LPC661 Low Power CMOS Operational Amplifier
May 1998
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
OS
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drift, and broadband noise as well as voltage gain (into 100
k鈩?and 5 k鈩? are all equal to or better than widely accepted
bipolar equivalents, while the supply current requirement is
typically 55 碌A(chǔ).
This chip is built with National鈥檚 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.
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Low supply current 55 碌A(chǔ)
Specified for 100 k鈩?and 5 k鈩?loads
High voltage gain 120 dB
Low input offset voltage 3 mV
Low offset voltage drift 1.3 碌V/藲C
Ultra low input bias current 2 fA
Input common-mode range includes GND
Operating range from +5V to +15V
Low distortion 0.01% at 1 kHz
Slew rate 0.11 V/碌s
Applications
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High-impedance buffer
Precision current-to-voltage converter
Long-term integrator
High-impedance preamplifier
Active filter
Sample-and-Hold circuit
Peak detector
Features
(Typical unless otherwise noted)
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Rail-to-rail output swing
Connection Diagram
8-Pin DIP/SO
DS011227-1
Ordering Information
Package
Temperature Range
Military
鈭?5藲C to +125藲C
8-Pin
Small Outline
8-Pin
Molded DIP
LPC661AMN
Industrial
鈭?0藲C to +85藲C
LPC661AIM
LPC661IM
LPC661AIN
LPC661IN
N08E
M08A
Tape and Reel
Rail
Rail
NSC
Drawing
Transport
Media
漏 1999 National Semiconductor Corporation
DS011227
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