LT1017CSW [Linear]
Micropower Dual Comparator; 微功耗双路比较器型号: | LT1017CSW |
厂家: | Linear |
描述: | Micropower Dual Comparator |
文件: | 总16页 (文件大小:220K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
LT1017/LT1018
Micropower
Dual Comparator
FEATURES
DESCRIPTION
The LT®1017/LT1018 are general purpose micropower
comparators. The LT1017 is optimized for lowest operat-
ing power while the LT1018 operates at higher power and
higher speed. Both devices can operate from a single 1.1V
cell up to 40V. The output stage includes a class “B” pull-
up current source, eliminating the need for an external
resistive pull-up and saving power. The output stage is
also designed to allow driving loads connected to a supply
more positive than the device, as can comparators with
open-collector output stages.
n
Maximum Offset Voltage: 1mV
Maximum Bias Current: 15nA
Typical Output Drive: 70mA
Operates from 1.1V to 40V
Internal Pull-Up Current
Output Can Drive Loads Above V
30μA Supply Current (LT1017)
n
n
n
n
+
n
n
110μA Supply Current (LT1018)
Available in 8-Lead PDIP, 8-Lead Plastic S0, and
16-Lead Plastic SO Packages
n
Input specifications are also excellent. On-chip trimming
minimizes offset voltage, while high gain and common
mode rejection ratio keep other input referred errors low.
Common mode voltage range includes ground. Special
circuitry prevents false output states even if the input is
overdriven.
APPLICATIONS
n
Power Supply Monitors
Relay Driving
Oscillators
n
n
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
The LT1017/LT1018 are pin compatible with older dual
comparators such as 393 type devices.
TYPICAL APPLICATION
1.5V Powered Refrigerator Alarm
Supply Current
160
+
V
LT1018
OUTPUTS
LOW
1.5V
140
120
100
80
665k
1%
3
2
8
+
1
7
665k
1%
52.3k
1%
OUTPUT HIGH FOR
0°C ≤ T ≤ 5°C
LT1018
OUTPUTS
HIGH
1/2 LT1017
–
LT1017
OUTPUTS
LOW
60
40
5
6
LT1017
OUTPUTS
HIGH
+
20
1/2 LT1017
YSI 44011
258.3k AT 5°C
333.1k AT 0°C
0
–
1
2
4
10
20
40
100
4
TOTAL SUPPLY VOLTAGE (V)
280k
1%
1017/18 TA02
1017/18 TA01
10178ff
1
LT1017/LT1018
(Note 1)
ABSOLUTE MAXIMUM RATINGS
Supply Voltage......................................................... 40V
Differential Input Voltage.......................................... 40V
Input Voltage............................................. –0.3V to 40V
Short-Circuit Duration .................................... Indefinite
Storage Temperature Range.................. –65°C to 150°C
Operating Temperature Range
LT1017M/LT1018M......................... –55°C to 125°C
LT1017C/LT1018C................................. 0°C to 70°C
LT1017I/LT1018I............................... –40°C to 85°C
Lead Temperature (Soldering, 10 sec) ................. 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
+
TOP VIEW
OUTPUT A
–IN A
1
2
3
4
V
8
7
6
5
+IN A
1
2
3
4
8
7
6
5
–IN A
–
A
+
–
OUTPUT B
–IN B
+IN B
V
OUT A
–
A
+
+
+IN A
+IN B
–IN B
V
–
+
B
–
B
+
–
V
OUT B
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
= 150°C, θ = 190°C/W
T
T
= 150°C, θ = 140°C/W
JA
JMAX
JA
JMAX
ORDER PART NUMBER
S8 PART MARKING
ORDER PART NUMBER
PART MARKING
LT1017CS8
LT1017IS8
LT1018CS8
LT1018IS8
1017
1017I
1018
1018I
LT1017CN8
LT1017IN8
LT1018CN8
TOP VIEW
TOP VIEW
+
V
NC
NC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
NC
NC
8
OUTPUT B
7
OUTPUT A
–IN A
+IN A
1
+
OUT A
–IN A
+IN A
V
A
B
2
6
–IN B
+ +
4
–
–
5
OUT B
–IN B
+IN B
NC
–
A
+
+IN B
–
3
B
+
–
V
–
V
NC
NC
H PACKAGE
8-LEAD TO-5 METAL CAN
= 150°C, θ = 150°C/W, θ = 45°C/W
NC
T
JMAX
JA
JC
SW PACKAGE
16-LEAD PLASTIC SO
= 150°C, θ = 130°C/W
OBSOLETE PACKAGE
Consider the 8-Lead Plastic Dip Package For Alternate Source
T
JMAX
JA
ORDER PART NUMBER
PART MARKING
ORDER PART NUMBER
PART MARKING
LT1017MH
LT1017CH
LT1018MH
LT1018CH
LT1017CSW
LT1018CSW
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
*The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for parts specified with wider operating temperature ranges.
