AD7264(RevD) 查看數據表（PDF） - Analog Devices

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AD7264
(Rev.:RevD)

1 MSPS, 14-Bit, Simultaneous Sampling SAR ADC with PGA and Four Comparators

Analog Devices 

AD7264

TABLE OF CONTENTS

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

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

Functional Block Diagram .............................................................. 1

Product Highlights ........................................................................... 1

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

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

Timing Specifications .................................................................. 6

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

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

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

Typical Performance Characteristics ........................................... 10

Terminology .................................................................................... 14

Theory of Operation ...................................................................... 15

Circuit Information.................................................................... 15

Comparators................................................................................ 15

Operation..................................................................................... 15

Analog Inputs.............................................................................. 15

VDRIVE ............................................................................................ 16

Reference ..................................................................................... 16

REVISION HISTORY

5/2017—Rev. C to Rev. D

Changed CP-48-1 to CP-48-4 ...................................... Throughout

Changes to Figure 4 .......................................................................... 8

Updated Outline Dimensions ....................................................... 29

Changes to Ordering Guide .......................................................... 29

12/2015—Rev. B to Rev. C

Changes to Table 1............................................................................ 3

Changes to Figure 28...................................................................... 20

11/2012—Rev. A to Rev. B

Changes to Digital Input Voltage to DGND Parameter, Table 3 7

Updated Outline Dimensions ....................................................... 28

Data Sheet

Typical Connection Diagrams.................................................. 17

Application Details..................................................................... 20

Modes of Operation ....................................................................... 21

Pin Driven Mode ........................................................................ 21

Gain Selection ............................................................................. 21

Power-Down Modes .................................................................. 21

Control Register ......................................................................... 22

On-Chip Registers...................................................................... 23

Serial Interface ................................................................................ 24

Calibration....................................................................................... 26

Internal Offset Calibration........................................................ 26

Adjusting the Offset Calibration Register............................... 27

System Gain Calibration............................................................ 27

Applications Information .............................................................. 28

Grounding and Layout .............................................................. 28

PCB Design Guidelines for LFCSP .......................................... 28

Outline Dimensions ....................................................................... 29

Ordering Guide .......................................................................... 29

7/2008—Rev. 0 to Rev. A

Added AD7264-5................................................................ Universal

Added LQFP Package ........................................................ Universal

Changes to Figure 1...........................................................................1

Changes to Common-Mode Voltage Range, VCM Parameter ...3

Changes to Table 3.............................................................................7

Changes to Pin Configuration and Function

Description Section...........................................................................8

Changes to Figure 29...................................................................... 19

Updated Outline Dimensions ....................................................... 28

Changes to Ordering Guide .......................................................... 29

5/2008—Revision 0: Initial Version

Rev. D | Page 2 of 29

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