 25°C
6
6
+
–
R
= R = 1k
R
T
R
T
L
L
4
4
A
A
2
2
+
–
R
= R = 10k
0
0
+
–
–2
–4
–6
–8
–10
–2
–4
–6
–8
–10
R
= 10k, R = 0k
+
R
+
80
–
+
–
R
= 0k, R = 10k
–
R
70
–2.4
–0.4
0.6 1.1
–2.4
–0.4
0.6
–1.9 –1.4 –0.9
0.1
1.6
–1.4
1.6
2.6
1
10
100
1000
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
FREQUENCY (Hz)
2053 G26
2053 G25
2053 G27
Input Voltage Noise Density
vs Frequency
Input Referred Noise in
10Hz Bandwidth
Input Referred Noise in
10Hz Bandwidth
300
250
200
150
100
50
3
2
3
2
G = 10
V
= 3V
= 25°C
V
= 5V
= 25°C
S
A
S
A
T
= 25°C
A
T
T
V
= 5V
S
1
1
V
= 5V
= 3V
S
0
0
V
S
–1
–2
–3
–1
–2
–3
0
1
10
100
FREQUENCY (Hz)
1000
10000
0
2
4
6
8
10
0
2
4
6
8
10
TIME (s)
TIME (s)
2053 G28
2053 G29
2053 G30
Output Voltage Swing
vs Output Current
Output Voltage Swing
vs Output Current
5
4
3
2
1
0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
T
= 25°C
V
=
5V
V
= 5V, SOURCING
A
SOURCING
S
A
S
T
= 25°C
V
= 3V, SOURCING
S
–1
–2
–3
–4
–5
V
= 3V, SINKING
S
V
= 5V, SINKING
S
SINKING
0.01
1
10
0.01
1
10
0.1
0.1
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
2053 G32
2053 G31
2053syncfd
8
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
Typical perForMance characTerisTics
Low Gain Settling Time
vs Settling Accuracy
Supply Current vs Supply Voltage
8
7
6
5
4
3
2
1
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
V
= 5V
OUT
S
dV
= 1V
G < 100
= 25°C
T
= 125°C
A
T
A
T
= 85°C
A
T
= 0°C
A
T
= –55°C
A
0
0.01
SETTLING ACCURACY (%)
0.0001
0.001
0.1
6.5
SUPPLY VOLTAGE (V)
2.5
4.5
8.5
10.5
2053 G34
2053 G33
Internal Clock Frequency
vs Supply Voltage
Settling Time vs Gain
35
30
25
20
15
10
5
3.40
3.35
3.30
3.25
3.20
3.15
3.10
V
= 5V
OUT
S
dV
= 1V
0.1% ACCURACY
= 25°C
T
A
T
= 125°C
A
T
= 85°C
A
T
= –55°C
T
= 25°C
4.5
A
A
0
6.5
SUPPLY VOLTAGE (V)
2.5
8.5
10.5
1
10
100
1000
10000
GAIN (V/V)
2053 G35
2053 G36
pin FuncTions
EN (Pin 1, LTC2053 Only): Active Low Enable Pin.
REF(Pin5):VoltageReference(V )forAmplifierOutput.
REF
CLK (Pin 1, LTC2053-SYNC Only): Clock input for Syn-
chronizing to External System Clock.
RG (Pin 6): Inverting Input of Internal Op Amp. See
Figure 1.
–IN (Pin 2): Inverting Input.
OUT (Pin 7): Amplifier Output. See Figure 1.
+
+IN (Pin 3): Noninverting Input.
V (Pin 8): Positive Supply.
–
V (Pin 4): Negative Supply.
