LPC661AI National Semiconductor Corporation, LPC661AI Datasheet

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LPC661AI

Manufacturer Part Number
LPC661AI
Description
LPC661 - Low Power CMOS Operational Amplifier, Package: Soic Narrow, Pin Nb=8
Manufacturer
National Semiconductor Corporation
Datasheet

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© 2000 National Semiconductor Corporation
LPC661
Low Power CMOS Operational Amplifier
General Description
The LPC661 CMOS operational amplifier is ideal for opera-
tion from a single supply. It features a wide range of operat-
ing supply voltage from +5V to +15V, rail-to-rail output swing
and an input common-mode range that includes ground.
Performance limitations that have plagued CMOS amplifiers
in the past are not a problem with this design. Input V
drift, and broadband noise as well as voltage gain (into 100
k
bipolar equivalents, while the supply current requirement is
typically 55 µA.
This chip is built with National’s advanced Double-Poly
Silicon-Gate CMOS process.
See the LPC660 datasheet for a Quad CMOS operational
amplifier or the LPC662 data sheet for a Dual CMOS opera-
tional amplifier with these same features.
Features
(Typical unless otherwise noted)
n Rail-to-rail output swing
Application Circuits
f
Q = 2.1
Gain = 18.9 dB
O
= 10 Hz
and 5 k ) are all equal to or better than widely accepted
10 Hz Bandpass Filter
DS011227
DS011227-21
OS
,
n Low supply current
n Specified for 100 k
n High voltage gain 120 dB
n Low input offset voltage 3 mV
n Low offset voltage drift 1.3 µV/˚C
n Ultra low input bias current 2 fA
n Input common-mode range includes GND
n Operating range from +5V to +15V
n Low distortion 0.01% at 1 kHz
n Slew rate 0.11 V/µs
Applications
n High-impedance buffer
n Precision current-to-voltage converter
n Long-term integrator
n High-impedance preamplifier
n Active filter
n Sample-and-Hold circuit
n Peak detector
(Maximally Flat, Dual Supply Only)
1 Hz Low-Pass Filter
and 5 k
55 µA
loads
www.national.com
DS011227-23
August 2000

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