10178ff
2
LT1017/LT1018
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range of –55°C to 85°C for M grade parts, –40°C to 85°C for I grade parts and 0°C to 70°C for C grade parts.
LT1017
TYP
LT1018
TYP
PARAMETER
CONDITIONS
0.75V ≤ V ≤ 20V
MIN
MAX
MIN
MAX
UNITS
Offset Voltage
(Note 2)
25°C
●
0.4
0.5
1
1.4
5
0.4
0.5
0.7
1
1.4
1.5
mV
mV
mV
S
125°C
Bias Current
0.75V ≤ V ≤ 20V
25°C
●
5
7
10
15
25
60
15
18
75
100
110
nA
nA
nA
S
125°C
Offset Current
0.75V ≤ V ≤ 20V
25°C
●
0.4
0.5
2
3
20
1
1.6
8
12
20
nA
nA
nA
S
125°C
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Gain
V = 20V, –20V ≤ V ≤ 19.1V
25°C
●
105
100
82
115
115
100
105
100
95
115
115
110
dB
dB
dB
S
CM
125°C
0.75V ≤ V ≤ 20V
25°C
●
96
95
82
110
105
96
95
86
110
105
100
dB
dB
dB
S
125°C
No Load, V
=
19.9V (Note 3)
19V
25°C
●
110
105
115
115
110
105
100
125
120
dB
dB
dB
OUT
125°C 100
R = 4k, V
=
OUT
25°C
●
100
94
110
100
94
110
dB
dB
L
+
–
Output Sink Current
V = 4.5V, V = 0V
Overdrive > 30mV
25°C
●
30
25
10
65
50
20
35
25
10
70
50
30
mA
mA
mA
125°C
+
–
Output Source Current
V = 40V, V = 0V
25°C
●
30
25
25
75
70
75
75
50
50
250
220
200
μA
μA
μA
V
= 5mV, V
= 0.4V
OUT
IN
125°C
+
–
V = 1.2V, V = 0V
25°C
●
25
15
25
35
20
40
70
45
40
140
120
110
μA
μA
μA
V
= 5mV, V
= 0.4V
OUT
IN
125°C
+
–
Negative Output Saturation
I
I
I
I
= 0mA
V = 4.5V, V = 0V
25°C
25°C
25°C
25°C
25°C
5
20
60
120
200
600
5
15
60
120
250
700
mV
mV
mV
mV
mV
OUT
= 0.1mA
= 1mA
V
= –10mV
35
35
IN
60
120
350
60
120
350
= 10mA
= 30mA
+
–
= 0mA
V = 4.5V, V = 0V
●
●
●
●
●
5
20
75
150
300
900
8
20
70
150
300
900
mV
mV
mV
mV
mV
OUT
OUT
OUT
= 0.1mA
= 1mA
V
= –10mV
40
35
IN
75
70
= 10mA
= 30mA
150
600
150
500
+
–
= 0mA
V = 4.5V, V = 0V
125°C
125°C
125°C
125°C
125°C
25
60
100
300
50
10
60
110
300
900
40
mV
mV
mV
mV
mV
= 0.1mA
= 1mA
V
= –10mV
100
200
600
100
200
400
IN
= 10mA
= 30mA
Positive Output Saturation
= 0μA
= 10μA
= 0μA
= 10μA
= 0μA
= 10μA
25°C
25°C
●
40
175
45
190
50
80
250
90
300
100
300
35
175
45
190
50
80
250
90
300
100
300
mV
mV
mV
mV
mV
mV
●
125°C
125°C
10178ff
3
LT1017/LT1018
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range of –55°C to 85°C for M grade parts, –40°C to 85°C for I grade parts and 0°C to 70°C for C grade parts.
