AD7262 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD7262

1 MSPS, 12-Bit, Simultaneous Sampling SAR ADC with PGA and Four Comparators

Analog Devices 

AD7262

TABLE OF CONTENTS

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

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

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

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

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

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

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

Timing Diagram ........................................................................... 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 ..................................................................................... 17

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

REVISION HISTORY

11/2016—Rev. A to Rev. B

Change to Figure 4 ........................................................................... 8

Change to Pin 31, 32 Description, Table 4 .................................... 9

Changes to Serial Interface Section.............................................. 25

Changes to Figure 34 and Figure 34 Caption ............................. 26

Updated Outline Dimensions ....................................................... 31

Changes to Ordering Guide .......................................................... 31

8/2015—Rev. 0 to Rev. A

Changed ADSP-BF53x to ADSP-BF531 ..................... Throughout

Data Sheet

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

Modes of Operation ....................................................................... 22

Pin-Driven Mode ....................................................................... 22

Gain Selection............................................................................. 22

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

Control Register ......................................................................... 23

On-Chip Registers...................................................................... 24

Serial Interface ................................................................................ 25

Calibration....................................................................................... 27

Internal Offset Calibration........................................................ 27

Adjusting the Offset Calibration Registers ................................. 28

System Gain Calibration............................................................ 28

Microprocessor Interfacing........................................................... 29

AD7262/AD7262-5 to ADSP-BF531 ....................................... 29

Application Hints ........................................................................... 30

Grounding and Layout .............................................................. 30

PCB Design Guidelines for LFCSP .......................................... 30

Outline Dimensions ....................................................................... 31

Ordering Guide .......................................................................... 31

Changes to Table 4.............................................................................9

Change to Serial Interface Section ............................................... 25

Changes to Figure 34 and Figure 34 Caption ............................. 26

Change to Microprocessor Interfacing Section and Figure 37. 29

Changes to AD7262/AD7262-5 to ADSP-BF531 Section......... 29

Updated Outline Dimensions ....................................................... 31

7/2008—Revision 0: Initial Version

Rev. B | Page 2 of 32

Share Link: