ZRT040B1 ZETEX [Zetex Semiconductors], ZRT040B1 Datasheet

ZRT040B1

Manufacturer Part Number

ZRT040B1

Description

4.0V LOW POWER PRECISION REFERENCE SOURCE

Manufacturer

ZETEX [Zetex Semiconductors]

Datasheet

1.ZRT040B1.pdf (4 pages)

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4.0V LOW POWER

PRECISION REFERENCE SOURCE

ISSUE 2 - OCTOBER 1997

DEVICE DESCRIPTION

The ZRT040 is a monolithic integrated circuit

providing a precise stable reference voltage

of 4.01V at 500 A.

The circuit features a knee current of 150 A

and operation over a wide range of

temperatures and currents.

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

F i g . 1. Thi s f a ci l i t y i s u sed w he n

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.

SCHEMATIC DIAGRAM

Figure 1:

This circuit will allow the reference to be

trimmed over a wide range. The device is

specified over a

R=V

-V

5% trim range

(Optional trim facility)

=100k

4-283

FEATURES

Trimmable output

Excellent temperature stability

Low output noise figure

Available in three temperature ranges

1 and 2% initial voltage tolerance

versions available

No external stabilising capacitor

required in most cases

Low slope resistance

TO18 package

SOT223 and SO8 small outline

packages

ZRT040

Related parts for ZRT040B1

ZRT040B1 Summary of contents

Page 1

LOW POWER PRECISION REFERENCE SOURCE ISSUE 2 - OCTOBER 1997 DEVICE DESCRIPTION The ZRT040 is a monolithic integrated circuit providing a precise stable reference voltage of 4.01V at 500 A. The circuit features a knee current of 150 A ...

Page 2

ZRT040 ABSOLUTE MAXIMUM RATING Reverse Current Operating Temperature A grade B grade C grade Storage Temperature TO18 SO8, SOT223 -55 °C to 125 °C TEMPERATURE DEPENDENT ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER V Output voltage R change over relevant temperature range (See ...

Page 3

TYPICAL CHARACTERISTICS NOTES (a) Output change with temperature. (V The absolute maximum difference between the maximum output voltage and the minimum output voltage over the specified temperature range max min (b) Output temperature coefficient ...

Page 4

... TO18 ZRT040GC2 2 C SOT223 ZRT040C2 ZRT040GC1 1 C SOT223 ZRT040C1 ZRT040GB2 2 B SOT223 ZRT040B2 ZRT040GB1 1 B SOT223 ZRT040B1 ZRT040GA1 1 A SOT223 ZRT040A1 TO18 Package Suffix – None Bottom View – Case is internally connected to pin 3 Part No Tol% Gra- ZRT040C2 ZRT040N8C2 2 ZRT040C1 ZRT040N8C1 1 ZRT040B2 ...

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