LT1017
TYP
LT1018
TYP
PARAMETER
CONDITIONS
V = 5V, V
MIN
MAX
MIN
MAX
UNITS
Leakage Current
= 40V
OUT
25°C
●
0.5
0.6
3
3
5
1
1.8
8
10
15
μA
μA
μA
S
V
≥ 100mV
IN
125°C
Supply Current
V = 5V
S
25°C
●
30
40
60
80
80
110
110
250
250
300
μA
μA
μA
125°C
V = 40V
S
25°C
●
40
55
90
100
100
130
140
250
270
300
μA
μA
μA
125°C
Minimum Operating Voltage
I
= 1mA
25°C
●
1.15
1.15
1.15
1.2
1.2
1.2
V
V
V
OUT
125°C
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 2: Offset voltage is guaranteed over a common mode voltage range
–
+
of V ≤ V ≤ (V – 0.9V).
IN
Note 3: No load gain is guaranteed but not tested (LT1017 only).
10178ff
4
LT1017/LT1018
TYPICAL PERFORMANCE CHARACTERISTICS
Input Bias Current
Input Offset Current
Bias Current vs Differential Input
20
15
10
5
3.0
2.5
2.0
1.5
100
10
1
LT1018 + I
LT1018 – I
B
B
–
LT1018 V = V
CM
+
LT1018 V = V – 1V
CM
–
LT1017 V = V
CM
1.0
0.5
0
LT1017 + I
LT1017 – I
B
B
I
BIAS
LT1018
LT1017
REVERSES
POLARITY
+
LT1017 V = V – 1V
CM
0
50
TEMPERATURE (°C)
100 125
–0.2 –0.1
0.1
–50 –25
0
25
75
–20
0.2
20
–50 –25
0
25 50 75
150
0
100 125
TEMPERATURE (°C)
DIFFERENTIAL INPUT VOLTAGE (V)
1017/18 G02
1017/18 G03
1017/18 G01
Input Bias Current with Inputs
Driven Below the Supply
Common Mode Limits
Supply Current
+
V
160
100
10
–0.4
–0.6
–0.8
–1.0
V
= 20V
SUPPLY
LT1018
OUTPUTS LOW
140
120
100
80
V
HIGH
CM
LT1018
OUTPUTS HIGH
125°C
85°C 25°C
–
1
V
V
LOW
CM
LT1017
–0.2
–0.4
–0.6
–0.8
60
OUTPUTS LOW
0.1
0.01
40
LT1017
OUTPUTS HIGH
20
ΔV = 0.5mV
OS
VOLTAGES ARE REFERRED TO SUPPLIES
0
–
0
0
–50 –25
25 50 75 100 125 150
TEMPERATURE (°C)
1017/18 G05
–50 –25
25 50 75 100 125 150
TEMPERATURE (°C)
0.2
V
–0.2 –0.4 –0.6 –0.8 –1.0
COMMON MODE VOLTAGE (V)
1017/18 G04
1017/18 G06
Positive Supply Current
NPN Output Saturation Voltage
Output Sinking Current Limit
10000
1000
100
1000
100
10
100
80
+
OUTPUT SHORTED TO V
LT1018
LT1017
LT1018
LT1017
60
40
20
0
125°C
25°C
0.01
–55°C
10
0.1
1
10
100
0.1
1
10
100
1
10
100
0.001
OUTPUT SINK CURRENT (mA)
TOTAL SUPPLY VOLTAGE (V)
SINK CURRENT (mA)
1017/18 G07
1017/18 G09
1017/18 G08
10178ff
5
LT1017/LT1018
TYPICAL PERFORMANCE CHARACTERISTICS
Output Sinking Current Limit
Total Switching Time
Output Delay
100
10
1
100
80
60
40
20
0
100
10
1
+
R
R
V
= 47k (LT1018)
= 200k (LT1017)
= 90% V
L
L
OUT
OUTPUT SHORTED TO V
LT1017
RISE
LT1017
FALL
LT1017
FALL
LT1018
FINAL
V
= 5V
S
V
= 5mV
OVERDRIVE
LT1017
RISE
LT1017
= 5V
LT1018
FALL
V
LT1018
FALL
S
LT1018
= 40V
LT1018
RISE
V
S
LT1018
RISE
LT1017
V
= 40V
S
V
OUT
= 10% V
FINAL
–50 –25
0
25 50 75
TEMPERATURE (°C)
150
100 125
–50
50
100 125
150
0.1
1
10
100
–25
0
25
75
