ZXRE125DF datasheet(1/4 Pages) ZETEX

Part #	ZXRE125DF

Description	SOT23 MICROPOWER 1.22V VOLTAGE REFERENCE

PDF	4 Pages

Scroll/Zoom	100%

Manufacturer	ZETEX [Zetex Semiconductors]

Direct Link	http://www.diodes.com/

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1 / 4 page

FEATURES

• High performance replacement for ZRA124 and

ZRA125 references

• Small outline SOT23

• SO8 and E-Line alternatives available

• 30µA knee current

• 20ppm/°C typical temperature coefficient

• Unconditionally stable

• 0.5%, 1%, 2% and 3% tolerance

• Contact Zetex marketing for availability of tighter

tolerance devices

APPLICATIONS

• Battery powered equipment

• Precision power supplies

• Portable instrumentation

• Portable communications devices

• Notebook and palmtop computers

• Data acquisition systems

• A/D and D/A converters

• Test equipment

DESCRIPTION

The ZXRE125 is a bandgap circuit designed to achieve

a precision micropower voltage reference of 1.22

volts. The device is available in the small outline

SOT23 surface mount package which is ideal for

applications where space saving is important.

SOT23 tolerance is available to 0.5% for precision

applications. Excellent performance is maintained

over the 30

µA to 5mA operating current range with a

typical temperature coefficient of only 20ppm/°C. The

device has been designed to be highly tolerant of

capacitive loads so maintaining excellent stability.

This device offers a SOT23 pin for pin compatible

replacement of the ZRA124 and ZRA125 series of

voltage references. SO8 and E-Line (TO92 style)

packages can also be made available.

VR

Gnd

SOT23 MICROPOWER 1.22V VOLTAGE REFERENCE

1

1.5V

4k7

1.22V

SCHEMATIC DIAGRAM

APPLICATIONS CIRCUIT

Low quiescent reference from a 1.5V battery source.

ZXRE125

ISSUE 4 - JANUARY 2002

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