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LMV641 Datasheet

Low Power Amplifier

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September 2007
LMV641
10 MHz, 12V, Low Power Amplifier
General Description
The LMV641 is a low power, wide bandwidth operational am-
plifier with an extended power supply voltage range of 2.7V
to 12V.
It features 10 MHz of gain bandwidth product with unity gain
stability on a typical supply current of 138 μA. Other key spec-
ifications are a PSRR of 105 dB, CMRR of 120 dB, VOS of
500 μV, input referred voltage noise of 14 nV/ , and a THD
of 0.002%. This amplifier has a rail-to-rail output stage, and a
common mode input voltage which includes the negative sup-
ply.
The LMV641 operates over a temperature range of −40°C to
+125°C and is offered in the board space saving 5-Pin SC70
and 8-Pin SOIC packages.
Features
Guaranteed 2.7V, and ±5V performance
Low power supply current
138 µA
High unity gain bandwidth
10 MHz
Max input offset voltage
500 µV
CMRR
120 dB
PSRR
105 dB
Input referred voltage noise
14 nV/Hz
1/f corner frequency
4 Hz
Output swing with 2 kload
40 mV from rail
Total harmonic distortion
0.002% @ 1 kHz, 2 k
Temperature range
−40°C to 125°C
Applications
Portable equipment
Automotive
Battery powered systems
Sensors and instrumentation
20203319
Offset Voltage Distribution
20203326
Open Loop Gain and Phase vs. Frequency
© 2007 National Semiconductor Corporation 202033
www.DataSheet.in
www.national.com


National Semiconductor Electronic Components Datasheet

LMV641 Datasheet

Low Power Amplifier

No Preview Available !

Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Tolerance (Note 2)
Human Body Model
Machine Model
Differential Input VID
Supply Voltage (VS = V+ - V)
Input/Output Pin Voltage
Storage Temperature Range
2000V
200V
±0.3V
13.2V
V+ +0.3V, V−0.3V
−65°C to +150°C
Junction Temperature (Note 3)
Soldering Information
Infrared or Convection (20 sec)
Wave Soldering Lead Temp (10 sec)
+150°C
235°C
260°C
Operating Ratings (Note 1)
Temperature Range (Note 3)
Supply Voltage (VS = V+ - V)
Package Thermal Resistance (θJA)(Note 3)
5-Pin SC70
8-Pin SOIC
−40°C to 125°C
2.7V to 12V
456°C/W
166°C/W
2.7V DC Electrical Characteristics
Unless otherwise specified, all limits are guaranteed for TA = 25°C, V+ = 2.7V, V= 0V, VO = VCM = V+/2, and RL > 1 MΩ.
Boldface limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Min Typ Max Units
(Note 5) (Note 4) (Note 5)
VOS Input Offset Voltage
30 500 µV
750
TC VOS
IB
Input Offset Average Drift
Input Bias Current
(Note 6)
0.1 μV/°C
75 95 nA
110
IOS
CMRR
Input Offset Current
Common Mode Rejection Ratio 0V VCM 1.7V
0.9
89 114
84
5
nA
dB
PSRR
Power Supply Rejection Ratio 2.7V V+ 10V, VCM = 0.5
2.7V V+ 12V, VCM = 0.5
94.5 105
92.5
94 100
92
dB
CMVR
Input Common-Mode Voltage CMRR 80 dB
Range
CMRR 68 dB
0 1.8 V
AVOL
Large Signal Voltage Gain
VO Output Swing High
0.3V VO 2.4V, RL = 2 kto V+/2
0.4V VO 2.3V, RL = 2 kto V+/2
0.3V VO 2.4V, RL = 10 kto V+/2
0.4V VO 2.3V, RL = 10 kto V+/2
RL = 2 kto V+/2, VIN = 100 mV
82 88
78
86 98
82
dB
42 58
68
Output Swing Low
RL = 10 kto V+/2, VIN = 100 mV
RL = 2 kto V+/2, VIN = 100 mV
22 35
40 mV from
38 48 rail
58
RL = 10 kto V+/2, VIN = 100 mV
18 30
35
IOUT Sourcing and Sinking Output VIN_DIFF = 100 mV to Sourcing
Current
VO = V+/2 (Note 7) Sinking
IS Supply Current
22
mA
25
138 170
220
μA
SR Slew Rate
AV = +1, VO = 1 VPP Rising (10% to 90%)
Falling (90% to 10%)
2.3
1.6
V/μs
GBW Gain Bandwidth Product
10 MHz
en Input-Referred Voltage Noise f = 1 kHz
14 nV/
www.national.com
www.DataSheet.in
2


Part Number LMV641
Description Low Power Amplifier
Maker National Semiconductor
Total Page 18 Pages
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