OVERDRIVE (mV)
TEMPERATURE (°C)
1017/18 G12
1017/18 G11
1017/18 G10
Transition Time
Positive Transition Time
LT1017 Response Time
100
10
1
10
10% V
OVERDRIVE
≤ V
≤ 90% V
OUT FINAL
FINAL
V
= 10mV
V
IN
LT1018
= 40V
LT1017
SUP
R
L
= ∞
R
L
= 10k
V
SUP
V
= 2V
R
= 100k
L
LT1018
= 2V
LT1017
= 40V
LT1017 RISE
V
V
SUP
SUP
1
V
LT1017 FALL/
LT1018 RISE
OUT
LT1018 FALL
1017/18 G15
+
–
10% V
OVERDRIVE
≤ V
≤ 90% V
FINAL
V
V
V
V
= 5V
= 0V
5μs/DIV
FINAL
OUT
V
= 10mV
0.1
= 100mV STEP
IN
0
10
20
40
30
100k
1k
10k
1M
= 10mV
OVERDRIVE
TOTAL SUPPLY VOLTAGE (V)
PULL-UP RESISTOR (Ω)
1017/18 G14
1017/18 G13
LT1017 Response Time
LT1018 Response Time
LT1018 Response Time
V
IN
V
IN
V
IN
R
L
= ∞
R
L
= 10k
R
= 100k
L
5V
0V
V
V
OUT
V
OUT
OUT
1017/18 G17
1017/18 G16
1017/18 G18
+
–
+
–
+
–
V
V
V
V
= 5V
= 0V
= –100mV STEP
= –10mV
5μs/DIV
V
V
V
V
= 5V
5μs/DIV
V
V
V
V
= 5V
= 0V
= –100mV STEP
= –10mV
2μs/DIV
= 0V
= 100mV STEP
IN
IN
IN
= –10mV
OVERDRIVE
OVERDRIVE
OVERDRIVE
10178ff
6
LT1017/LT1018
TYPICAL APPLICATIONS
Driving Relays
Increasing Positive Output Current
Delay On Power Up
+
V
12V
+
V
+
100k
1μF
5V
8
3
2
3
8
2N3904
V
8
V
+
V
IN
–
IN
+
1
1
1
LT1017/
LT1018
LT1017/
LT1017
OUT
LT1018
–
2
3
2
1N4148
–
+
4
–
4
4
1017/18 TA03
V
1017/18 TA04
1k
20k
1017/18 TA05
LT1018 Op Amp, AV = 100
5V
10k
3
2
8
LT1018
4
R1*
V
+
–
IN
1
V
OUT
R
L
–5V
1M
R
= 100k
L
BANDWIDTH = 30Hz
–SLEW = 320V/ms
+SLEW = 0.93V/ms
*WITH R1 = 1k
10k
15Ω
0.22μF
1017/18 TA06
BANDWIDTH ≅ 200Hz
LT1017 Op Amp, AV = 100
5V
10k
3
2
8
V
+
IN
1
V
OUT
LT1017
–
4
R
≥ 200k
L
–5V
1M
10k
10Ω
3.3μF
–SLEW = 23.5V/ms
+SLEW = 0.017V/ms
1017/18 TA07 BANDWIDTH = 0.3Hz AT R = 220k
L
10178ff
7
LT1017/LT1018
TYPICAL APPLICATIONS
Negative Voltage Regulator
510k
LT1004
2.5V
2
3
150pF
1
8
510k
–
V
OUT
LT1017/
LT1018
–5V
50mA
220μF
+
+
4
100k 1k
220pF
–V
IN
–5.2V TO
–40V
1017/18 TA08
2-Wire Comparator
4.7k
V
SUPPLY
3
2
8
V
IN
+
1N4148 ×2
1
OUTPUT
≤ 40V
LT1018
–
3V ≤ V
4
SUPPLY
LT1018 ONLY
0.01μF
4.7k
V
SUPPLY
3
2
8
1N4148 ×4
V
IN
+
1
LT1017/
LT1018
OUTPUT
≤ 40V
–
3V ≤ V
4
SUPPLY
1017/18 TA09
10178ff
8
LT1017/LT1018
TYPICAL APPLICATIONS
5V Power Supply Monitor
+
V
36.5k
1%
3k
5
6
8
+
7
1
2.5k
1%
OUTPUT HIGH FOR
4.5V ≤ V ≤ 5.5V
1/2 LT1017
IN
–
3
2
+
1/2 LT1017
LT1034
1.235V
–
4
OUTPUT VALID
FOR V ≥ 1.1V
11.2k
1%
+
1017/18 TA10
Precise Tri-Wave Generator
TRIANGLE WAVE
5V
OUTPUT
0.5V TO 2.5V
22k
0.047μF
3k
2N3904
22k
3k
–
2
8
1
1/2 LT1013
3
2
3 +
8
+
4
1
7
SQUARE WAVE
OUTPUT
1/2 LT1018
–
10pF
100k
LT1009
2.5V
5
6
+
200k
1/2 LT1018
–
4
47k
1017/18 TA11
10178ff
9
LT1017/LT1018
TYPICAL APPLICATIONS
Power Supply Monitor
V
IN
160k
100k
330Ω
1N4148
2
3
8
