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National Semiconductor Electronic Components Datasheet

LMV931 Datasheet

1.8V / RRIO Operational Amplifiers

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December 2002
LMV931 Single / LMV932 Dual / LMV934 Quad
1.8V, RRIO Operational Amplifiers
General Description
The LMV931/LMV932/LMV934 are low voltage, low power
operational amplifiers. LMV931/LMV932/LMV934 are guar-
anteed to operate from +1.8V to +5.0V supply voltages and
have rail-to-rail input and output. LMV931/LMV932/LMV934
input common mode voltage extends 200mV beyond the
supplies which enables user enhanced functionality beyond
the supply voltage range. The output can swing rail-to-rail
unloaded and within 105mV from the rail with 600load at
1.8V supply. The LMV931/LMV932/LMV934 are optimized to
work at 1.8V which make them ideal for portable two-cell
battery powered systems and single cell Li-Ion systems.
LMV931/LMV932/LMV934 exhibit excellent speed-power ra-
tio, achieving 1.4MHz gain bandwidth product at 1.8V supply
voltage with very low supply current. The LMV931/LMV932/
LMV934 are capable of driving a 600load and up to
1000pF capacitive load with minimal ringing. LMV931/
LMV932/LMV934 have a high DC gain of 101dB, making
them suitable for low frequency applications.
The single LMV931 is offered in space saving SC70-5 and
SOT23-5 packages. The dual LMV932 are in MSOP-8 and
SOIC-8 packages and the quad LMV934 are in TSSOP-14
and SOIC-14 packages. These small packages are ideal
solutions for area constrained PC boards and portable elec-
tronics such as cellular phones and PDAs.
Features
(Typical 1.8V Supply Values; Unless Otherwise Noted)
n Guaranteed 1.8V, 2.7V and 5V specifications
n Output swing
— w/600load
80mV from rail
— w/2kload
30mV from rail
n VCM
n Supply current (per channel)
200mV beyond rails
100µA
n Gain bandwidth product
1.4MHz
n Maximum VOS
n Ultra tiny packages
4.0mV
n Temperature range
−40˚C to 125˚C
Applications
n Consumer communication
n Consumer computing
n PDAs
n Audio pre-amp
n Portable/battery-powered electronic equipment
n Supply current monitoring
n Battery monitoring
Typical Application
© 2002 National Semiconductor Corporation DS200326
200326H0
www.national.com


National Semiconductor Electronic Components Datasheet

LMV931 Datasheet

1.8V / RRIO Operational Amplifiers

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)
Machine Model
Human Body Model
Differential Input Voltage
Supply Voltage (V+–V )
Output Short Circuit to V+ (Note 3)
Output Short Circuit to V(Note 3)
Storage Temperature Range
Junction Temperature (Note 4)
Mounting Temp.
200V
2000V
± Supply Voltage
5.5V
−65˚C to 150˚C
150˚C
Infrared or Convection (20 sec)
235˚C
Operating Ratings (Note 1)
Supply Voltage Range
Temperature Range
Thermal Resistance (θJA)
SC70-5
SOT23-5
MSOP-8
SOIC-8
TSSOP-14
SOIC-14
1.8V to 5.0V
−40˚C to 125˚C
414˚C/W
265˚C/W
235˚C/W
175˚C/W
155˚C/W
127˚C/W
1.8V DC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for TJ = 25˚C. V+ = 1.8V, V = 0V, VCM = V+/2, VO = V+/2 and
RL > 1 M. Boldface limits apply at the temperature extremes. See (Note 10)
Symbol
Parameter
Condition
Min Typ Max
(Note 6) (Note 5) (Note 6)
VOS Input Offset Voltage
LMV931 (Single)
14
6
LMV932 (Dual)
1 5.5
LMV934 (Quad)
7.5
TCVOS
Input Offset Voltage Average
Drift
5.5
IB Input Bias Current
15 35
50
IOS Input Offset Current
13 25
40
IS Supply Current (per channel)
103 185
205
CMRR
Common Mode Rejection
Ratio
LMV931, 0 VCM 0.6V
1.4V VCM 1.8V (Note 8)
LMV932 and LMV934
60 78
55
55 76
PSRR Power Supply Rejection
0 VCM 0.6V
1.4V VCM 1.8V (Note 8)
−0.2V VCM 0V
1.8V VCM 2.0V
1.8V V+ 5V
50
50 72
75 100
Ratio
70
CMVR
Input Common-Mode Voltage For CMRR
Range
Range 50dB
TA = 25˚C
TA −40˚C to
85˚C
V−0.2
V
−0.2 to 2.1
V+ +0.2
V+
TA = 125˚C
V+0.2
V+ −0.2
AV Large Signal Voltage Gain RL = 600to 0.9V,
77 101
LMV931 (Single)
VO = 0.2V to 1.6V, VCM = 0.5V
73
RL = 2kto 0.9V,
80 105
VO = 0.2V to 1.6V, VCM = 0.5V
75
Large Signal Voltage Gain RL = 600to 0.9V,
75 90
LMV932 (Dual)
VO = 0.2V to 1.6V, VCM = 0.5V
72
LMV934 (Quad)
RL = 2kto 0.9V,
78 100
VO = 0.2V to 1.6V, VCM = 0.5V
75
Units
mV
mV
µV/˚C
nA
nA
µA
dB
dB
V
dB
dB
www.national.com
2


Part Number LMV931
Description 1.8V / RRIO Operational Amplifiers
Maker National Semiconductor
Total Page 19 Pages
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