LMC7101BIM5 [ROCHESTER]
OP-AMP, 9000uV OFFSET-MAX, 0.6MHz BAND WIDTH, PDSO5, SOT-23, 5 PIN;型号: | LMC7101BIM5 |
厂家: | Rochester Electronics |
描述: | OP-AMP, 9000uV OFFSET-MAX, 0.6MHz BAND WIDTH, PDSO5, SOT-23, 5 PIN 放大器 光电二极管 |
文件: | 总22页 (文件大小:2019K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
February 2006
LMC7101
Tiny Low Power Operational Amplifier with Rail-To-Rail
Input and Output
General Description
Features
n Tiny SOT23-5 package saves space—typical circuit
layouts take half the space of SO-8 designs
n Guaranteed specs at 2.7V, 3V, 5V, 15V supplies
n Typical supply current 0.5 mA at 5V
n Typical total harmonic distortion of 0.01% at 5V
n 1.0 MHz gain-bandwidth
The LMC7101 is a high performance CMOS operational
amplifier available in the space saving SOT 23-5 Tiny pack-
age. This makes the LMC7101 ideal for space and weight
critical designs. The performance is similar to a single am-
plifier of the LMC6482/6484 type, with rail-to-rail input and
output, high open loop gain, low distortion, and low supply
currents.
n Similar to popular LMC6482/6484
The main benefits of the Tiny package are most apparent in
small portable electronic devices, such as mobile phones,
pagers, notebook computers, personal digital assistants,
and PCMCIA cards. The tiny amplifiers can be placed on a
board where they are needed, simplifying board layout.
n Rail-to-rail input and output
Applications
n Mobile communications
n Notebooks and PDAs
n Battery powered products
n Sensor interface
Connection Diagram
5-Pin SOT23
01199102
Top View
Ordering Information
Package
Part Number
Package Marking
A00A
Transport Media
NSC Drawing
LMC7101AIM5
LMC7101AIM5X
LMC7101BIM5
LMC7101BIM5X
1k Units on Tape and Reel
3k Units Tape and Reel
1k Units on Tape and Reel
3k Units Tape and Reel
A00A
5-Pin SOT23
MF05A
A00B
A00B
© 2006 National Semiconductor Corporation
DS011991
www.national.com
Absolute Maximum Ratings (Note 1)
Storage Temperature Range
Junction Temperature (Note 4)
−65˚C to +150˚C
150˚C
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Recommended Operating
Conditions (Note 1)
ESD Tolerance (Note 2)
2000V
Difference Input Voltage
Voltage at Input/Output Pin
Supply Voltage (V+ − V−)
Current at Input Pin
Supply Voltage
(V+) + 0.3V, (V−) − 0.3V
Supply Voltage
2.7V ≤ V+ ≤ 15.5V
Temperature Range
LMC7101AI, LMC7101BI
16V
5 mA
−40˚C to +85˚C
325˚C/W
Thermal Resistance (θJA
)
Current at Output Pin (Note 3)
Current at Power Supply Pin
Lead Temp. (Soldering, 10 sec.)
35 mA
35 mA
260˚C
5-Pin STO23
2.7V Electrical Characteristics
Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = 2.7V, V− = 0V, VCM = VO = V+/2 and RL 1 MΩ. Bold-
face limits apply at the temperature extremes.
