LM169BH National Semiconductor, LM169BH Datasheet

LM169BH

Manufacturer Part Number

LM169BH

Description

Precision Voltage Reference

Manufacturer

National Semiconductor

Datasheet

1.LM169BH.pdf (14 pages)

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C 1995 National Semiconductor Corporation

LM169 LM369 Precision Voltage Reference

General Description

The LM169 LM369 are precision monolithic temperature-

compensated voltage references They are based on a bur-

ied zener reference as pioneered in the LM199 references

but do not require any heater as they rely on special tem-

perature-compensation techniques (Patent Pending) The

LM169 makes use of thin-film technology enhanced by the

discrete laser trimming of resistors to achieve excellent

Temperature coefficient (Tempco) of V

ppm C) along with tight initial tolerances (as low as 0 05%

max) The trim scheme is such that individual resistors are

cut open rather than being trimmed (partially cut) to avoid

resistor drift caused by electromigration in the trimmed area

The LM169 also provides excellent stability vs changes in

input voltage and output current (both sourcing and sinking)

The devices have a 10 000V output and will operate in ei-

ther series or shunt mode the output is short-circuit-proof to

ground A trim pin is available which permits fine-trimming of

put noise by adding a small capacitor (0 05 to 0 5 F)

Connection Diagrams

Teflon and Mylar are registered trademarks of E I DuPont Corp

out

and also permits filtering to greatly decrease the out-

Do not connect internal connection for factory trims

LM169H 883 LM369H or LM369BH

Order Number LM169H LM169BH

See NS Package Number H08C

Metal Can Package (H)

(Case is connected to ground )

Top View

TL H 9110

out

(as low as 1

TL H 9110– 1

Features

Applications

part number marking

X denotes 2500 units on Tape and Reel and is not included in the device

Low Tempco

Excellent initial accuracy

Excellent line regulation

Excellent output impedance

Excellent thermal regulation

Low noise

Easy to filter output noise

Operates in series or shunt mode

High-Resolution Data Acquisition Systems

Digital volt meters

Weighing systems

Precision current sources

Test Equipment

Order Number LM369DM LM369DMX

See NS Package Number M08A or N08E

LM369BN LM369CN or LM369DN

See NS Package Number RC03A

TO-226 Plastic Package (RC)

Dual-In-Line Package (N)

Order Number LM369DRC

or S O Package (M)

Bottom View

Top View

20 ppm 100 mW (max)

RRD-B30M115 Printed in U S A

3 ppm C (max)

December 1994

4 ppm V (max)

LM369N

TL H 9110– 28

5 mV (max)

0 8

TL H 9110 – 5

(max)

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