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ADR380/ADR381

Precision Low-Drift 2.048 V/2.500 V

SOT-23 Voltage Reference

FEATURES

Initial Accuracy:

5 mV/ 6 mV max

Initial Accuracy Error:

0.24%/ 0.24%

Load Regulation: 70 ppm/mA

Line Regulation: 25 ppm/V

Wide Operating Range:

2.4 V to 18 V for ADR380

2.8 V to 18 V for ADR381

Low Power: 120

A max

High Output Current: 5 mA

Wide Temperature Range: –40 C to +85 C

Tiny 3-Lead SOT-23 Package with Standard Pinout

APPLICATIONS

Battery-Powered Instrumentation

Portable Medical Instruments

Data Acquisition Systems

Industrial Process Control Systems

Hard Disk Drives

Automotive

PIN CONFIGURATION

3-Lead SOT-23

(RT Suffix)

1

2

ADR380/

ADR381

(Not to Scale)

3

GND

GENERAL DESCRIPTION

The ADR380 and ADR381 are precision 2.048 V and 2.500 V

band gap voltage references featuring high accuracy, high stabil-

ity, and low-power consumption in a tiny footprint. Patented

temperature drift curvature correction techniques minimize

nonlinearity of the voltage change with temperature. The wide

operating range and low power consumption make them ideal

for 3 V to 5 V battery-powered applications.

The ADR380 and ADR381 are micropower, low dropout

voltage (LDV) devices that provide a stable output voltage from

supplies as low as 300 mV above the output voltage. They are

specified over the industrial (–40

°C to +85°C) temperature

range. ADR380/ADR381 is available in the tiny 3-lead SOT-23

package.

Table I. ADR38x Products

Part Number

Nominal Output Voltage (V)

ADR380

2.048

ADR381

2.500