>
Typ
LMC7101AI
Limit
LMC7101BI
Limit
Symbol
VOS
Parameter
Conditions
V+ = 2.7V
(Note 5)
Units
(Note 6)
6
(Note 6)
9
Input Offset Voltage
0.11
1
mV
max
TCVOS
Input Offset Voltage
Average Drift
µV/˚C
IB
Input Bias Current
Input Offset Current
Input Resistance
Common-Mode
1.0
0.5
64
32
64
32
pA max
pA max
Tera Ω
dB
IOS
>
RIN
1
CMRR
0V ≤ VCM ≤ 2.7V
V+ = 2.7V
70
55
50
Rejection Ratio
min
VCM
Input Common-Mode Voltage
Range
For CMRR ≥ 50 dB
V
0.0
3.0
0.0
2.7
0.0
2.7
min
V
max
dB
PSRR
Power Supply
Rejection Ratio
V+ = 1.35V to 1.65V
V− = −1.35V to −1.65V
VCM = 0
60
3
50
45
min
CIN
VO
Common-Mode Input
Capacitance
pF
Output Swing
RL = 2 kΩ
2.45
0.25
2.68
0.025
0.5
2.15
0.5
2.15
0.5
V min
V max
V min
V max
mA
RL = 10 kΩ
2.64
0.06
0.81
0.95
2.64
0.06
0.81
0.95
IS
Supply Current
max
SR
Slew Rate (Note 8)
0.7
0.6
V/µs
GBW
Gain-Bandwidth Product
MHz
www.national.com
2
3V DC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = 3V, V− = 0V, VCM = 1.5V, VO = V+/2 and RL = 1 MΩ.
Boldface limits apply at the temperature extremes.
Typ
LMC7101AI
LMC7101BI
Symbol
VOS
Parameter
Conditions
(Note 5)
Limit
Limit
Units
(Note 6)
(Note 6)
Input Offset Voltage
0.11
4
7
mV
6
9
max
TCVOS
Input Offset Voltage Average
Drift
1
µV/˚C
IB
Input Current
1.0
0.5
64
32
64
32
pA max
pA max
Tera Ω
db
IOS
Input Offset Current
Input Resistance
Common-Mode Rejection
Ratio
>
RIN
1
CMRR
0V ≤ VCM ≤ 3V
74
0.0
3.3
64
0.0
3.0
60
0.0
3.0
V+ = 3V
min
VCM
Input Common-Mode Voltage
Range
For CMRR ≥ 50 dB
V
min
V
max
dB
PSRR
Power Supply Rejection Ratio V+ = 1.5V to 7.5V
V− = −1.5V to −7.5V
80
68
60
min
VO = VCM = 0
CIN
VO
Common-Mode Input
3
pF
Capacitance
Output Swing
RL = 2 kΩ
RL = 600Ω
2.8
0.2
2.6
0.4
2.6
0.4
V min
V max
V min
V max
mA
2.7
2.5
2.5
0.37
0.5
0.6
0.6
IS
Supply Current
0.81
0.95
0.81
0.95
max
3
www.national.com
5V DC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = 5V, V− = 0V, VCM = 1.5V, VO = V+/2 and RL = 1 MΩ.
Boldface limits apply at the temperature extremes.
Typ
LMC7101AI LMC7101BI
Symbol
VOS
Parameter
Conditions
(Note 5)
Limit
Limit
Units
(Note 6)
(Note 6)
Input Offset Voltage
V+ = 5V
0.11
1.0
3
7
mV
max
5
9
TCVOS
Input Offset Voltage
Average Drift
µV/˚C
IB
Input Current
1
64
32
64
32
pA max
pA max
Tera Ω
db
IOS
Input Offset Current
Input Resistance
Common-Mode
0.5
>
RIN
1
CMRR
0V ≤ VCM ≤ 5V
82
65
60
60
55
Rejection Ratio
min
dB
+PSRR
−PSRR
VCM
Positive Power Supply
Rejection Ratio
V+ = 5V to 15V
82
70
65
V− = 0V, VO = 1.5V
V− = −5V to −15V
V+ = 0V, VO = −1.5V
For CMRR ≥ 50 dB
65
62
min
dB
Negative Power Supply
Rejection Ratio
82
70
65
65
62
min
V
Input Common-Mode
Voltage Range
−0.3
5.3
3
−0.20
0.00
5.20
5.00
−0.20
0.00
5.20
5.00
min
V
max
pF
CIN
VO
Common-Mode
Input Capacitance
Output Swing
RL = 2 kΩ
RL = 600Ω
4.9
0.1
4.7
0.3
24
4.7
4.6
4.7
4.6
V
min
V
0.18
0.24
4.5
0.18
0.24
4.5
max
V
4.24
0.5
4.24
0.5
min
V
0.65
16
0.65
16
max
mA
min
mA
min
mA
max
ISC
Output Short Circuit
Current
VO = 0V
VO = 5V
Sourcing
Sinking
11
11
19
11
11
7.5
7.5
IS
Supply Current
0.5
0.85
1.0
0.85
1.0
5V AC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = 5V, V− = 0V, VCM = 1.5V, VO = V+/2 and RL = 1 MΩ.
