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ZRT040

4.01V LOW POWER PRECISION REFERENCE SOURCE

ZRT040

Document number: DS33258 Rev. 5 - 2

1 of 5

www.diodes.com

February 2011

Description

The ZRT040 is a monolithic integrated circuit providing a

precise stable reference voltage of 4.01V at 500μA.

The circuit features a knee current of 150μA and operation

over a wide range of temperatures and currents.

The ZRT040 is available in a SOT223 package for surface

mount applications. This device offers a trim facility whereby

the output voltage can be adjusted as shown in the

schematic diagram. This facility is used when compensating

for system errors or setting the reference output to a

particular value. When the trim facility is not used, the pin

should be left open circuit.

Pin Assignments

SOT223

Top View

(Pin 4 floating or

connected to pin 2)

Features

• Trimmable output

• Excellent temperature stability

• Low output noise figure

• -40 to 85°C operating temperature range

• 1% initial voltage tolerance

• No external stabilizing capacitor required in most cases

• Low slope resistance

• No derating required at low temperatures

• SOT223 package

Schematic Diagram

This circuit will allow the reference to be trimmed over a wide range. The device is specified over a ±5% trim range.

RIM

GND

1 2 3 4 5

Sommario

ZRT0404.01V LOW POWER PRECISION REFERENCE SOURCE ZRT040 Document number: DS33258 Rev. 5 - 2 1 of 5 www.diodes.com February 2011 © Diodes Incorporat

Pagina 2

ZRT0404.01V LOW POWER PRECISION REFERENCE SOURCE ZRT040 Document number: DS33258 Rev. 5 - 2 2 of 5 www.diodes.com February 2011 © Diodes Incorporat

Pagina 3 - Typical Characteristics

ZRT0404.01V LOW POWER PRECISION REFERENCE SOURCE ZRT040 Document number: DS33258 Rev. 5 - 2 3 of 5 www.diodes.com February 2011 © Diodes Incorporat

Pagina 4 - Ordering Information

ZRT0404.01V LOW POWER PRECISION REFERENCE SOURCE ZRT040 Document number: DS33258 Rev. 5 - 2 4 of 5 www.diodes.com February 2011 © Diodes Incorporat

Pagina 5

ZRT0404.01V LOW POWER PRECISION REFERENCE SOURCE ZRT040 Document number: DS33258 Rev. 5 - 2 5 of 5 www.diodes.com February 2011 © Diodes Incorporat

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