AD7951BSTZ(2015) Ver la hoja de datos (PDF) - Analog Devices

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AD7951BSTZ
(Rev.:2015)

14-Bit, 1 MSPS, Unipolar/Bipolar Programmable Input PulSAR® ADC

Analog Devices 

AD7951

TABLE OF CONTENTS

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

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

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

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

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

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

Timing Specifications .................................................................. 5

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

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

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

Typical Performance Characteristics ........................................... 12

Terminology .................................................................................... 16

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

Overview...................................................................................... 17

Converter Operation.................................................................. 17

Modes of Operation ................................................................... 18

Transfer Functions...................................................................... 18

Typical Connection Diagram.................................................... 19

REVISION HISTORY

5/15—Rev. A to Rev. B

Change to Acquisition Time Parameter, Table 3 .......................... 5

Deleted Evaluating Performance Section .................................... 31

Changes to Ordering Guide .......................................................... 32

12/12—Rev. 0 to Rev. A

Added Exposed Pad Note................................................................ 8

Changes to Power Sequencing Section ........................................ 23

Updated Outline Dimensions ....................................................... 32

Changes to Ordering Guide .......................................................... 32

10/06—Revision 0: Initial Version

Data Sheet

Analog Inputs.............................................................................. 20

Voltage Reference Input/Output .............................................. 21

Power Supplies ............................................................................ 22

Conversion Control ................................................................... 23

Interfaces.......................................................................................... 24

Digital Interface .......................................................................... 24

Parallel Interface ......................................................................... 24

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

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

Slave Serial Interface .................................................................. 27

Hardware Configuration ........................................................... 29

Software Configuration ............................................................. 29

Microprocessor Interfacing....................................................... 30

Application Information................................................................ 31

Layout Guidelines....................................................................... 31

Outline Dimensions ....................................................................... 32

Ordering Guide .......................................................................... 32

Rev. B | Page 2 of 32

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