AD7942(RevC) 데이터 시트보기 (PDF) - Analog Devices

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AD7942
(Rev.:RevC)

14-Bit, 250 kSPS PulSAR, Pseudo Differential ADC in MSOP/LFCSP

Analog Devices 

AD7942

TABLE OF CONTENTS

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

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

Application Diagram........................................................................ 1

General Description ......................................................................... 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 ............................................. 9

REVISION HISTORY

6/14—Rev. B to Rev. C

Changed QFN (LFCSP) Notation to LFCSP.............. Throughout

Added Patent Footnote .................................................................... 1

Changes to Evaluating the Performance of the AD7942........... 23

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

6/08—Rev. A to Rev. B

Changes to Features Section and General Description Section . 1

Moved Figure 2 and Figure 3 .......................................................... 6

Changes to Table 6............................................................................ 8

Moved Terminology Section......................................................... 12

Changes to Figure 41...................................................................... 22

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

Data Sheet

Terminology .................................................................................... 12

Theory of Operation ...................................................................... 13

Circuit Information.................................................................... 13

Converter Operation.................................................................. 13

Typical Connection Diagram ................................................... 14

Digital Interface .......................................................................... 16

Application Hints ........................................................................... 23

Layout .......................................................................................... 23

Evaluating the Performance of AD7942.................................. 23

Outline Dimensions ....................................................................... 24

Ordering Guide .......................................................................... 24

12/07—Rev. 0 to Rev. A

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

Changes to General Description Section .......................................1

Changes to Table 6.............................................................................7

Changes to Table 7.............................................................................8

Changes to Circuit Information Section ..................................... 13

Changes to Table 9.......................................................................... 15

Changes to Figure 39...................................................................... 21

Changes to Figure 41...................................................................... 22

Updated Outline Dimensions ....................................................... 24

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

3/05—Revision 0: Initial Version

Rev. C | Page 2 of 24

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