Boldface limits apply at the temperature extremes.
Typ
LMC7101AI
Limit
LMC7101BI
Limit
Symbol
Parameter
Total Harmonic
Conditions
(Note 5)
Units
(Note 6)
(Note 6)
THD
F = 10 kHz, AV = −2
0.01
%
Distortion
RL = 10 kΩ, VO = 4.0 VPP
SR
Slew Rate
1.0
1.0
V/µs
MHz
GBW
Gain Bandwidth Product
www.national.com
4
15V DC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = 15V, V− = 0V, VCM = 1.5V, VO = V+/2 and RL = 1 MΩ.
Boldface limits apply at the temperature extremes.
Typ
LMC7101AI LMC7101BI
Symbol
VOS
Parameter
Conditions
(Note 5)
Limit
Limit
Units
(Note 6)
(Note 6)
Input Offset Voltage
Input Offset Voltage
Average Drift
0.11
1.0
mV max
µV/˚C
TCVOS
IB
Input Current
1.0
0.5
64
32
64
32
pA max
pA max
Tera Ω
dB
IOS
Input Offset Current
Input Resistance
Common-Mode
>
RIN
1
CMRR
0V ≤ VCM ≤ 15V
82
70
65
65
60
Rejection Ratio
min
+PSRR
−PSRR
VCM
Positive Power Supply
Rejection Ratio
V+ = 5V to 15V
82
70
65
dB
V− = 0V, VO = 1.5V
V− = −5V to −15V
V+ = 0V, VO = −1.5V
V+ = 5V
65
62
min
Negative Power Supply
Rejection Ratio
82
70
65
dB
65
62
min
Input Common-Mode
Voltage Range
−0.3
15.3
340
24
−0.20
0.00
15.20
15.00
80
−0.20
0.00
15.20
15.00
80
V
For CMRR ≥ 50 dB
min
V
max
AV
Large Signal Voltage Gain
(Note 7)
RL = 2 kΩ
RL = 600Ω
Sourcing
Sinking
40
40
15
15
V/mV
10
10
Sourcing
Sinking
300
15
34
34
6
6
CIN
VO
Input Capacitance
Output Swing
3
pF
V
V+ = 15V
14.7
14.4
14.2
0.32
0.45
13.4
13.0
1.0
14.4
14.2
0.32
0.45
13.4
13.0
1.0
RL = 2 kΩ
min
V
0.16
14.1
0.5
50
max
V
V+ = 15V
RL = 600Ω
min
V
1.3
1.3
max
ISC
Output Short Circuit Current VO = 0V
Sourcing
Sinking
30
30
(Note 9)
20
20
mA
min
VO = 12V
50
30
30
20
20
IS
Supply Current
0.8
1.50
1.71
1.50
1.71
mA
max
5
www.national.com
15V AC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = 15V, V− = 0V, VCM = 1.5V, VO = V+/2 and RL = 1 MΩ.
Boldface limits apply at the temperature extremes.
Typ
LMC7101AI LMC7101BI
Symbol
Parameter
Slew Rate
Conditions
V+ = 15V
V+ = 15V
(Note 5)
Limit
(Note 6)
0.5
Limit
(Note 6)
0.5
Units
SR
1.1
V/µs
min
MHz
deg
dB
(Note 8)
0.4
0.4
GBW
φm
Gain-Bandwidth Product
Phase Margin
Gain Margin
1.1
45
10
37
Gm
en
Input-Referred Voltage Noise f = 1 kHz, VCM = 1V
in
Input-Referred Current Noise f = 1 kHz
1.5
THD
Total Harmonic Distortion
f = 10 kHz, AV = −2
0.01
%
RL = 10 kΩ, VO = 8.5 VPP
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
intended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics.
