2

1

3

5

4

N/C or GND

N/C

+ VREF

N/C

- GND

4

5

LM4030

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SNVS552B – MARCH 2008 – REVISED APRIL 2013

LM4030 SOT-23 Ultra-High Precision Shunt Voltage Reference

Check for Samples: LM4030

1

FEATURES

DESCRIPTION

The LM4030 is an ultra-high precision shunt voltage

2

•

High Output Voltage Accuracy 0.05%

reference, having exceptionally high initial accuracy

•

Low Temperature Coefficient 10 ppm/°C

(0.05%) and temperature stability (10ppm/°C). The

•

Extended Temperature Operation -40-125°C

LM4030 is available with fixed voltage options of 2.5V

and 4.096V. Despite the tiny SOT-23 package, the

•

Excellent Thermal Hysteresis, 75ppm

LM4030

exhibits

excellent

thermal

hysteresis

•

Excellent Long-Term Stability, 40ppm

(75ppm) and long-term stability (40ppm) as well as

•

High Immunity to Board Stress Effects

immunity to board stress effects.

•

Capable of Handling 50 mA Transients

The LM4030 is designed to operate without an

•

Voltage Options 2.5V, 4.096V

external capacitor, but any capacitor up to 10µF may

be used. The LM4030 can be powered off as little as

•

SOT-23 Package

120µA (max) but is capable of shunting up to 30mA

continuously. As with any shunt reference, the

APPLICATIONS

LM4030 can be powered off of virtually any supply

•

Data Acquisition/Signal path

and is a simple way to generate a highly accurate

system reference.

•

Test and Measurement

•

Automotive & Industrial

The LM4030 is available in three grades (A, B, and

C). The best grade devices (A) have an initial

•

Communications

accuracy

of

0.05%

with

ensured

temperature

•

Instrumentation

coefficient of 10 ppm/°C or less, while the lowest

•

Power Management

grade parts (C) have an initial accuracy of 0.15% and

a temperature coefficient of 30 ppm/°C.

Typical Application Circuit

Connection Diagram

SOT-23 Package

(Top View)

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2008–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.