–
+
+
1
LT1018
4
1μF
0.01μF
LT1004
1.2V
390k
1017/18 TA12
120k
1N4148
V
LED
OFF
IN
6.00V
5.25V FLASH AT 1Hz
5.00V FLASH AT 3Hz
4.75V FLASH AT 5Hz
1.5V Input Flyback Regulator
22μF
1.5V
2
3
2M 1M
100k
220pF
–
L1
1
4.7mH
6
5
1/2 LT1018
8
–
+
7
1/2 LT1018
1N4148
1M
HP5082-2810
+
4
OUTPUT
5V
365k
100k
1%
120k
1%
56.2k
1%
1% FILM
0.0022μF
110k
FILM FILM
FILM
1N4148
120k
+
LT1004
1.2V
47μF
L1: RL1123-4.7-RENCO, INC
80% EFFICIENCY AT 2mA OUTPUT
1017/18 TA13
10178ff
10
LT1017/LT1018
TYPICAL APPLICATIONS
Regulated Step-Up Converter
5V
400mH**
1N4148
100k
200k
2
8
–
1N4148
OUTPUT
10V
0.1μF
1
1/2 LT1018
2mA
3
+
+
4
100μF
LT1004
1.2V
5
R1*
910k
+
2000pF
7
1/2 LT1018
6
–
R2*
120k
R1
R2
*V
= 1.2 1 +
OUT
(
)
1017/18 TA14
**DALE TE-5/Q3/400mH
Low Power* V-to-F Converter
3M
0.001μF
POLYSTYRENE
1N4148
OUTPUT
0kHz TO 1kHz
47k
1N4148
FULL-SCALE
TRIM
9V
910K
1%
100k
2
3
8
INPUT
0V TO 1V
220k
2.2μF
–
1N4148
1
0.1μF
2N3904
1/2 LT1018
+
1N4148
4
220pF
100k
1M
LT1034
1.2V
1N4148
10k
330k
6
5
–
+
7
0.1μF
1/2 LT1018
*I ≅ 350μA
Q
1017/18 TA15
10178ff
11
LT1017/LT1018
PACKAGE DESCRIPTION
H Package
8-Lead TO-5 Metal Can (.200 Inch PCD)
(Reference LTC DWG # 05-08-1320)
.335 – .370
(8.509 – 9.398)
DIA
.305 – .335
(7.747 – 8.509)
.040
(1.016)
MAX
.050
(1.270)
MAX
.165 – .185
(4.191 – 4.699)
REFERENCE
PLANE
SEATING
PLANE
GAUGE
PLANE
.500 – .750
(12.700 – 19.050)
.010 – .045*
(0.254 – 1.143)
.016 – .021**
(0.406 – 0.533)
.027 – .045
(0.686 – 1.143)
45
PIN 1
.028 – .034
(0.711 – 0.864)
.200
(5.080)
TYP
.110 – .160
(2.794 – 4.064)
INSULATING
STANDOFF
*LEAD DIAMETER IS UNCONTROLLED BETWEEN THE REFERENCE PLANE
AND THE SEATING PLANE
.016 – .024
(0.406 – 0.610)
**FOR SOLDER DIP LEAD FINISH, LEAD DIAMETER IS
H8(TO-5) 0.200 PCD 0204
10178ff
12
LT1017/LT1018
PACKAGE DESCRIPTION
N8 Package
8-Lead PDIP (Narrow .300 Inch)
(Reference LTC DWG # 05-08-1510)
.400*
(10.160)
MAX
8
7
6
5
4
.255 ± .015*
(6.477 ± 0.381)
1
2
3
.130 ± .005
.300 – .325
.045 – .065
(3.302 ± 0.127)
(1.143 – 1.651)
(7.620 – 8.255)
.065
(1.651)
TYP
.008 – .015
(0.203 – 0.381)
.120
(3.048)
MIN
.020
(0.508)
MIN
+.035
–.015
.325
.018 ± .003
(0.457 ± 0.076)
.100
(2.54)
BSC
+0.889
8.255
(
)
N8 1002
–0.381
NOTE:
1. DIMENSIONS ARE
INCHES
MILLIMETERS
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCH (0.254mm)
10178ff
13
LT1017/LT1018
PACKAGE DESCRIPTION
S8 Package
8-Lead Plastic Small Outline (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1610)
.189 – .197
(4.801 – 5.004)
.045 ±.005
NOTE 3
.050 BSC
7
5
8
6
.245
MIN
.160 ±.005
.150 – .157
(3.810 – 3.988)
NOTE 3
.228 – .244
(5.791 – 6.197)
.030 ±.005
TYP
1
3
4
2
