ZR423 datasheet, PDF - EEWORLD Datasheet

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ZR423: Description1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.25 V, PSIP2; Categoryaccessories; File Size60KB，4 Pages; ManufacturerDiodes; Websitehttp://www.diodes.com/

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ZR423 Overview

1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.25 V, PSIP2

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PRECISION 1.25 VOLT

MICROPOWER VOLTAGE REFERENCE

ISSUE 3 - FEBRUARY 1998

DEVICE DESCRIPTION

The ZR423 uses a bandgap circuit design to

achieve a precision micropower voltage

reference of 1.25 volts. The device is

available in a TO92 style package for through

hole requirements.

The ZR423 design provides a stable voltage

without an external capacitor and is stable

wi th capaci tive loads. The ZR423 is

recommended for operation between 50µA

and 5mA and so is ideally suited to low

power and battery powered applications.

Excellent performance is maintained to an

absolute maximum of 25mA, however the

rugged design and 20 volt processing allows

the reference to withstand transient effects

and currents up to 200mA. Superior

switching capability allows the device to

reach stable operating conditions in only a

few microseconds.

ZR423

FEATURES

•

TO92 style package

No stabilising capacitor required

Typical T

30ppm/°C

Typical slope resistance 0.65Ω

3% tolerance

Industrial temperature range (Military

temperature range available on request)

Operating current 50µA to 5mA

Transient response, stable in less than

10µs

Alternative package options and

tolerances available

APPLICATIONS

Battery powered and portable

equipment.

Metering and measurement systems.

Instrumentation.

Data acquisition systems.

Precision power supplies.

SCHEMATIC DIAGRAM

4-185

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