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National Semiconductor Electronic Components Datasheet

LMV761 Datasheet

Low Voltage / Precision Comparator

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July 2002
LMV761/LMV762
Low Voltage, Precision Comparator with Push-Pull
Output
General Description
The LMV761/762 are precision comparators intended for
applications requiring low noise and low input offset voltage.
The LV761 single has a shutdown pin that can be used to
disable the device and reduce the supply current. The
LMV761 is available in a space saving SOT23-6 or SOIC−8
package. The LMV762 dual is available in SOIC−8 or
MSOP-8 package.
They feature a CMOS input and Push-Pull output stage. The
Push-Pull output stage eliminates the need for an external
pull-up resistor.
The LMV761/762 are designed to meet the demands of
small size, low power and high performance required by
portable and battery operated electronics.
The input offset voltage has a typical value of 200µV at room
temp and a 1mV limit over temp.
Features
(VS = 5V, TA = 25˚C, Typical values unless specified)
n Input offset voltage
0.2mV
n Input offset voltage (max over temp)
1mV
n Input bias current
0.2pA
n Propagation delay (OD = 50mV)
120 nsec
n Low supply current
300µA
n CMRR
100dB
n PSRR
110dB
n Extended Temperature Range
−40˚C to 125˚C
n Push-pull output
n Ideal for 2.7V and 5V single supply applications
n Available in space-saving packages:
6-Pin SOT23 (single w/shutdown)
8-Pin SOIC (single w/shutdown)
8-Pin SOIC/MSOP (dual without shutdown)
Applications
n Portable and battery-powered systems
n Scanners
n Set top boxes
n High speed differential line receiver
n Window comparators
n Zero-crossing detectors
n High speed sampling circuits
Typical Circuit
VOS vs. VCC
Threshold Detector
20037032
© 2002 National Semiconductor Corporation DS200370
20037010
www.national.com


National Semiconductor Electronic Components Datasheet

LMV761 Datasheet

Low Voltage / Precision Comparator

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
Supply Voltage (V+ – V)
Differential Input Voltage
Voltage between any two pins
Output Short Circuit to V+ - V
Soldering Information
Infrared or Convection (20 sec.)
2000V
200V
5.5V
Supply Voltage
Supply Voltage
235˚C
Wave Soldering (10 sec.)
Junction Temperature
Storage Temperature Range
260˚C (Lead Temp)
150˚C
−65˚C to 150˚C
Operating Ratings
Supply Voltage (V+ – V)
Temperature Range
Package Thermal Resistance (Note 4)
SOT23-6
SOIC-8
MSOP-8
2.7V to 5.0V
−40˚C to +125˚C
265˚C/W
190˚C/W
235˚C/W
2.7V Electrical Characteristics
Unless otherwise specified, all limited guaranteed for TJ = 25˚C, VCM = V+/2, V+ = 2.7V, V= 0V. Boldface limits apply at the
temperature extremes. (Note 5)
Symbol
Parameter
Condition
Min Typ Max
(Note 7) (Note 6) (Note 7)
Units
VOS
IB
IOS
CMRR
PSRR
CMVR
VO
ISC
IS
Input Offset Voltage
Input Bias Current (Note 8)
Input Offset Current (Note 8)
Common Mode Rejection
Ratio
Power Supply Rejection Ratio
Input Common Mode Voltage
Range
Output Swing High
Output Swing Low
Output Short Circuit Current
(Note 3)
Supply Current
LMV761 (Single Comparator)
0V < VCM < VCC - 1.3V
V+ = 2.7V to 5V
CMRR > 50dB
80
80
IL = 2mA, VID = 200mV
IL = −2mA, VID = −200mV
Sourcing, VO = 1.35V, VID = 200mV
Sinking, VO = 1.35V, VID = −200mV
V+ – 0.35
6.0
6.0
0.2
0.2
.001
100
110
V+ – 0.1
90
20
15
275
1.0
50
5
−0.3
1.5
250
700
mV
pA
pA
dB
dB
V
V
mV
mA
µA
LMV762 (Both Comparators)
550 1400
IOUT
LEAKAGE
Output Leakage I @ Shutdown SD = GND, VO = 2.7V
0.20
µA
IS LEAKAGE
tPD
Supply Leakage I @ Shutdown
Propagation Delay
RL = 5.1k
CL = 50pF
SD = GND, VCC = 2.7V
Overdrive = 5mV
Overdrive = 10mV
Overdrive = 50mV
0.20
270
205
120
2
µA
ns
tSKEW
tr
tf
ton
Propagation Delay Skew
Output Rise Time
Output Fall Time
Turn On Time From Shutdown
10% to 90%
90% to 10%
5 ns
1.7 ns
1.8 ns
6 µs
5.0V Electrical Characteristics
Unless otherwise specified, all limited guaranteed for TJ = 25˚C, VCM = V+/2, V+ = 5.0V, V= 0V. Boldface limits apply at the
temperature extremes.
Symbol
Parameter
Condition
Min Typ Max
(Note 7) (Note 6) (Note 7)
Units
VOS Input Offset Voltage
IB Input Bias Current (Note 8)
0.2 1.0 mV
0.2 50 pA
www.national.com
2


Part Number LMV761
Description Low Voltage / Precision Comparator
Maker National Semiconductor
Total Page 10 Pages
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