350

300

250

200

150

100

50

0

0

5

10

15

20

25

30

Load Current (mA)

5

ADS7822

V

CC

CS

D

OUT

DCLOCK

V

REF

+In

–In

GND

+

+

1 F to 10 F

1 F to

10 F

3.3 V

0.1 F

V

IN

V+

V

S

Microcontroller

REF3033

GND

Product

Folder

Sample &

Buy

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Software

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Reference

Design

REF3012, REF3020, REF3025, REF3030, REF3033, REF3040

SBVS032G – MARCH 2002 – REVISED NOVEMBER 2015

REF30xx 50-ppm/°C Max, 50-

μA, CMOS Voltage Reference in SOT-23-3

1 Features

3 Description

The REF30xx is a precision, low-power, low dropout

1

•

microSize Package: SOT-23-3

voltage, reference family available in a tiny SOT-23-3

•

Low Dropout: 1 mV

package. The REF30xx offers excellent temperature

•

High Output Current: 25 mA

drift

and

initial

accuracy

while

operating

at

a

quiescent current of 42 µA (typ).

•

High Accuracy: 0.2%

•

The low power consumption and the relatively high

precision make the REF30xx very attractive for loop-

•

Excellent Specified Drift Performance:

powered industrial applications such as pressure and

–

50 ppm/°C (max) from 0°C to 70°C

temperature transmitter applications. The REF30xx is

–

75 ppm/°C (max) from –40°C to +125°C

easy to use in intrinsically safe and explosion-proof

applications because it does not require a load

2 Applications

capacitor to be stable. The REF30xx is specified over

the extended industrial temperature range of –40°C

•

Temperature and Pressure Transmitters

to +125°C.

•

Portable, Battery-powered Equipment

The REF30xx operates with supplies within 1 mV of

•

Data Acquisition Systems

output voltage under zero-load conditions. The low

•

Medical Equipment

dropout along with small size and low power

consumption make The REF30xx ideal for portable

•

Handheld Test Equipment

and battery-powered applications.

Device Information

PART NUMBER

PACKAGE

BODY SIZE (NOM)

REF30xx

SOT-23 (3)

2.92 mm × 1.30 mm

Typical Application

Dropout Voltage vs Load Current

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.