REF1112

10ppm/°C, 1

µ

µµ

µµA, 1.25V

Shunt Voltage Reference

APPLICATIONS

BATTERY-POWERED INSTRUMENTS

PORTABLE DEVICES

MEDICAL EQUIPMENT

CURRENT SOURCES

CALIBRATORS

MICROPOWER CURRENT AND VOLTAGE

REFERENCE

DESCRIPTION

The REF1112 is a two-terminal shunt reference designed for

power and space-sensitive applications. The REF1112 fea-

tures an operating current of 1

µA in a SOT23-3 package

and is an improved, lower power pin-compatible drop-in

replacement for designs currently using the REF1004 and

LT1004. The REF1112 is specified from –40°C to +85°C

with operation extending from –40°C to +125°C.

The REF1112 complements other 1

µA components from

Texas Instruments including the OPA349 and the TLV240x

low power operational amplifiers, and the TLV349x

micropower voltage comparator.

SBOS283 – SEPTEMBER 2003

www.ti.com

Copyright © 2003, Texas Instruments Incorporated

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.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

FEATURES

MICRO-PACKAGE: SOT23-3

WIDE CURRENT RANGE: 1

µ

µµ

µµA to 5mA

HIGH INITIAL ACCURACY: 0.2%

EXCELLENT SPECIFIED DRIFT

PERFORMANCE:

30ppm/°C (max) from 0°C to +70°C

50ppm/°C (max) from –40°C to +85°C

R

BIAS

V

S

V

OUT

I

I

REF

R

LOAD

I

LOAD

R

V

I

1

2

3NC

SOT23

GND

NC indicates pin should be left unconnected.