LMC6081AMN NSC [National Semiconductor], LMC6081AMN Datasheet

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LMC6081AMN

Manufacturer Part Number
LMC6081AMN
Description
Precision CMOS Single Operational Amplifier
Manufacturer
NSC [National Semiconductor]
Datasheet
© 1999 National Semiconductor Corporation
LMC6081
Precision CMOS Single Operational Amplifier
General Description
The LMC6081 is a precision low offset voltage operational
amplifier, capable of single supply operation. Performance
characteristics include ultra low input bias current, high volt-
age gain, rail-to-rail output swing, and an input common
mode voltage range that includes ground. These features,
plus its low offset voltage, make the LMC6081 ideally suited
for precision circuit applications.
Other applications using the LMC6081 include precision
full-wave
sample-and-hold circuits.
This device is built with National’s advanced Double-Poly
Silicon-Gate CMOS process.
For designs with more critical power demands, see the
LMC6061 precision micropower operational amplifier.
For a dual or quad operational amplifier with similar features,
see the LMC6082 or LMC6084 respectively.
PATENT PENDING
Connection Diagram
Ordering Information
rectifiers,
8-Pin
Molded DIP
8-Pin
Small Outline
Package
integrators,
−55˚C to +125˚C
LMC6081AMN
DS011423
references,
Military
Temperature Range
8-Pin DIP/SO
and
LMC6081AIN
LMC6081IN
LMC6081AIM
LMC6081IM
−40˚C to +85˚C
Top View
Industrial
Features
(Typical unless otherwise stated)
n Low offset voltage:
n Operates from 4.5V to 15V single supply
n Ultra low input bias current: 10 fA
n Output swing to within 20 mV of supply rail, 100k load
n Input common-mode range includes V
n High voltage gain: 130 dB
n Improved latchup immunity
Applications
n Instrumentation amplifier
n Photodiode and infrared detector preamplifier
n Transducer amplifiers
n Medical instrumentation
n D/A converter
n Charge amplifier for piezoelectric transducers
DS011423-1
Drawing
M08A
N08E
NSC
150 µV
Tape and Reel
Transport
Media
Rail
Rail
November 1994
www.national.com

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LMC6081AMN Summary of contents

Page 1

... For a dual or quad operational amplifier with similar features, see the LMC6082 or LMC6084 respectively. PATENT PENDING Connection Diagram Ordering Information Package −55˚C to +125˚C 8-Pin LMC6081AMN Molded DIP 8-Pin Small Outline © 1999 National Semiconductor Corporation DS011423 Features (Typical unless otherwise stated) n Low offset voltage: n Operates from 4 ...

Page 2

Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Differential Input Voltage Voltage at Input/Output Pin + − Supply Voltage (V − Output Short Circuit ...

Page 3

DC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T > 1.5V 2.5V and R 1M unless otherwise specified Symbol Parameter + = 5V V Output Swing ...

Page 4

AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T > 1.5V 2.5V and Symbol Parameter SR Slew Rate (Note 8) GBW Gain-Bandwidth Product Phase Margin ...

Page 5

Typical Performance Characteristics specified (Continued) Input Bias Current vs Temperature DS011423-18 Common Mode Rejection Ratio vs Frequency DS011423-21 Output Characteristics Sourcing Current DS011423-24 ± 25˚C, Unless otherwise V 7.5V Supply Current vs Supply Voltage DS011423-19 ...

Page 6

Typical Performance Characteristics specified (Continued) Gain and Phase Response vs Capacitive Load = 600 with R L DS011423-27 Inverting Small Signal Pulse Response DS011423-30 Non-Inverting Large Signal Pulse Response DS011423-33 Applications Hints AMPLIFIER TOPOLOGY The LMC6081 incorporates a novel op-amp ...

Page 7

Applications Hints (Continued) Although the LMC6081 is highly stable over a wide range of operating conditions, certain precautions must be met to achieve the desired pulse response when a large feedback resistor is used. Large feedback resistors and even small ...

Page 8

Applications Hints (Continued) ure have a significant effect, guard rings should be placed on both the top and bottom of the PC board. This PC foil must then be connected to a voltage which is at the ...

Page 9

Latchup (Continued) rent required to trigger the SCR gate lead. The LMC6061 and LMC6081 are designed to withstand 100 mA surge cur- rent on the I/O pins. Some resistive method should be used to isolate any capacitance from supplying excess ...

Page 10

Typical Single-Supply Applications (Continued) www.national.com DS011423-13 FIGURE Square Wave Oscillator 10 ...

Page 11

... Physical Dimensions inches (millimeters) unless otherwise noted Order Number LMC6081AIM or LMC6081IM Order Number LMC6081AIN, LMC6081AMN or LMC6081IN 8-Pin Small Outline Package NS Package Number M08A 8-Pin Molded Dual-In-Line Package NS Package Number N08E 11 www.national.com ...

Page 12

LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DE- VICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMI- CONDUCTOR CORPORATION. As used herein: 1. Life support devices ...

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