Note 2: Human Body Model is 1.5 kΩ in series with 100 pF.
Note 3: Applies to both single-supply and split-supply operation. Continuous short operation at elevated ambient temperature can result in exceeding the maximum
allowed junction temperature at 150˚C.
Note 4: The maximum power dissipation is a function of T
, θ and T . The maximum allowable power dissipation at any ambient temperature is
JA A
J(MAX)
P
= (T
− T )/θ . All numbers apply for packages soldered directly into a PC board.
D
J(MAX) A JA
Note 5: Typical Values represent the most likely parametric norm.
Note 6: All limits are guaranteed by testing or statistical analysis.
+
Note 7: V = 15V, V
= 1.5V and R connect to 7.5V. For sourcing tests, 7.5V ≤ V ≤ 12.5V. For sinking tests, 2.5V ≤ V ≤ 7.5V.
L O O
CM
+
Note 8: V = 15V. Connected as a voltage follower with a 10V step input. Number specified is the slower of the positive and negative slew rates. R = 100 kΩ
L
connected to 7.5V. Amp excited with 1 kHz to produce V = 10 V
.
PP
O
+
+
Note 9: Do not short circuit output to V when V is greater than 12V or reliability will be adversely affected.
2.7V Typical Performance Characteristics V+ = 2.7V, V− = 0V, TA = 25˚C, unless otherwise
specified.
Open Loop Frequency Response
Input Voltage vs. Output Voltage
01199116
01199117
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6
2.7V Typical Performance Characteristics V+ = 2.7V, V− = 0V, TA = 25˚C, unless otherwise
specified. (Continued)
Gain and Phase vs. Capacitance Load
Gain and Phase vs. Capacitance Load
01199118
01199119
dVOS vs. Supply Voltage
dVOS vs. Common Mode Voltage
01199120
01199121
Sinking Current vs. Output Voltage
Sourcing Current vs. Output Voltage
01199122
01199123
7
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3V Typical Performance Characteristics V+ = 3V, V− = 0V, TA = 25˚C, unless otherwise specified.
Open Loop Frequency Response
Input Voltage vs. Output Voltage
01199125
01199124
Input Voltage Noise vs. Input Voltage
Sourcing Current vs. Output Voltage
01199126
01199127
Sinking Current vs. Output Voltage
CMRR vs. Input Voltage
01199129
01199128
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8
5V Typical Performance Characteristics V+ = 5V, V− = 0V, TA = 25˚C, unless otherwise specified.
Open Loop Frequency Response
Input Voltage vs. Output Voltage
01199131
01199130
Input Voltage Noise vs. Input Voltage
Sourcing Current vs, Output Voltage
01199133
01199132
Sinking Current vs. Output Voltage
CMRR vs. Input Voltage
01199135
01199134
9
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15V Typical Performance Characteristics V+ = +15V, V− = 0V, TA = 25˚C, unless otherwise
specified.