2053syncfd
9
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
block DiagraM
8
+
V
ZERO-DRIFT
OP AMP
+IN
3
+
–
OUT
C
C
7
S
H
–IN
2
–
REF
RG
V
EN/CLK*
5
6
4
1
2053 BD
*NOTE: PIN 1 IS EN ON THE LTC2053 AND CLK ON THE LTC2053-SYNC
applicaTions inForMaTion
Theory of Operation
5 Volt Operation
The LTC2053 uses an internal capacitor (C ) to sample
When using the LTC2053 with supplies over 5.5V, care
must be taken to limit the maximum difference between
any of the input pins (+IN or –IN) and the REF pin to 5.5V;
ifnot,thedevicewillbedamaged.Forexample,ifrail-to-rail
input operation is desired when the supplies are at 5V,
the REF pin should be 0V, 0.5V. As a second example,
S
a differential input signal riding on a DC common mode
voltage(seetheBlockDiagram).Thiscapacitor’schargeis
transferred to a second internal hold capacitor (C ) trans-
H
lating the common mode of the input differential signal to
that of the REF pin. The resulting signal is amplified by a
zero-drift op amp in the noninverting configuration. The
RG pin is the negative input of this op amp and allows
external programmability of the DC gain. Simple filtering
can be realized by using an external capacitor across the
feedback resistor.
+
–
if V is 10V and V and REF are at 0V, the inputs should
not exceed 5.5V.
Settling Time
The sampling rate is 3kHz and the input sampling period
during which C is charged to the input differential voltage
S
Input Voltage Range
V
is approximately 150µs. First assume that on each
IN
The input common mode voltage range of the LTC2053
is rail-to-rail. However, the following equation limits the
size of the differential input voltage:
input sampling period, C is charged fully to V . Since
S IN
C = C (= 1000pF), a change in the input will settle to
S
H
N bits of accuracy at the op amp noninverting input after
N clock cycles or 333µs(N). The settling time at the OUT
pin is also affected by the settling of the internal op amp.
Sincethegainbandwidthoftheinternalopampistypically
200kHz, the settling time is dominated by the switched
capacitor front end for gains below 100 (see the Typical
Performance Characteristics section).
–
+
V ≤ (V – V ) + V ≤ V – 1.3
+
–
IN
IN
REF
Where V and V are the voltages of the +IN and –IN
+
–
IN
IN
pins, respectively, V
is the voltage at the REF pin and
REF
+
V is the positive supply voltage.
For example, with a 3V single supply and a 0V to 100mV
differential input voltage, V
1.6V.
must be between 0V and
REF
2053syncfd
10
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
applicaTions inForMaTion
SINGLE SUPPLY, UNITY GAIN
SINGLE SUPPLY, UNITY GAIN
DUAL SUPPLY, NONUNITY GAIN
5V
DUAL SUPPLY, NONUNITY GAIN
5V
8
5V
8
5V
8
8
3
3
3
2
3
V
V
+
V
V
+
V
V
+
V
V
+
+IN
+IN
+IN
+IN
+
+
+
+
7
7
7
7
V
V
V
V
OUT
V
V
V
V
IN
OUT
OUT
OUT
IN
IN
IN
6
6
6
6
2
2
2
R2
R2
–
–
–
–
–
–
–
–
5
5
5
5
–IN
–IN
–IN
–IN
4
4
4
4
R1
R1
–5V
–5V
V
V
REF
REF
V
REF
0V < V < 5V
0V < V < 5V AND V – V < 5.5V
–5V < V < 5V AND V – V < 5.5V –5V < V < 5V AND V – V < 5.5V
–IN –IN REF –IN –IN REF
+IN
–IN
–IN
REF
0V < V < 5V
0V < V < 5V AND V – V < 5.5V
–5V < V < 5V AND V – V < 5.5V –5V < V < 5V AND V – V < 5.5V
–IN
+IN
+IN
REF
+IN +IN REF +IN +IN REF
0V < V < 3.7V
0V < V + V
< 3.7V
–5V < V + V
< 3.7V
–5V < V + V
< 3.7V
REF
IN
IN
REF
IN
REF
IN
V
= V
OUT
IN
R2
R1
R2
R1
V
= V + V
IN
V
= 1 +
V
+ V
V
= 1 +
(V + V
IN
)
REF
OUT
REF
OUT
IN
REF
OUT
(
)
(
)
2053 F01
Figure 1
Input Current
Whenever the differential input V changes, C must be
Power Supply Bypassing
TheLTC2053usesasampleddatatechniqueand,therefore,
contains some clocked digital circuitry. It is, therefore,
sensitive to supply bypassing. For single or dual supply
operation, a 0.1µF ceramic capacitor must be connected
IN
H
charged up to the new input voltage via C . This results
S
in an input charging current during each input sampling
period. Eventually, C and C will reach V and, ideally,
H
S
IN
+
–
between Pin 8 (V ) and Pin 4 (V ) with leads as short as
possible.
the input current would go to zero for DC inputs.
