LMC6494AEM National Semiconductor, LMC6494AEM Datasheet
LMC6494AEM
Manufacturer Part Number
LMC6494AEM
Description
IC,Operational Amplifier,QUAD,CMOS,SOP,14PIN,PLASTIC
Manufacturer
National Semiconductor
Specifications of LMC6494AEM
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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© 2004 National Semiconductor Corporation
LMC6492 Dual/LMC6494 Quad
CMOS Rail-to-Rail Input and Output Operational
Amplifier
General Description
The LMC6492/LMC6494 amplifiers were specifically devel-
oped for single supply applications that operate from −40˚C
to +125˚C. This feature is well-suited for automotive systems
because of the wide temperature range. A unique design
topology enables the LMC6492/LMC6494 common-mode
voltage range to accommodate input signals beyond the
rails. This eliminates non-linear output errors due to input
signals exceeding a traditionally limited common-mode volt-
age range. The LMC6492/LMC6494 signal range has a high
CMRR of 82 dB for excellent accuracy in non-inverting circuit
configurations.
The LMC6492/LMC6494 rail-to-rail input is complemented
by rail-to-rail output swing. This assures maximum dynamic
signal range which is particularly important in 5V systems.
Ultra-low input current of 150 fA and 120 dB open loop gain
provide high accuracy and direct interfacing with high imped-
ance sources.
Connection Diagrams
8-Pin DIP/SO
Top View
DS012049
01204901
Features
(Typical unless otherwise noted)
n Rail-to-Rail input common-mode voltage range,
n Rail-to-Rail output swing within 20 mV of supply rail,
n Operates from 5V to 15V supply
n Excellent CMRR and PSRR
n Ultra low input current 150 fA
n High voltage gain (R
n Low supply current (
n Low offset voltage drift 1.0 µV/˚C
Applications
n Automotive transducer amplifier
n Pressure sensor
n Oxygen sensor
n Temperature sensor
n Speed sensor
guaranteed over temperature
100 kΩ load
14-Pin DIP/SO
@
L
Top View
= 100 kΩ) 120 dB
V
S
= 5V) 500 µA/Amplifier
82 dB
www.national.com
01204902
August 2000
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