Datasheet > ZRA125R03

ZRA125R03

更新时间： 2024-10-31 23:35:43

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Voltage Reference

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数据手册

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ZRA125R03 数据手册

PRECISION 1.25 VOLT

MICROPOWER VOLTAGE REFERENCE

ISSUE 3 - FEBRUARY 1998

ZRA125

DEVICE DESCRIPTION

FEATURES

The ZRA125 uses a bandgap circuit design to

achieve a precision micropower voltage

reference of 1.25 volts. The device is

available in small outline surface mount

packages, ideal for applications where space

saving is important, as well as packages for

through hole requirements.

Small outline SOT23, SO8 and TO92

style packages

•

No stabilising capacitor required

Typical T_C30ppm/°C

•

Typical slope resistance 0.65Ω

± 3%,2% and 1% tolerance

The ZRA125 design provides a stable voltage

without an external capacitor and is stable

with capacitive loads. The ZRA125 is

recommended for operation between 50µA

and 5mA and so is ideally suited to low

power and battery powered applications.

Industrial temperature range

Operating current 50µA to 5mA

Transient response, stable in less than 10µs

Optional extended current range

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.

Battery powered and portable

equipment.

•

Metering and measurement systems.

•

Instrumentation.

•

Data acquisition systems.

•

Precision power supplies.

•

Test equipment.

•

SCHEMATIC DIAGRAM

G_nd

4-222

12 3 4 5

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