LM4041CIM3-ADJ National Semiconductor, LM4041CIM3-ADJ Datasheet

LM4041CIM3-ADJ

Manufacturer Part Number

LM4041CIM3-ADJ

Description

Voltage Reference

Manufacturer

National Semiconductor

Datasheets

1.LM4041EEM3-1.2.pdf (19 pages)

2.LM4041DIM3-1.2.pdf (19 pages)

3.LM4041EEM3-1.2.pdf (18 pages)

Specifications of LM4041CIM3-ADJ

Reference Volt Tolerance Â±%

0.5%

Mounting Type

Surface Mount

Output Voltage Min

1.24V

Voltage Regulator Type

Adjustable Shunt

Operating Temperature Max

85Â°C

Peak Reflow Compatible (260 C)

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

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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 (3 mm x

1.3 mm) SOT-23 surface-mount package. The LM4041’s ad-

vanced design eliminates the need for an external stabilizing

capacitor while ensuring stability with any capacitive load,

thus making the LM4041 easy to use. Further reducing de-

sign effort is the availability of a fixed (1.225V) and adjust-

able 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, and TO-92

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

DS011392-1

DS011392-3

DS011392

(JEDEC Registration TO-236AB)

See NS Package Number M03B

See NS Package Number Z03A

0.1%

Bottom View

Top View

SOT-23

TO-92

Key Specifications (LM4041-1.2)

n Output voltage tolerance

n Low output noise

n Wide operating current range

n Industrial temperature range

n Extended temperature range

n Low temperature coefficient

Applications

n Portable, Battery-Powered Equipment

n Data Acquisition Systems

n Instrumentation

n Process Control

n Energy Management

n Automotive

n Precision Audio Components

(A grade, 25˚C)

(10 Hz to 10kHz)

DS011392-40

DS011392-32

100 ppm/˚C (max)

−40˚C to +125˚C

−40˚C to +85˚C

60µA to 12mA

October 1999

www.national.com

0.1%(max)

20µV

rms

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