Datasheet > ZRT040C2

ZRT040C2

更新时间： 2024-09-23 20:28:35

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ZRT040C2 数据手册

4.0V LOW POWER

PRECISION REFERENCE SOURCE

ISSUE 2 - OCTOBER 1997

ZRT040

DEVICE DESCRIPTION

FEATURES

The ZRT040 is a monolithic integrated circuit

providing a precise stable reference voltage

of 4.01V at 500µA.

Trimmable output

•

Excellent temperature stability

Low output noise figure

•

The circuit features a knee current of 150µA

and operation over a wide range of

temperatures and currents.

Available in three temperature ranges

1 and 2% initial voltage tolerance

versions available

The ZRT040 is available in a 3-pin metal can

package for through hole applications as

well as SOT223 and SO8 packages for

surface mount applications. Each package

option offers a trim facility whereby the

output voltage can be adjusted as shown in

Fig.1. 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.

No external stabilising capacitor

required in most cases

•

Low slope resistance

TO18 package

•

SOT223 and SO8 small outline

packages

SCHEMATIC DIAGRAM

V^R

V^CC

R=V^CC-V^R

I^R

R^T=100k

(Optional trim facility)

G^nd

Figure 1:

This circuit will allow the reference to be

trimmed over a wide range. The device is

specified over a Ϯ5% trim range.

4-283

12 3 4

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