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LMC272 CMOS Dual Low Cost Rail to Rail Output Operational Amplifier

December 1996

LMC272

CMOS Dual Low Cost Rail to Rail Output Operational

Amplifier

General Description

The LMC272 is a CMOS dual operational amplifier with

rail-to-rail output swing and an input common voltage range

that extends below the negative supply. Other performance

characteristics include low voltage operation, low bias cur-

rent, excellent channel-to-channel isolation, good bandwidth

performance and a competitive price.

These devices are available in MSOP package which is

about half the size of a SO-8 device. This enables the de-

signer to fit the device in extremely small applications.

The LMC272C is a direct replacement for TLC272C with per-

formance which meets or exceeds the TLC272C鈥檚 guaran-

teed limits in the commercial temperature range when oper-

ating from a supply of 2.7V to 15V (see Electrical

Characteristics table for details).

These features make this cost effective device ideal for new

designs as well as for upgrading existing designs. Applica-

tions include hand-held analytic instruments, transducer am-

plifiers, sample and hold circuits, etc.

Features

(Typical unless otherwise noted) V

S

= 5V, T

A

= 25藲C

n

Output Swing to within 60 mV of supply rail (10 k鈩?load)

n

High voltage gain: 90 dB

n

Unity gain-bandwidth: 2.0 MHz

n

Wide supply voltage: 2.7V to 15V

n

Characterized for: 2.7V, 5V, 10V

n

Low supply current: 0.975 mA/amplifier

n

Input voltage range: 鈭?.3V to 4.2V

Applications

n

n

n

n

n

Portable instruments

Upgrade for TLC272C and TS272C

Photodetector preamplifiers

D/A converters

Filters

Connection Diagram

DS012867-1

Top View

Ordering Information

Package

8-pin Molded DIP

8-pin SO-8

MSOP

Ordering

Information

LMC272CN

LMC272CM

LMC272CMX

LMC272CMM

LMC272CMMX

NSC Drawing

Number

N08E

M08A

M08A

MUA08A

MUA08A

Package

Marking

LMC272CN

LMC272CM

LMC272CM

A07

A07

Rails

Rails

2.5k Tape and Reel

Rails

3k Tape and Reel

Supplied as

漏 1999 National Semiconductor Corporation

DS012867

www.national.com

next

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