RECOMMENDED SOLDER PAD LAYOUT
.010 – .020
(0.254 – 0.508)
× 45°
.053 – .069
(1.346 – 1.752)
.004 – .010
(0.101 – 0.254)
.008 – .010
(0.203 – 0.254)
0°– 8° TYP
.016 – .050
(0.406 – 1.270)
.050
(1.270)
BSC
.014 – .019
(0.355 – 0.483)
TYP
NOTE:
INCHES
1. DIMENSIONS IN
(MILLIMETERS)
2. DRAWING NOT TO SCALE
3. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)
SO8 0303
10178ff
14
LT1017/LT1018
PACKAGE DESCRIPTION
SW Package
16-Lead Plastic Small Outline (Wide .300 Inch)
(Reference LTC DWG # 05-08-1620)
.050 BSC .045 ±.005
.030 ±.005
.398 – .413
(10.109 – 10.490)
NOTE 4
TYP
15 14
12
10
9
N
16
N
13
11
.325 ±.005
.420
MIN
.394 – .419
(10.007 – 10.643)
NOTE 3
N/2
1
2
3
N/2
RECOMMENDED SOLDER PAD LAYOUT
2
3
5
7
8
1
4
6
.291 – .299
(7.391 – 7.595)
NOTE 4
.037 – .045
(0.940 – 1.143)
.093 – .104
(2.362 – 2.642)
.010 – .029
× 45°
(0.254 – 0.737)
.005
(0.127)
RAD MIN
0° – 8° TYP
.050
(1.270)
BSC
.004 – .012
.009 – .013
(0.102 – 0.305)
NOTE 3
(0.229 – 0.330)
.014 – .019
.016 – .050
(0.356 – 0.482)
(0.406 – 1.270)
TYP
NOTE:
1. DIMENSIONS IN
INCHES
(MILLIMETERS)
S16 (WIDE) 0502
2. DRAWING NOT TO SCALE
3. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS
4. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)
10178ff
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.
15
LT1017/LT1018
TYPICAL APPLICATION
Fully Isolated Limit Comparator
5V
INTERROGATE
PULSE
1k
INTERROGATE PULSE
OUTPUT PULSE
2N3906
500μs
1μF
V
> V
4.7k
IN
TRIP
TRIP
2
3
8
NO OUTPUT PULSE FOR V < V
IN
INPUT
–
3k
1
2N3906
1/2 LT1018
20k
+
4
OUTPUT
100k
100Ω
100μF
10k
200pF
2N3904
300k
TRIP
+
LT1004
1.2V
TRW
PC-550-32
ADJUST
ALL GATES 74C02
RELATED PARTS
PART NUMBER
LT1011/LT1011A
LT1020
DESCRIPTION
Voltage Comparators
COMMENTS
Improved LT111A, 0.5mV V
, 25nA I
, 3nA I
, 250ns t
OS(MAX)
B(MAX)
OS(MAX) PD(MAX)
Micropower Regulator and Comparator
Dual Micropower Comparator
40μA I , 125mA I , 2.5V Reference Voltage
SUPPLY OUT
LTC1040
1.5μW (1Sample/Second), 0.5mV V
, Rail-to-Rail Input
OS(MAX)
LT1120/LT1120A
Micropower Regulator with Comparator
and Shutdown
20μA I
, 125mA I , 2.5V Reference Voltage
SUPPLY OUT
LT319A
LT1671
LT1716
Dual Comparators
0.5mV V
, 25mA I , 80ns t
OS(MAX) OUT PD
Single Supply Ground Sensing Comparator
450μA I
, 60ns t , 0.8mV V
SUPPLY PD OS
Micropower, 44V, SOT-23
Ground Sensing Comparator
Input Common Mode Range Extends from –5V to 44V from Negative Supply
10178ff
LT 0208 REV F • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
16
●
●
© LINEAR TECHNOLOGY CORPORATION 2008
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
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