ADA4927-1/ADA4927-2

Data Sheet

Rev. B | Page 2 of 25

TABLE OF CONTENTS

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

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

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

Functional Block Diagrams............................................................. 1

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

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

±5 V Operation............................................................................. 3

+5 V Operation............................................................................. 5

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

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

Maximum Power Dissipation ..................................................... 7

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

Pin Configurations and Function Descriptions ........................... 8

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

Test Circuits..................................................................................... 16

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

Definition of Terms.................................................................... 17

Applications Information .............................................................. 18

Analyzing an Application Circuit ............................................ 18

Setting the Closed-Loop Gain .................................................. 18

Estimating the Output Noise Voltage...................................... 18

Impact of Mismatches in the Feedback Networks................. 19

Calculating the Input Impedance for an Application Circuit

....................................................................................................... 19

Input Common-Mode Voltage Range..................................... 21

Input and Output Capacitive AC Coupling............................ 21

Setting the Output Common-Mode Voltage.......................... 21

Power-Down ............................................................................... 22

Layout, Grounding, and Bypassing.............................................. 23

High Performance ADC Driving ................................................. 24

Outline Dimensions....................................................................... 25

Ordering Guide .......................................................................... 25

REVISION HISTORY

5/2016—Rev. A to Rev. 0

Changes to Figure 1 and Figure 2................................................... 1

Changes to Figure 5.......................................................................... 8

Changes to Figure 6.......................................................................... 9

Updated Outline Dimensions....................................................... 25

Changes to Ordering Guide .......................................................... 25

8/2009—Rev. 0 to Rev. A

Changes to Ordering Guide .......................................................... 24

10/2008—Revision 0: Initial Version