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LMV831 Datasheet

(LMV831 - LMV834) EMI Hardened Operational Amplifiers

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October 6, 2008
LMV831 Single/ LMV832 Dual/ LMV834 Quad
3.3 MHz Low Power CMOS, EMI Hardened Operational
Amplifiers
General Description
National’s LMV831, LMV832, and LMV834 are CMOS input,
low power op amp IC's, providing a low input bias current, a
wide temperature range of −40°C to 125°C and exceptional
performance making them robust general purpose parts. Ad-
ditionally, the LMV831/LMV832/LMV834 are EMI hardened
to minimize any interference so they are ideal for EMI sensi-
tive applications.
The unity gain stable LMV831/LMV832/LMV834 feature
3.3 MHz of bandwidth while consuming only 0.24 mA of cur-
rent per channel. These parts also maintain stability for ca-
pacitive loads as large as 200 pF. The LMV831/LMV832/
LMV834 provide superior performance and economy in terms
of power and space usage.
This family of parts has a maximum input offset voltage of
1 mV, a rail-to-rail output stage and an input common-mode
voltage range that includes ground. Over an operating range
from 2.7V to 5.5V the LMV831/LMV832/LMV834 provide a
PSRR of 93 dB, and a CMRR of 91 dB. The LMV831 is offered
in the space saving 5-Pin SC70 package, the LMV832 in the
8-Pin MSOP and the LMV834 is offered in the 14-Pin TSSOP
package.
Features
Unless otherwise noted, typical values at TA= 25°C,
V+ = 3.3V
Supply voltage
Supply current (per channel)
Input offset voltage
Input bias current
GBW
EMIRR at 1.8 GHz
Input noise voltage at 1 kHz
Slew rate
Output voltage swing
Output current drive
Operating ambient temperature range
2.7V to 5.5V
240 µA
1 mV max
0.1 pA
3.3 MHz
120 dB
12 nV/Hz
2 V/µs
Rail-to-Rail
30 mA
−40°C to 125°C
Applications
Photodiode preamp
Piezoelectric sensors
Portable/battery-powered electronic equipment
Filters/buffers
PDAs/phone accessories
Typical Application
EMI Hardened Sensor Application
© 2008 National Semiconductor Corporation 300241
30024101
www.national.com


National Semiconductor Electronic Components Datasheet

LMV831 Datasheet

(LMV831 - LMV834) EMI Hardened Operational Amplifiers

No Preview Available !

www.DataShAeebt4Us.ocolmute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
Junction Temperature (Note 3)
Soldering Information
Infrared or Convection (20 sec)
−65°C to 150°C
150°C
260°C
ESD Tolerance (Note 2)
Human Body Model
Charge-Device Model
Machine Model
VIN Differential
Supply Voltage (VS = V+ – V)
Voltage at Input/Output Pins
2 kV
1 kV
200V
± Supply Voltage
6V
V++0.4V,
V−0.4V
Operating Ratings (Note 1)
Temperature Range (Note 3)
−40°C to 125°C
Supply Voltage (VS = V+ – V)
2.7V to 5.5V
Package Thermal Resistance (θJA (Note 3))
5-Pin SC-70
302°C/W
8-Pin MSOP
217°C/W
14-Pin TSSOP
135°C/W
3.3V Electrical Characteristics (Note 4)
Unless otherwise specified, all limits are guaranteed for at TA = 25°C, V+ = 3.3V, V= 0V, VCM = V+/2, and RL =10 kto V+/2.
Boldface limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Min Typ Max
(Note 6) (Note 5) (Note 6)
Units
VOS Input Offset Voltage
(Note 9)
±0.25
±1.00
±1.23
mV
TCVOS
Input Offset Voltage Temperature Drift
(Notes 9, 10)
LMV831,
LMV832
LMV834
±0.5 ±1.5
μV/°C
±0.5 ±1.7
IB Input Bias Current
(Note 10)
0.1
10
500
pA
IOS
CMRR
Input Offset Current
Common-Mode Rejection Ratio
(Note 9)
0.2V VCM V+ - 1.2V
1
76 91
75
pA
dB
PSRR
EMIRR
Power Supply Rejection Ratio
(Note 9)
EMI Rejection Ratio, IN+ and IN-
(Note 8)
2.7V V+ 5.5V,
VOUT = 1V
VRF_PEAK=100 mVP (−20 dBP),
f = 400 MHz
76 93
75
80
dB
VRF_PEAK=100 mVP (−20 dBP),
f = 900 MHz
VRF_PEAK=100 mVP (−20 dBP),
f = 1800 MHz
90
dB
110
VRF_PEAK=100 mVP (−20 dBP),
f = 2400 MHz
120
CMVR Input Common-Mode Voltage Range CMRR 65 dB
−0.1
2.1 V
AVOL
Large Signal Voltage Gain
(Note 11)
RL = 2 kΩ,
LMV831,
VOUT = 0.15V to 1.65V, LMV832
VOUT = 3.15V to 1.65V LMV834
RL = 10 kΩ,
VOUT = 0.1V to 1.65V,
VOUT = 3.2V to 1.65V
LMV831,
LMV832
LMV834
102
102
102
102
104
104
104
103
121
121
126
123
dB
www.national.com
2


Part Number LMV831
Description (LMV831 - LMV834) EMI Hardened Operational Amplifiers
Maker National Semiconductor
Total Page 20 Pages
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