In reality, there are additional parasitic capacitors which
disturb the charge on C every cycle even if V is a DC
voltage. For example, the parasitic bottom plate capacitor
S
IN
Synchronizing to an External Clock
(LTC2053-SYNC Only)
on C must be charged from the voltage on the REF pin
S
TheLTC2053hasaninternallygeneratedsampleclockthat
istypically3kHz.ThereisnoneedtoprovidetheLTC2053
with a clock. However, in some applications, it may be
desirable for the user to control the sampling frequency
more precisely to avoid undesirable aliasing. This can be
done with the LTC2053-SYNC. This device uses Pin 1 as a
clock input whereas the LTC2053 uses Pin 1 as an enable
pin. If CLK (Pin 1) is left floating on the LTC2053-SYNC,
the device will run on its internal oscillator, similar to the
LTC2053. However, if not externally synchronizing to a
system clock, it is recommended that the LTC2053 be
usedinsteadoftheLTC2053-SYNCbecausetheLTC2053-
SYNC is sensitive to parasitic capacitance on the CLK pin
whenleftfloating.ClockingtheLTC2053-SYNCisaccom-
plished by driving the CLK pin at 8 times the desired
sample clock frequency. This completely disables the
internal clock. For example, to achieve the nominal
LTC2053 sample clock rate of 3kHz, a 24kHz exter-
to the voltage on the –IN pin every cycle. The resulting
input charging current decays exponentially during each
input sampling period with a time constant equal to R C .
S S
If the voltage disturbance due to these currents settles
before the end of the sampling period, there will be no
errors due to source resistance or the source resistance
mismatch between –IN and +IN. With R less than 10k,
S
no DC errors occur due to this input current.
In the Typical Performance Characteristics section of this
data sheet, there are curves showing the additional error
from non-zero source resistance in the inputs. If there
are no large capacitors across the inputs, the amplifier is
less sensitive to source resistance and source resistance
mismatch. When large capacitors are placed across the
inputs, the input charging currents previously described
result in larger DC errors, especially with source resistor
mismatches.
nal clock should be applied to the CLK pin of the
2053syncfd
11
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
applicaTions inForMaTion
LTC2053-SYNC. If a square wave is used to drive the CLK
pin, a 5µs RC time constant should be placed in front of
the CLK pin to maintain low offset voltage performance
(see Figure 2). This avoids internal and external coupling
of the high frequency components of the external clock at
the instant the LTC2053-SYNC holds the sampled input.
The LTC2053-SYNC is tested with a sample clock of 3kHz
CLK
(f = 24kHz) to the same specifications as the LTC2053.
In addition, the LTC2053-SYNC is tested at one-half and
2x this frequency to verify proper operation. The curves
in the Typical Performance Characteristics section of this
data sheet apply to the LTC2053-SYNC when driving it
with a 24kHz clock at Pin 1 (f
= 24kHz, 3kHz sample
CLK
1k
clock rate). Below are three curves that show the behavior
of the LTC2053-SYNC as the clock frequency is varied.
The offset is essentially unaffected over a 2:1 increase or
decrease of the typical LTC2053 sample clock speed. The
bias current is directly proportional to the clock speed.
The noise is roughly proportional to the square root of
the clock frequency. For optimum noise and bias current
performance, drive the LTC2053-SYNC with a nominal
24kHz external clock (3kHz sample clock).
