AD7658/AD7657/AD7656
TABLE OF CONTENTS
AD7658 Specifications..................................................................... 3
AD7657 Specifications..................................................................... 5
AD7656 Specifications..................................................................... 7
Timing Specifications....................................................................... 9
Absolute Maximum Ratings.......................................................... 10
ESD Caution................................................................................ 10
Pin Functional Descriptions ..................................................... 11
Terminology .................................................................................... 14
converter details.......................................................................... 15
Track-and-Hold Section........................................................ 15
Analog Input Section ............................................................. 15
REVISION HISTORY
Revision PrI: Preliminary Version
Preliminary Technical Data
ADC Transfer Function............................................................. 16
interface section.......................................................................... 17
Parallel Interface (SER/PAR = 0) ......................................... 17
Software Selection of ADCs.................................................. 18
Changing the Analog Input Range(H/S SEL=0)................ 18
Changing the Analog Input Range(H/S SEL=1)................ 19
SERIAL INTERFACE (SER/PAR = 1) ................................. 19
Serial Read Operation ........................................................... 20
Daisy-Chain Mode(DCEN =1, SER/PAR = 1) ................... 20
Standby/Partial Power Down Modes of Operation........... 23
Ordering Guide .......................................................................... 25
Rev. PrI | Page 2 of 25