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MICROCIRCUIT DATA SHEET

MNLM185B-X REV 0B0

Original Creation Date: 08/15/95

Last Update Date: 02/25/03

Last Major Revision Date: 08/15/95

ADJUSTABLE MICROPOWER VOLTAGE REFERENCE

General Description

The LM185B is a micropower 3-terminal adjustable band-gap voltage reference diode.

Operating from 1.24 to 5.3V and over a 10 uA to 20 mA current range, it features

exceptionally low dynamic impedance and good temperature stability. On-chip trimming is

used to provide tight voltage tolerance. Since the LM185B band-gap reference uses only

transistors and resistors, low noise and good long-term stability result.

Careful design of the LM185B has made the device tolerant of capacitive loading, making it

easy to use in almost any reference application. The wide dynamic operating range allows

its use with widely varying supplies with excellent regulation.

The extremely low power drain of the LM185B makes it useful for micropower circuitry. This

voltage reference can be used to make portable meters, regulators or general purpose

analog circuitry with battery life approaching shelf life. Further, the wide operating

current allows it to replace older references with a tighter tolerance part.

Industry Part Number

LM185B

NS Part Numbers

LM185BE/883

LM185BH/883

Prime Die

LM185

Processing

MIL-STD-883, Method 5004

Subgrp Description

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2

3

4

5

6

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8A

8B

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Static tests at

Static tests at

Static tests at

Dynamic tests at

Dynamic tests at

Dynamic tests at

Functional tests at

Functional tests at

Functional tests at

Switching tests at

Switching tests at

Switching tests at

Temp (

o

C)

+25

+125

-55

+25

+125

-55

+25

+125

-55

+25

+125

-55

Quality Conformance Inspection

MIL-STD-883, Method 5005

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