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LMV712 Datasheet

Low Power / Low Noise / High Output / RRIO Dual Operational Amplifier with Independent Shutdown

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February 2002
LMV712
Low Power, Low Noise, High Output, RRIO Dual
Operational Amplifier with Independent Shutdown
General Description
The LMV712 duals are high performance BiCMOS opera-
tional amplifiers intended for applications requiring
Rail-to-Rail inputs combined with speed and low noise. They
offer a bandwidth of 5MHz and a slew rate of 5V/µs and can
handle capacitive loads of up to 200pF without oscillation.
The LMV712 offers two independent shutdown pins. This
feature allows disabling of each device separately and re-
duces the supply current to less than 1µA typical. The output
voltage rapidly ramps up smoothly with no glitch as the
amplifier comes out of the shutdown mode.
The LMV712 with the shutdown feature is offered in space
saving 10-Bump micro SMD and 10 pin Leadless Leadframe
Package (LLP) packages. It is also offered in 10 lead MSOP
package. These packages are designed to meet the de-
mands of small size, low power, and low cost required by
cellular phones and similar battery operated portable elec-
tronics.
Features
(Typical Unless Otherwise Noted)
n 5 MHz GBP
n Slew rate 5 V/µs
n Low noise 20nV/
n Supply current 1.22mA/channel
n VOS< 3mV max.
n Low supply voltage 2.7V to 5V.
n Rail-to-Rail inputs and outputs.
n Unity gain stable.
n Small package: 10-Pin LLP, 10-Pin MSOP and 10-Bump
micro SMD
n 1.5µA shutdown ICC
n 2.2µs turn on
Applications
n Power amplifier control loop
n Cellular phones
n Portable equipment
n Wireless LAN
n Radio systems
n Cordless phones
Typical Application Circuit
Output Waveform vs. Shutdown
Pulse
P.A. Control Loop
10137034
© 2002 National Semiconductor Corporation DS101370
10137030
www.national.com


National Semiconductor Electronic Components Datasheet

LMV712 Datasheet

Low Power / Low Noise / High Output / RRIO Dual Operational Amplifier with Independent Shutdown

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
Voltage at Input/Output Pin
Supply Voltage (V+ - V)
Output Short Circuit V+
Output Short Circuit V
Current at Input Pin
Current at Output Pin
Storage Temp Range
150V
1.5kV
±Supply Voltage
(V+) +0.4V to (V) −0.4V
5.5V
(Note 3)
(Note 3)
±10mA
±50mA
−65˚C to 150˚C
Mounting Temperature
Infrared or Convection (20
sec)
Junction Temperature TJMAX
(Note 4)
235˚C
150˚C
Recommended Operating
Conditions (Note 1)
Supply Voltage
Temperature Range
Thermal Resistance
10-Pin MSOP
10-Pin LLP
10-Bump micro SMD
2.7V to 5V
−40˚C TJ 85˚C
235˚C/W
53.4˚C/W
196˚C/W
2.7V Electrical Characteristics Unless otherwise specified, all limits guaranteed for V+ = 2.7V, V = 0V,
VCM = 1.35V and TA = 25˚C and RL > 1M. Boldface limits apply at the temperature extremes.
Symbol
Parameter
VOS
IB
CMRR
Input Offset Voltage
Input Bias Current
Common Mode Rejection Ratio
PSRR Power Supply Rejection Ratio
CMVR Common Mode Voltage Range
ISC Output Short Circuit Current
VO Output Swing
VO(SD)
IS
Output Voltage in Shutdown
Supply Current per Channel
Condition
VCM = 0.85V and
VCM = 1.85V
0V VCM 2.7V
2.7V V+ 5V,
VCM = 0.85V
2.7V V+ 5V,
VCM = 1.85V
For CMRR 50dB
Sourcing
VO = 0V
Sinking
VO = 2.7V
RL = 10kto 1.35V
RL = 600to 1.35V
On Mode
Shutdown Mode
Min
(Note 6)
50
45
70
68
70
68
2.9
15
12
25
22
2.62
2.60
2.52
2.50
Typ
(Note 5)
0.4
5.5
75
Max
(Note 6)
3
3.2
115
130
90
90
−0.3 −0.2
3
25
50
2.68
0.01 0.12
0.15
2.55
0.05
10
1.22
0.12
0.23
0.30
200
1.7
1.9
1.5
2.0
Units
mV
pA
dB
dB
dB
V
V
mA
mA
V
V
V
V
mV
mA
uA
www.national.com
2


Part Number LMV712
Description Low Power / Low Noise / High Output / RRIO Dual Operational Amplifier with Independent Shutdown
Maker National Semiconductor
Total Page 14 Pages
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