ADS8326

REF5040

REF

V

OUT

GND

+IN

-

IN

V

IN

+5V

OPA365

Input

Signal

0Vto4V

5V

5V

V

DD

GND

C

1 F

m

BYPASS

R

50 W

1

C

1.2nF

1

C

22 F

m

2

1

2

3

4

8

7

6

5

DNC

NC

TRIM/NR

DNC

V

IN

TEMP

GND

V

OUT

SO-8(D)PACKAGE

(TOPVIEW)

DNC=Donotconnect

NC=Nointernalconnection

REF5020-Q1, REF5025-Q1, REF5030-Q1

REF5040-Q1, REF5045-Q1, REF5050-Q1

www.ti.com

SBOS456G – SEPTEMBER 2008 – REVISED OCTOBER 2013

LOW-NOISE, VERY LOW DRIFT, PRECISION VOLTAGE REFERENCE

Check for Samples: REF5020-Q1, REF5025-Q1, REF5030-Q1, REF5040-Q1, REF5045-Q1, REF5050-Q1

1

FEATURES

DESCRIPTION

The REF50xx is a family of low-noise, low-drift, very-

2

•

Qualified for Automotive Applications

high precision-voltage references. These references

•

Low Temperature Drift

are capable of both sinking and sourcing, and are

–

Standard Grade: 8 ppm/°C (max)

very robust with regard to line and load changes.

•

High Accuracy

Excellent temperature drift (3 ppm/°C) and high

–

Standard Grade: 0.1% (max)

accuracy (0.05%) are achieved using proprietary

design techniques. These features combined with

•

Low Noise: 3

very low noise make the REF50xx family ideal for use

•

EXCELLENT LONG-TERM STABILITY:

in high-precision data acquisition systems.

–

5 ppm/1000 hr (typ) after 1000 hours

Each reference voltage is available in a standard-

•

High Output Current: ±10 mA

grade versions. The devices are offered in SO-8

•

Temperature Range: –40°C to 125°C

packages and are specified from –40°C to 125°C.

REF50xx Family

APPLICATIONS

MODEL

OUTPUT VOLTAGE

•

16-Bit Data Acquisition Systems

REF5020

2.048 V

•

ATE Equipment

REF5025

2.5 V

•

Industrial Process Control

REF5030

3 V

•

Medical Instrumentation

REF5040

4.096 V

•

Optical Control Systems

REF5045

4.5 V

•

Precision Instrumentation

REF5050

5 V

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.