ADA4932-1 데이터 시트보기 (PDF) - Analog Devices

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ADA4932-1

Low Power Differential ADC Driver

Analog Devices 

ADA4932-1/ADA4932-2

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 ............................................. 9

Test Circuits..................................................................................... 17

Terminology .................................................................................... 18

REVISION HISTORY

8/09—Rev. 0 to Rev. A

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

Changes to Figure 11........................................................................ 9

Changes to Figure 43 and Figure 45............................................. 15

Changes to Figure 52, Figure 53, and Figure 54 ......................... 17

10/08—Revision 0: Initial Version

Theory of Operation ...................................................................... 19

Applications Information .............................................................. 20

Analyzing an Application Circuit ............................................ 20

Setting the Closed-Loop Gain .................................................. 20

Estimating the Output Noise Voltage ...................................... 20

Impact of Mismatches in the Feedback Networks ................. 21

Calculating the Input Impedance for an Application

Circuit .......................................................................................... 21

Input Common-Mode Voltage Range ..................................... 23

Input and Output Capacitive AC Coupling............................ 23

Setting the Output Common-Mode Voltage .......................... 23

Layout, Grounding, and Bypassing.............................................. 24

High Performance ADC Driving ................................................. 25

Outline Dimensions ....................................................................... 26

Ordering Guide .......................................................................... 26

Rev. A | Page 2 of 28

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