LM432 datasheet(1/3 Pages) NSC

Part #	LM432

Description	Dual Op Amp with On-Chip Fixed 2.5V Reference

PDF	3 Pages

Scroll/Zoom	100%

Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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LM432

Dual Op Amp with On-Chip Fixed 2.5V Reference

General Description

The LM432 integrates two operational amplifiers and one

2.5V reference. The reference is based on the LMV431

adjustable shunt regulator with the output voltage adjusted

to a fixed 2.5V. The Op Amps are similar to the LM358 with

a common-mode input range that includes ground. Integrat-

ing the reference and Op Amps creates a solution for low

cost charging applications.

Applications

n

Low cost charging circuitry

n

Power supplies and adapters

Features

Dual Op Amp Circuitry

(Typical for V

S= 5V)

n

Input offset voltage

0.6mV

n

Input offset current

1nA

n

Input bias current

3nA

n

Common-mode input voltage range

0V to V

S−1V

n

Power supply current

150µA

Reference Circuitry

n

Reference voltage

2.5V

n

Reference voltage deviation (−40˚C to 85˚C)

4mV

n

Sink Current Capability

0.2mA to 10mA

Connection Diagram

8-Pin SOIC

10139001

Top View

Application Circuit

10139002

Optocoupler Driver Circuit for Power Supply Isolation

Ordering Information

Package

Part Number

Package Marking

Transport Media

NSC

Drawing

8-Pin SOIC

LM432MA

Rails

M08A

LM432MAX

LM432MA

2.5k Unit Tape and Reel

July 2001

DS101390

www.national.com

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LM432 Datasheet(PDF) 1 Page - National Semiconductor (TI)

LM432 Datasheet(HTML) 1 Page - National Semiconductor (TI)

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