Open Loop Frequency Response
Input Voltage vs. Output Voltage
01199136
01199137
Input Voltage Noise vs. Input Voltage
Sourcing Current vs. Output Voltage
01199139
01199138
Sinking Current vs. Output Voltage
CMRR vs. Input Voltage
01199141
01199140
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10
15V Typical Performance Characteristics V+ = +15V, V− = 0V, TA = 25˚C, unless otherwise
specified. (Continued)
Supply Current vs. Supply Voltage
Input Current vs. Temperature
01199142
01199143
Output Voltage Swing vs. Supply Voltage
Input Voltage Noise vs. Frequency
01199144
01199145
Positive PSRR vs. Frequency
Negative PSRR vs. Frequency
01199146
01199147
11
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15V Typical Performance Characteristics V+ = +15V, V− = 0V, TA = 25˚C, unless otherwise
specified. (Continued)
@
CMRR vs. Frequency
Open Loop Frequency Response −40˚C
01199148
01199149
@
@
Open Loop Frequency Response 85˚C
Open Loop Frequency Response 25˚C
01199150
01199151
Maximum Output Swing vs. Frequency
Gain and Phase vs. Capacitive Load
01199153
01199152
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12
15V Typical Performance Characteristics V+ = +15V, V− = 0V, TA = 25˚C, unless otherwise
specified. (Continued)
Gain and Phase vs. Capacitive Load
Output Impedance vs. Frequency
01199154
01199155
Slew Rate vs. Temperature
Slew Rate vs. Supply Voltage
01199157
01199156
Inverting Small Signal Pulse Response
Inverting Small Signal Pulse Response
01199158
01199159
13
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15V Typical Performance Characteristics V+ = +15V, V− = 0V, TA = 25˚C, unless otherwise
specified. (Continued)
Inverting Small Signal Pulse Response
Inverting Large Signal Pulse Response
01199160
01199161
Inverting Large Signal Pulse Response
Inverting Large Signal Pulse Response
01199162
01199163
Non-Inverting Small Signal Pulse Response
Non-Inverting Small Signal Pulse Response
01199164
01199165
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14
15V Typical Performance Characteristics V+ = +15V, V− = 0V, TA = 25˚C, unless otherwise
specified. (Continued)
Non-Inverting Small Signal Pulse Response
Non-Inverting Large Signal Pulse Response
01199166
01199167
Non-Inverting Large Signal Pulse Response
Non-Inverting Large Signal Pulse Response
01199168
01199169
Stability vs. Capacitive Load
Stability vs. Capacitive Load
01199170
01199171
15
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15V Typical Performance Characteristics V+ = +15V, V− = 0V, TA = 25˚C, unless otherwise
specified. (Continued)
Stability vs. Capacitive Load
Stability vs. Capacitive Load
01199175
01199176
Stability vs. Capacitive Load
Stability vs. Capacitive Load
01199177
01199178
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16
Application Information
1.0 BENEFITS OF THE LMC7101
TINY AMP
Size
The small footprint of the SOT 23-5 packaged Tiny amp,
(0.120 x 0.118 inches, 3.05 x 3.00 mm) saves space on
printed circuit boards, and enable the design of smaller
electronic products. Because they are easier to carry, many
customers prefer smaller and lighter products.
Height
The height (0.056 inches, 1.43 mm) of the Tiny amp makes
it possible to use it in PCMCIA type III cards.
01199108
FIGURE 1. An Input Voltage Signal Exceeds the
LMC7101 Power Supply Voltages with
No Output Phase Inversion
Signal Integrity
Signals can pick up noise between the signal source and the
amplifier. By using a physically smaller amplifier package,
the Tiny amp can be placed closer to the signal source,
reducing noise pickup and increasing signal integrity. The
Tiny amp can also be placed next to the signal destination,
such as a buffer for the reference of an analog to digital
converter.
Simplified Board Layout
The Tiny amp can simplify board layout in several ways.
First, by placing an amp where amps are needed, instead of
routing signals to a dual or quad device, long pc traces may
be avoided.
By using multiple Tiny amps instead of duals or quads,
complex signal routing and possibly crosstalk can be re-
duced.
01199109
Low THD
The high open loop gain of the LMC7101 amp allows it to
achieve very low audio distortion—typically 0.01% at 10 kHz
with a 10 kΩ load at 5V supplies. This makes the Tiny an
excellent for audio, modems, and low frequency signal pro-
cessing.
FIGURE 2. A 7.5V Input Signal Greatly
Exceeds the 3V Supply in Figure 3 Causing
No Phase Inversion Due to RI
Applications that exceed this rating must externally limit the
maximum input current to 5 mA with an input resistor as
shown in Figure 3.
Low Supply Current
The typical 0.5 mA supply current of the LMC7101 extends
battery life in portable applications, and may allow the reduc-
tion of the size of batteries in some applications.
Wide Voltage Range
The LMC7101 is characterized at 15V, 5V and 3V. Perfor-
mance data is provided at these popular voltages. This wide
voltage range makes the LMC7101 a good choice for de-
vices where the voltage may vary over the life of the batter-
ies.
