AD9627BCPZ-80 datasheet(2/40 Pages) AD

Part #	AD9627BCPZ-80

Description	12-Bit, 80/105/125/150 MSPS, 1.8 V Dual Analog-to-Digital Converter

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Manufacturer	AD [Analog Devices]

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AD9627

Preliminary Technical Data

Rev. PrA | Page 2 of 40

TABLE OF CONTENTS

General Description ......................................................................... 3

Product Highlights ....................................................................... 3

Specifications..................................................................................... 4

ADC DC Specifications ............................................................... 4

ADC AC Specifications ............................................................... 5

Digital specifications.................................................................... 6

switching specifications ............................................................... 7

Absolute Maximum Ratings............................................................ 8

Thermal Characteristics .............................................................. 8

ESD Caution.................................................................................. 8

Pin Configuration and Function Descriptions............................. 9

Equivalent circuits .......................................................................... 12

Typical Performance Characteristics ........................................... 13

Timing Diagrams............................................................................ 14

Terminology .................................................................................... 15

Theory of Operation ...................................................................... 16

ADC Architecture ...................................................................... 16

Analog Input Considerations.................................................... 16

Voltage Reference ....................................................................... 18

Clock Input Considerations ...................................................... 19

Power Dissipation and Standby Mode..................................... 21

Digital Outputs ........................................................................... 21

Timing.......................................................................................... 22

ADC OVERRANGE and GaIN control ...................................... 23

Fast detect overview ................................................................... 23

ADC Fast Magnitude ................................................................. 23

ADC overrange (OVR).............................................................. 24

Gain Switching............................................................................ 24

SIGNAL Monitor............................................................................ 26

Peak Detector Mode (Mode Bits 01) ....................................... 26

RMS/MS Magnitude Mode (Mode Bits 00)............................ 26

Threshold Crossing Mode (Mode Bits 1x).............................. 27

Additional Control Bits ............................................................. 27

DC Correction ............................................................................ 28

Signal monitor SPORT OUTPUT............................................ 28

Built-In Self-Test (BIST) and Output test ................................... 29

Built in self test (BIST)............................................................... 29

output test modes ....................................................................... 29

Channel/Chip Synchronization.................................................... 30

Serial Port Interface (SPI).............................................................. 31

Configuration Using the SPI..................................................... 31

Hardware Interface..................................................................... 31

Configuration WITHOUT the SPI.......................................... 32

Memory Map .............................................................................. 32

SPI Accessible Features.............................................................. 32

External memory MaP................................................................... 34

memory map register description............................................ 37

Applications..................................................................................... 38

Design Guidelines ...................................................................... 38

AD9627 Evaluation Board and Software..................................... 39

Outline Dimensions ....................................................................... 40

Ordering Guide .......................................................................... 40

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Similar Description - AD9627BCPZ-80

Manufacturer	Part #	Datasheet	Description
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