LM4041BIM7X-1.2 NSC [National Semiconductor], LM4041BIM7X-1.2 Datasheet

LM4041BIM7X-1.2

Manufacturer Part Number

LM4041BIM7X-1.2

Description

Precision Micropower Shunt Voltage Reference

Manufacturer

NSC [National Semiconductor]

Datasheet

1.LM4041BIM7X-1.2.pdf (19 pages)

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LM4041

Precision Micropower Shunt Voltage Reference

General Description

Ideal for space critical applications, the LM4041 precision

voltage reference is available in the sub-miniature SC70 and

SOT-23 surface-mount packages. The LM4041’s advanced

design eliminates the need for an external stabilizing capaci-

tor while ensuring stability with any capacitive load, thus

making the LM4041 easy to use. Further reducing design

effort is the availability of a fixed (1.225V) and adjustable

reverse breakdown voltage. The minimum operating current

is 60 µA for the LM4041-1.2 and the LM4041-ADJ. Both

versions have a maximum operating current of 12 mA.

The LM4041 utilizes fuse and zener-zap reverse breakdown

or reference voltage trim during wafer sort to ensure that the

prime parts have an accuracy of better than

(A grade) at 25˚C. Bandgap reference temperature drift cur-

vature correction and low dynamic impedance ensure stable

reverse breakdown voltage accuracy over a wide range of

operating temperatures and currents.

Features

n Small packages: SOT-23, TO-92, and SC70

n No output capacitor required

n Tolerates capacitive loads

n Reverse breakdown voltage options of 1.225V and

Connection Diagrams

*This pin must be left floating or connected to pin 2.

adjustable

See NS Package Number MF03A

(JEDEC Registration TO-236AB)

Top View

SOT-23

DS011392-1

DS011392-40

DS011392

0.1%

Key Specifications (LM4041-1.2)

Applications

n Portable, Battery-Powered Equipment

n Data Acquisition Systems

n Instrumentation

n Process Control

n Energy Management

n Automotive

n Precision Audio Components

*This pin must be left floating or connected to pin 1.

(A grade, 25˚C)

(10 Hz to 10kHz)

Output voltage tolerance

Low output noise

Wide operating current range

Industrial temperature range

Extended temperature range

Low temperature coefficient

See NS Package Number MAA05A

Top View

SC-70

DS011392-46

DS011392-47

100 ppm/˚C (max)

−40˚C to +125˚C

−40˚C to +85˚C

60µA to 12mA

January 2001

www.national.com

0.1%(max)

20µV

rms

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