AD9920ABBCZ datasheet(2/112 Pages) AD

2 / 112 page

AD9920A

Rev. B | Page 2 of 112

TABLE OF CONTENTS

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

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

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

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

Revision History ............................................................................... 3

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

Digital Specifications ................................................................... 5

Analog Specifications................................................................... 5

Timing Specifications .................................................................. 7

Vertical Driver Specifications ..................................................... 8

Absolute Maximum Ratings.......................................................... 10

Thermal Resistance .................................................................... 10

ESD Caution................................................................................ 10

Pin Configuration and Function Descriptions........................... 11

Typical Performance Characteristics ........................................... 14

Equivalent Circuits ......................................................................... 15

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

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

H-Counter Behavior in Slave Mode......................................... 17

High Speed Precision Timing Core........................................... 18

Digital Data Outputs.................................................................. 22

Horizontal Clamping and Blanking......................................... 23

Horizontal Timing Sequence Example.................................... 30

Vertical Timing Generation ...................................................... 32

Vertical Sequences (VSEQ) ....................................................... 34

Vertical Timing Example........................................................... 51

Internal Vertical Driver Connections (18-Channel Mode) .. 53

Internal Vertical Driver Connections (19-Channel Mode) .. 54

Output Polarity of Vertical Transfer Clocks and Substrate

Clock ............................................................................................ 55

V-Driver Slew Rate Control...................................................... 60

Shutter Timing Control ............................................................. 60

Substrate Clock Operation (SUBCK) ...................................... 60

Field Counters............................................................................. 63

General-Purpose Outputs (GPOs) .......................................... 64

GP Lookup Table (LUT)............................................................ 68

Complete Exposure/Readout Operation Using Primary

Counter and GPO Signals ......................................................... 69

SG Control Using GPO ............................................................. 71

Manual Shutter Operation Using Enhanced SYNC Modes.. 73

Analog Front End Description and Operation ...................... 77

Applications Information .............................................................. 79

Power-Up Sequence for Master Mode..................................... 79

Power-Up Sequence for Slave Mode........................................ 81

Power-Down Sequence for Master and Slave Modes ............ 83

Additional Restrictions in Slave Mode.................................... 84

Vertical Toggle Position Placement Near Counter Reset...... 85

Standby Mode Operation .......................................................... 86

CLI Frequency Change.............................................................. 86

Circuit Layout Information........................................................... 88

Typical 3 V System ..................................................................... 88

External Crystal Application .................................................... 88

Circuit Configurations .............................................................. 89

Serial Interface ................................................................................ 93

Serial Interface Timing .............................................................. 93

Layout of Internal Registers ...................................................... 94

Updating New Register Values ................................................. 95

Complete Register Listing ............................................................. 96

Outline Dimensions ..................................................................... 112

Ordering Guide ........................................................................ 112

AD9920ABBCZ 数据表(PDF) 2 Page - Analog Devices

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