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LMV796 Datasheet

(LMV796 / LMV797) 1.8V Operational Amplifiers

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May 2006
LMV796/LMV797
17 MHz, Low Noise, CMOS Input, 1.8V Operational
Amplifiers
General Description
The LMV796 (Single) and the LMV797 (Dual) low noise,
CMOS input operational amplifiers offer a low input voltage
noise density of 5.8 nV/
while consuming only 1.15 mA
(LMV796) of quiescent current. The LMV796 and LMV797
are unity gain stable op amps and have gain bandwidth of 17
www.DataSheet4U.cMoHmz. The LMV796/ LMV797 have a supply voltage range of
1.8V to 5.5V and can operate from a single supply. The
LMV796/LMV797 each feature a rail-to-rail output stage ca-
pable of driving a 600load and sourcing as much as 60 mA
of current.
The LMV796 family provides optimal performance in low
voltage and low noise systems. A CMOS input stage, with
typical input bias currents in the range of a few femtoAm-
peres, and an input common mode voltage range, which
includes ground, make the LMV796 and the LMV797 ideal
for low power sensor applications.
The LMV796/LMV797 are manufactured using National’s
advanced VIP50 process and are offered in a 5-pin SOT23
and an 8-pin MSOP package respectively.
Features
(Typical 5V supply, unless otherwise noted)
n Input referred voltage noise
5.8 nV/
n Input bias current
100 fA
n Unity gain bandwidth
17 MHz
n Supply current per channel
— LMV796
1.15 mA
— LMV797
1.30 mA
n Rail-to-rail output swing
@ 10 kload
25 mV from rail
@ 2 kload
35 mV from rail
n Guaranteed 2.5V and 5.0V performance
n Total harmonic distortion
0.01% @1 kHz, 600
n Temperature range
−40˚C to 125˚C
Applications
n Photodiode amplifiers
n Active filters and buffers
n Low noise signal processing
n Medical instrumentation
n Sensor interface applications
Typical Application
20183569
Photodiode Transimpedance Amplifier
20183539
Input Referred Voltage Noise vs. Frequency
© 2006 National Semiconductor Corporation DS201835
www.national.com


National Semiconductor Electronic Components Datasheet

LMV796 Datasheet

(LMV796 / LMV797) 1.8V 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)
Human Body Model
Machine Model
VIN Differential
Supply Voltage (V+ – V)
Input/Output Pin Voltage
Storage Temperature Range
Junction Temperature (Note 3)
2000V
200V
±0.3V
6.0V
V+ +0.3V, V−0.3V
−65˚C to 150˚C
+150˚C
Soldering Information
Infrared or Convection (20 sec)
Wave Soldering Lead Temp (10
sec)
235˚C
260˚C
Operating Ratings (Note 1)
Temperature Range (Note 3)
−40˚C to 125˚C
Supply Voltage (V+ – V)
−40˚C TA 125˚C
0˚C TA 125˚C
Package Thermal Resistance (θJA (Note 3))
5-Pin SOT23
2.0V to 5.5V
1.8V to 5.5V
180˚C/W
8-Pin MSOP
236˚C/W
www.DataSheet4U.com
2.5V Electrical Characteristics
Unless otherwise specified, all limits are guaranteed for TA = 25˚C, V+ = 2.5V, V= 0V, VCM = V+/2 = VO. Boldface limits ap-
ply at the temperature extremes.
Symbol
Parameter
Conditions
VOS Input Offset Voltage
TC VOS
IB
IOS
CMRR
PSRR
CMVR
AVOL
Input Offset Average Drift
Input Bias Current
Input Offset Current
Common Mode Rejection
Ratio
Power Supply Rejection
Ratio
Input Common-Mode Voltage
Range
Large Signal Voltage Gain
LMV796 (Note 6)
LMV797 (Note 6)
VCM = 1.0V
(Notes 7, 8)
(Note 8)
0V VCM 1.4V
−40˚C TA 85˚C
−40˚C TA
125˚C
2.0V V+ 5.5V, VCM = 0V
1.8V V+ 5.5V, VCM = 0V
CMRR 60 dB
CMRR 55 dB
VOUT = 0.15V to 2.2V,
RLOAD = 2 kto V+/2
LMV796
LMV797
VOUT Output Swing High
Output Swing Low
VOUT = 0.15V to 2.2V,
RLOAD = 10 kto V+/2
RLOAD = 2 kto V+/2
RLOAD = 10 kto V+/2
RLOAD = 2 kto V+/2
RLOAD = 10 kto V+/2
Min
(Note 5)
80
75
80
75
80
−0.3
-0.3
85
80
82
78
88
84
Typ
(Note 4)
0.1
−1.0
−1.8
0.05
0.05
10
94
100
98
98
92
110
25
20
30
15
Max
(Note 5)
±1.35
±1.65
1
25
1
100
1.5
1.5
75
82
65
71
75
78
65
67
Units
mV
µV/˚C
pA
fA
dB
dB
V
dB
mV from
rail
www.national.com
2


Part Number LMV796
Description (LMV796 / LMV797) 1.8V Operational Amplifiers
Maker National Semiconductor
Total Page 19 Pages
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