ADV7182 datasheet(2/96 Pages) AD

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ADV7182

Data Sheet

TABLE OF CONTENTS

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

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

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

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

General Description......................................................................... 4

Overview of the Analog Front End............................................ 4

Overview of the Standard Definition Processor ...................... 5

Specifications..................................................................................... 6

Electrical Characteristics............................................................. 6

Video Specifications..................................................................... 7

Timing Specifications .................................................................. 8

Analog Specifications................................................................... 9

Thermal Specifications ................................................................ 9

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

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

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

Power Supply Sequencing.............................................................. 12

Optimal Power-Up Sequence ................................................... 12

Simplified Power-Up Sequence ................................................ 12

Universal Power Supply............................................................. 12

Input Networks ............................................................................... 13

Single-Ended Input Network.................................................... 13

Differential Input Network ....................................................... 13

Short-to-Battery Protection Section ........................................ 13

Analog Front End ........................................................................... 14

Input Configuration................................................................... 14

Analog Input Muxing ................................................................ 14

Antialiasing Filters ..................................................................... 16

Global Control Registers ............................................................... 17

Power-Saving Modes.................................................................. 17

Reset Control .............................................................................. 17

Global Pin Control ..................................................................... 17

Global Status Register .................................................................... 19

Identification............................................................................... 19

Status 1 ......................................................................................... 19

Status 2 ......................................................................................... 19

Status 3 ......................................................................................... 19

Autodetection Result.................................................................. 19

Video Processor .............................................................................. 20

SD Luma Path ............................................................................. 20

SD Chroma Path......................................................................... 20

ACE and Dither Processing Blocks.......................................... 21

Sync Processing .......................................................................... 21

VBI Data Recovery..................................................................... 21

General Setup.............................................................................. 21

Color Controls............................................................................ 23

Free-Run Operation................................................................... 25

Clamp Operation........................................................................ 26

Luma Filter.................................................................................. 27

Chroma Filter.............................................................................. 30

Gain Operation........................................................................... 31

Chroma Transient Improvement (CTI) .................................. 35

Digital Noise Reduction (DNR) and Luma Peaking Filter... 36

Comb Filters................................................................................ 37

IF Filter Compensation ............................................................. 39

Adaptive Contrast Enhancement (ACE)................................. 39

Dither Function.......................................................................... 40

AV Code Insertion and Controls ............................................. 41

Synchronization Output Signals............................................... 42

Sync Processing .......................................................................... 49

VBI Data Decode ....................................................................... 49

I2C Readback Registers.............................................................. 57

ITU-R BT.656 Tx Configuration.................................................. 61

MPU Port Description................................................................... 62

I2C Sequencer.............................................................................. 63

I2C Register Maps ........................................................................... 64

PCB Layout Recommendations.................................................... 94

Analog Interface Inputs............................................................. 94

Power Supply Decoupling ......................................................... 94

VREFN and VREFP................................................................... 94

Digital Outputs (Both Data and Clocks) ................................ 94

Digital Inputs .............................................................................. 94

Typical Circuit Connection........................................................... 95

Outline Dimensions....................................................................... 96

Ordering Guide .......................................................................... 96

Automotive Products................................................................. 96

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Rev. C

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