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AD9995 датащи(PDF) 2 Page - Analog Devices

номер детали AD9995
подробное описание детали  12-Bit CCD Signal Processor with Precision Timing ??Generator
PDF  60 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

AD9995 датащи(HTML) 2 Page - Analog Devices

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AD9995
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AD9995–SPECIFICATIONS
TABLE OF CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Digital Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
AD9995 Analog Specifications . . . . . . . . . . . . . . . . . . . . . . 4
Timing Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . . 5
PACKAGE THERMAL CHARACTERISTICS. . . . . . . . . . . 5
ORDERING GUIDE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
PIN CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
PIN FUNCTION DESCRIPTIONS . . . . . . . . . . . . . . . . . . . 6
TERMINOLOGY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
EQUIVALENT CIRCUITS. . . . . . . . . . . . . . . . . . . . . . . . . . 7
TYPICAL PERFORMANCE CHARACTERISTICS . . . . . . 8
SYSTEM OVERVIEW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PRECISION TIMING HIGH SPEED TIMING
GENERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Timing Resolution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
High Speed Clock Programmability . . . . . . . . . . . . . . . . . 10
H-Driver and RG Outputs . . . . . . . . . . . . . . . . . . . . . . . . 11
Digital Data Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
HORIZONTAL CLAMPING AND BLANKING . . . . . . . . 13
Individual CLPOB and PBLK Patterns. . . . . . . . . . . . . . . 13
Individual HBLK Patterns . . . . . . . . . . . . . . . . . . . . . . . . 13
Generating Special HBLK Patterns. . . . . . . . . . . . . . . . . . 14
Generating HBLK Line Alternation . . . . . . . . . . . . . . . . . 14
HORIZONTAL TIMING SEQUENCE EXAMPLE . . . . . . 15
VERTICAL TIMING GENERATION . . . . . . . . . . . . . . . . 16
Vertical Pattern Groups (VPAT) . . . . . . . . . . . . . . . . . . . . 17
Vertical Sequences (VSEQ) . . . . . . . . . . . . . . . . . . . . . . . . 18
Complete Field: Combining V-Sequences . . . . . . . . . . . . . 19
Generating Line Alternation for V-Sequence and HBLK . . 20
Second V-Pattern Group during VSG Active Line . . . . . . . 20
Sweep Mode Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Multiplier Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Vertical Sensor Gate (Shift Gate) Patterns . . . . . . . . . . . . . 22
MODE Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
VERTICAL TIMING EXAMPLE . . . . . . . . . . . . . . . . . . . . 24
Important Note about Signal Polarities . . . . . . . . . . . . . . . 24
SHUTTER TIMING CONTROL . . . . . . . . . . . . . . . . . . . . 26
Normal Shutter Operation . . . . . . . . . . . . . . . . . . . . . . . . 26
High Precision Shutter Operation . . . . . . . . . . . . . . . . . . . 26
Low Speed Shutter Operation . . . . . . . . . . . . . . . . . . . . . . 26
SUBCK Suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Readout after Exposure. . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Using the TRIGGER Register. . . . . . . . . . . . . . . . . . . . . . 27
VSUB Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
MSHUT and STROBE Control . . . . . . . . . . . . . . . . . . . . 28
TRIGGER Register Limitations . . . . . . . . . . . . . . . . . . . . 29
EXPOSURE AND READOUT EXAMPLE . . . . . . . . . . . . 30
AFE DESCRIPTION AND OPERATION . . . . . . . . . . . . . 31
DC Restore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Correlated Double Sampler . . . . . . . . . . . . . . . . . . . . . . . 31
Variable Gain Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . 31
A/D Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Optical Black Clamp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Digital Data Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
POWER-UP AND SYNCHRONIZATION . . . . . . . . . . . . . 33
Recommended Power-Up Sequence for Master Mode. . . . 33
Generating Software SYNC without
External SYNC Signal . . . . . . . . . . . . . . . . . . . . . . . . . 33
SYNC during Master Mode Operation . . . . . . . . . . . . . . . 34
Power-Up and Synchronization in Slave Mode . . . . . . . . . 34
STANDBY MODE OPERATION . . . . . . . . . . . . . . . . . . . . 34
CIRCUIT LAYOUT INFORMATION . . . . . . . . . . . . . . . . 36
SERIAL INTERFACE TIMING . . . . . . . . . . . . . . . . . . . . . 37
Register Address Banks 1 and 2. . . . . . . . . . . . . . . . . . . . . 38
Updating of New Register Values. . . . . . . . . . . . . . . . . . . . 39
COMPLETE LISTING OF REGISTER BANK 1 . . . . . . . 40
COMPLETE LISTING OF REGISTER BANK 2 . . . . . . . 43
OUTLINE DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . 59
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