ADR121/ADR125/ADR127

Rev. 0 | Page 2 of 20

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Pin Configuration............................................................................. 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

ADR121 Electrical Characteristics............................................. 3

ADR125 Electrical Characteristics............................................. 4

ADR127 Electrical Characteristics............................................. 5

Absolute Maximum Ratings............................................................ 6

Thermal Resistance ...................................................................... 6

ESD Caution.................................................................................. 6

Terminology .......................................................................................7

Typical Performance Characteristics ..............................................8

Theory of Operation ...................................................................... 16

Power Dissipation Considerations........................................... 16

Notes ............................................................................................ 16

Applications..................................................................................... 17

Basic Voltage Reference Connection ....................................... 17

Stacking Reference ICs for Arbitrary Outputs ....................... 17

Negative Precision Reference Without Precision Resistors.. 17

General-Purpose Current Source ............................................ 17

Outline Dimensions ....................................................................... 18

Ordering Guide .......................................................................... 18

REVISION HISTORY

6/06—Revision 0: Initial Version