EXTERNAL
CLOCK
5V
8
4.7nF
0V
3
2
5V
1
V
V
+
+IN
–IN
+
7
CLK
V
V
OUT
D
6
R2
–
–
5
4
LTC2053-SYNC
R1
2053 F02
Figure 2. Driving the CLK Input of the LTC2053-SYNC
14
20
15
12
V
V
V
= 5V
S
V
= 5V
S
A
= 0
REF
CM
T
= 25°C
12
10
8
= 1V
10
8
NOISE IN 10Hz BANDWIDTH
V
= 5V
S
10
5
TYP LTC2053
SAMPLE FREQUENCY
0
6
V
= 5V
= 3V
S
S
6
–5
V
4
4
–10
–15
–20
TYP LTC2053
TYP LTC2053
SAMPLE FREQUENCY
SAMPLE FREQUENCY
2
2
0
0
0
4000
6000
8000 10000
0
4000
6000
8000 10000
2000
0
4000
6000
8000 10000
2000
2000
SAMPLE FREQUENCY (Hz) (= F /8)
SAMPLE FREQUENCY (Hz) (= F /8)
CLK
SAMPLE FREQUENCY (F /8)
CLK
CLK
2053 F03
2053 F05
2053 F04
Figure 3. LTC2053-SYNC Input
Offset vs Sample Frequency
Figure 4. LTC2053-SYNC Average Input
Bias Current vs Sample Frequency
Figure 5. LTC2053-SYNC Input Referred
Noise vs Sample Frequency
2053syncfd
12
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
Typical applicaTions
Precision ÷2
(Low Noise 2.5V Reference)
Precision Current Source
0.1µF
8V
5V
8
2
8
1
3
2
4
–
8
5
LT1027–5
2
+
7
LTC2053
7
R
RG
2.5V
(110nV/√Hz)
LTC2053
REF
+
3
6
1µF
0.1µF
V
6
OUT
i
5
EN
–
4
4
1
1
2.7k
1k
LOAD
V
R
C
i = — , i ≤ 5mA
0.1µF
10k
2053 TA03
0 < V
< (5V – V )
V
OUT C
C
0.1µF
2053 TA02
Precision Doubler
(General Purpose)
Precision Inversion
(General Purpose)
5V
5V
0.1µF
0.1µF
3
3
8
8
V
IN
+
+
7
7
LTC2053
V
LTC2053
V
OUT
OUT
2
6
2
6
–
5
–
V
5
IN
1
4
4
1
V
= 2V
OUT
IN
0.1µF
V
= –V
OUT IN
0.1µF
0.1µF
–5V
2053 TA04
2053 TA05
–5V
2053syncfd
13
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
Typical applicaTions
Differential Thermocouple Amplifier
5V
0.1µF
10M
10M
1M 1M
8
+
10k
10k
0°C → 500°C
TYPE K
THERMOCOUPLE
(40.6µV/°C)
3
2
1
YELLOW
ORANGE
+
–
7
LTC2053
–
10mV/°C
RG
REF
5
6
249k
1%
0.001µF
0.001µF
5V
EN
0.1µF
4
100Ω
THERMAL
COUPLING
1k
1%
0.1µF
5V
2
4
6
–
SCALE FACTOR
TRIM
1
LTC2050
LT1025
3
3
V
+
O
2
–
R
200k
4
5
2053 TA06
High Side Power Supply Current Sense
I
0.0015Ω
LOAD
V
REG
0.1µF
LOAD
2
3
8
–
OUT
7
100mV/A
OF LOAD
CURRENT
LTC2053
10k
6
+
5
0.1µF
1, 4
150Ω
2053 TA07
2053syncfd
14
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
package DescripTion
Please refer to http://www.linear.com/product/LTC2053#packaging for the most recent package drawings.
DD Package
8-Lead Plastic DFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1698 Rev C)
0.70 ±0.05
3.5 ±0.05
2.10 ±0.05 (2 SIDES)
1.65 ±0.05
PACKAGE
OUTLINE
0.25 ± 0.05
0.50
BSC
2.38 ±0.05
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
R = 0.125
0.40 ± 0.10
TYP
5
8
3.00 ±0.10
(4 SIDES)
1.65 ± 0.10
(2 SIDES)
PIN 1
TOP MARK
(NOTE 6)
(DD8) DFN 0509 REV C
4
1
0.25 ± 0.05
0.75 ±0.05
0.200 REF
0.50 BSC
2.38 ±0.10
BOTTOM VIEW—EXPOSED PAD
0.00 – 0.05
NOTE:
1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-1)
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON TOP AND BOTTOM OF PACKAGE
2053syncfd
15
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
package DescripTion
Please refer to http://www.linear.com/product/LTC2053#packaging for the most recent package drawings.
