AD8138

Rev. F | Page 2 of 24

TABLE OF CONTENTS

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

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

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

Typical Application Circuit ............................................................. 1

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

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

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

±DIN to ±OUT Specifications...................................................... 3

VOCM to ±OUT Specifications ..................................................... 4

±DIN to ±OUT Specifications...................................................... 5

VOCM to ±OUT Specifications ..................................................... 6

Absolute Maximum Ratings............................................................ 7

Thermal Resistance ...................................................................... 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions............................. 8

Typical Performance Characteristics ............................................. 9

Test Circuits..................................................................................... 15

Operational Description................................................................ 16

Definition of Terms.................................................................... 16

Theory of Operation ...................................................................... 17

Analyzing an Application Circuit ............................................ 17

Setting the Closed-Loop Gain .................................................. 17

Estimating the Output Noise Voltage ...................................... 17

The Impact of Mismatches in the Feedback Networks ......... 18

Calculating an Application Circuit’s Input Impedance......... 18

Input Common-Mode Voltage Range in Single-Supply

Applications ................................................................................ 18

Setting the Output Common-Mode Voltage .......................... 18

Driving a Capacitive Load......................................................... 18

Layout, Grounding, and Bypassing.............................................. 19

Balanced Transformer Driver ....................................................... 20

High Performance ADC Driving ................................................. 21

3 V Operation ................................................................................. 22

Outline Dimensions ....................................................................... 23

Ordering Guide .......................................................................... 23

REVISION HISTORY

1/06—Rev. E to Rev. F

Changes to Features.......................................................................... 1

Added Thermal Resistance Section and Maximum Power

Dissipation Section........................................................................... 7

Changes to Balanced Transformer Driver Section..................... 20

Changes to Ordering Guide .......................................................... 23

3/03—Rev. D to Rev. E

Changes to Specifications ................................................................ 2

Changes to Ordering Guide ............................................................ 4

Changes to TPC 16........................................................................... 6

Changes to Table I ............................................................................ 9

Added New Paragraph after Table I ............................................. 10

Updated Outline Dimensions ....................................................... 14

7/02—Rev. C to Rev. D

Addition of TPC 35 and TPC 36 .....................................................8

6/01—Rev. B to Rev. C

Edits to Specifications ......................................................................2

Edits to Ordering Guide ...................................................................4

12/00—Rev. A to Rev. B

9/99—Rev. 0 to Rev. A

3/99—Rev. 0: Initial Version