LM4050CIM3-4.1 National Semiconductor, LM4050CIM3-4.1 Datasheet

LM4050CIM3-4.1

Manufacturer Part Number

LM4050CIM3-4.1

Description

Manufacturer

National Semiconductor

Datasheets

1.LM4050CIM3-4.1.pdf (15 pages)

2.LM4050CIM3-4.1.pdf (14 pages)

3.LM4050CIM3-4.1.pdf (15 pages)

Specifications of LM4050CIM3-4.1

Date_code

05+

Packing_info

SOT-23

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LM4050

Precision Micropower Shunt Voltage Reference

General Description

Ideal for space critical applications, the LM4050 precision

voltage reference is available in the sub-miniature (3 mm x

1.3 mm) SOT-23 surface-mount package. The LM4050’s de-

sign eliminates the need for an external stabilizing capacitor

while ensuring stability with any capacitive load, thus making

the LM4050 easy to use. Further reducing design effort is the

availability of several fixed reverse breakdown voltages:

2.048V, 2.500V, 4.096V, 5.000V, 8.192V, and 10.000V. The

minimum operating current increases from 60 µA for the

LM4050-2.0 to 100 µA for the LM4050-10.0. All versions

have a maximum operating current of 15 mA.

The LM4050 utilizes fuse and zener-zap reverse breakdown

voltage trim during wafer sort to ensure that the prime parts

have an accuracy of better than

Bandgap reference temperature drift curvature correction

and low dynamic impedance ensure stable reverse break-

down voltage accuracy over a wide range of operating tem-

peratures and currents.

All grades and voltage options of the LM4050 are available

in both an industrial temperature range (−40˚C and +85˚C)

and an extended temperature range (−40˚C and +125˚C).

Features

n Small packages: SOT-23

n No output capacitor required

Connection Diagram

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

0.1% (A grade) at 25˚C.

DS101045

See NS Package Number MF03A

Top View

SOT-23

10104501

n Tolerates capacitive loads

n Fixed reverse breakdown voltages of 2.048V, 2.500V,

Key Specifications (LM4050-2.5)

Applications

n Portable, Battery-Powered Equipment

n Data Acquisition Systems

n Instrumentation

n Process Control

n Energy Management

n Product Testing

n Automotive

n Precision Audio Components

4.096V, 5.000V, 8.192V, and 10.000V

(10 Hz to 10 kHz)

Output voltage tolerance

Low output noise

Wide operating current range

Industrial temperature range

Extended temperature range

Low temperature coefficient

(A grade, 25˚C)

−40˚C to +125˚C

50 ppm/˚C (max)

60 µA to 15 mA

−40˚C to +85˚C

41 µV

www.national.com

0.1% (max)

July 2004

rms

(typ)

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