MS8 Package
8-Lead Plastic MSOP
(Reference LTC DWG # 05-08-1660 Rev G)
0.889 0.127
(.035 .005)
5.10
3.20 – 3.45
(.201)
(.12ꢀ – .13ꢀ)
MIN
3.00 0.102
(.118 .004)
(NOTE 3)
0.52
(.0205)
REF
0.ꢀ5
(.025ꢀ)
BSC
0.42 0.038
(.01ꢀ5 .0015)
TYP
8
7 ꢀ 5
RECOMMENDED SOLDER PAD LAYOUT
3.00 0.102
(.118 .004)
(NOTE 4)
4.90 0.152
(.193 .00ꢀ)
DETAIL “A”
0.254
(.010)
0° – ꢀ° TYP
GAUGE PLANE
1
2
3
4
0.53 0.152
(.021 .00ꢀ)
1.10
(.043)
MAX
0.8ꢀ
(.034)
REF
DETAIL “A”
0.18
(.007)
SEATING
PLANE
0.22 – 0.38
0.101ꢀ 0.0508
(.009 – .015)
(.004 .002)
0.ꢀ5
(.025ꢀ)
BSC
TYP
MSOP (MS8) 0213 REV G
NOTE:
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.00ꢀ") PER SIDE
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.00ꢀ") PER SIDE
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
2053syncfd
16
For more information www.linear.com/LTC2053
LTC2053/LTC2053-SYNC
revision hisTory (Revision history begins at Rev C)
REV
DATE
DESCRIPTION
PAGE NUMBER
C
7/10
Corrected text in the Absolute Maximum Ratings section
Updated Pin 6 and Pin 7 text in the Pin Functions section
Replaced Figure 1
2
9
11
12
D
12/15 Corrected title for Figure 2
2053syncfd
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
17
LTC2053/LTC2053-SYNC
Typical applicaTion
Linearized Platinum RTD Amplifier
5V
0.1µF
*CONFORMING TO IEC751 OR DIN43760
–3
–7 2
R
= R (1 + 3.908 • 10 T – 5.775 • 10 T ꢀ, R = 100Ω
O O
T
2
8
(e.g., 100Ω AT 0°C, 175.9Ω AT 200°C, 247.1Ω AT 400°Cꢀ
–
+
7
1.21k
3
LTC2053
6
0.1µF
5
4
1
5V
2.7k
16.9k
10k
i ≈ 1mA
5V
8
0.1µF
LT1634-1.25
249k
2
–
49.9Ω
10mV/°C
0°C – 400°C
( 0.1°Cꢀ
7
6
LTC2053
3
1M
11k
+
16.2k
5
0.1µF
10k
4
1
PT100*
3-WIRE RTD
CW
LINEARITY
100Ω
953Ω
ZERO
39.2k
CW
0.1µF
24.9k
GAIN
CW
5k
2053 TA08
relaTeD parTs
PART NUMBER
DESCRIPTION
COMMENTS
LT®1167
Single Resistor Gain-Programmable, Precision
Instrumentation Amplifier
Single-Gain Set Resistor: G = 1 to 10,000, Low Noise: 7.5nV√Hz
LTC2050/LTC2051 Zero-Drift Single/Dual Operation Amplifier
LTC2054/LTC2055 Zero-Drift µPower Operational Amplifier
SOT-23 and MS8 Packages
SOT-23 and MS8 Packages, 150µA/Op Amp
LTC6800
Single-Supply, Zero-Drift, Rail-to-Rail Input and Output
Instrumentation Amplifier
MS8 Package, 100µV Max V , 250nV/°C Max Drift
OS
2053syncfd
LT 1215 REV D • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
18
●
●
LINEAR TECHNOLOGY CORPORATION 2010
(408)432-1900 FAX: (408) 434-0507 www.linear.com/LTC2053
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