01199110
FIGURE 3. RI Input Current Protection for
Voltages Exceeding the Supply Voltage
2.0 INPUT COMMON MODE
Voltage Range
3.0 RAIL-TO-RAIL OUTPUT
The LMC7101 does not exhibit phase inversion when an
input voltage exceeds the negative supply voltage. Figure 1
shows an input voltage exceeding both supplies with no
resulting phase inversion of the output.
The approximate output resistance of the LMC7101 is 180Ω
sourcing and 130Ω sinking at VS = 3V and 110Ω sourcing
and 80Ω sinking at VS = 5V. Using the calculated output
resistance, maximum output voltage swing can be estimated
as a function of load.
The absolute maximum input voltage is 300 mV beyond
either rail at room temperature. Voltages greatly exceeding
this maximum rating, as in Figure 2, can cause excessive
current to flow in or out of the input pins, adversely affecting
reliability.
17
www.national.com
Application Information (Continued)
4.0 CAPACITIVE LOAD TOLERANCE
5.0 COMPENSATING FOR INPUT CAPACITANCE WHEN
USING LARGE VALUE FEEDBACK RESISTORS
The LMC7101 can typically directly drive a 100 pF load with
VS = 15V at unity gain without oscillating. The unity gain
follower is the most sensitive configuration. Direct capacitive
loading reduces the phase margin of op-amps. The combi-
nation of the op-amp’s output impedance and the capacitive
load induces phase lag. This results in either an under-
damped pulse response or oscillation.
When using very large value feedback resistors, (usually
>
500 kΩ) the large feed back resistance can react with the
input capacitance due to transducers, photodiodes, and cir-
cuit board parasitics to reduce phase margins.
The effect of input capacitance can be compensated for by
adding a feedback capacitor. The feedback capacitor (as in
Figure 5), Cf is first estimated by:
Capacitive load compensation can be accomplished using
resistive isolation as shown in Figure 4. This simple tech-
nique is useful for isolating the capacitive input of multiplex-
ers and A/D converters.
or
R1 CIN ≤ R2 Cf
which typically provides significant overcompensation.
Printed circuit board stray capacitance may be larger or
smaller than that of a breadboard, so the actual optimum
value for CF may be different. The values of CF should be
checked on the actual circuit. (Refer to the LMC660 quad
CMOS amplifier data sheet for a more detailed discussion.)
01199111
FIGURE 4. Resistive Isolation
of a 330 pF Capacitive Load
01199112
FIGURE 5. Cancelling the Effect of Input Capacitance
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18
Application Information (Continued)
SOT-23-5 TAPE AND REEL SPECIFICATION
Tape Format
Tape Section
Leader
# Cavities
0 (min)
75 (min)
3000
Cavity Status
Empty
Cover Tape Status
Sealed
(Start End)
Carrier
Empty
Sealed
Filled
Sealed
1000
Filled
Sealed
Trailer
125 (min)
0 (min)
Empty
Sealed
(Hub End)
Empty
Sealed
Tape Dimensions
01199113
8 mm
0.130
(3.3)
0.124
(3.15)
0.130
0.126
(3.2)
0.138 0.002
(3.5 0.05)
DIM F
0.055 0.004
(1.4 0.11)
DIM Ko
0.157
(4)
0.315 0.012
(8 0.3)
(3.3)
Tape Size
DIM A
DIM Ao
DIM B
DIM Bo
DIM P1
DIM W
19
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Application Information (Continued)
Reel Dimensions
01199114
8 mm
7.00 0.059 0.512 0.795 2.165 0.331 + 0.059/−0.000 0.567
W1+ 0.078/−0.039
W1 + 2.00/−1.00
W3
330.00 1.50 13.00 20.20 55.00
8.40 + 1.50/−0.00
14.40
Tape Size
A
B
C
D
N
W1
W2
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20
Physical Dimensions inches (millimeters) unless otherwise noted
5-Pin SOT23 Package
NS Package Number MF05A
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相关型号:
LMC7101BIM5X/NOPB
IC OP-AMP, 9000 uV OFFSET-MAX, 0.6 MHz BAND WIDTH, PDSO5, ROHS COMPLIANT, SOT-23, 5 PIN, Operational Amplifier
NSC
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