ADV7182ABCPZ datasheet(2/102 Pages) AD

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ADV7182A

Data Sheet

Rev. 0 | Page 2 of 102

TABLE OF CONTENTS

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

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

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

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

Functional Block Diagram .............................................................. 4

Specifications..................................................................................... 5

Electrical Characteristics............................................................. 5

Video Specifications..................................................................... 6

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

Analog Specifications................................................................... 8

Absolute Maximum Ratings............................................................ 9

Thermal Resistance ...................................................................... 9

ESD Caution.................................................................................. 9

Pin Configuration and Function Descriptions........................... 10

Theory of Operation ...................................................................... 11

Analog Front End (AFE) ........................................................... 11

Standard Definition Processor ................................................. 11

Power Supply Sequencing.............................................................. 13

Optimal Power-Up Sequence ................................................... 13

Simplified Power-Up Sequence ................................................ 13

Universal Power Supply ............................................................. 13

Crystal Oscillator Design............................................................... 14

Input Networks ............................................................................... 15

Single-Ended Input Network .................................................... 15

Differential Input Network ....................................................... 15

Short to Battery (STB) Protection ............................................ 15

Analog Front End ........................................................................... 16

Input Configuration ................................................................... 16

Analog Input Muxing ................................................................ 16

Antialiasing Filters ..................................................................... 17

Global Control Registers ............................................................... 18

Power Saving Modes .................................................................. 18

Reset Control .............................................................................. 18

Global Pin Control ..................................................................... 18

Global Status Registers................................................................... 20

Identification Register................................................................ 20

Status 1 Register.......................................................................... 20

Status 2 Register.......................................................................... 20

Status 3 Register.......................................................................... 20

Autodetection Result.................................................................. 21

Video Processor .............................................................................. 22

Standard Definition (SD) Luma Path ...................................... 22

SD Chroma Path......................................................................... 22

ACE and Dither Processing Blocks.......................................... 23

Sync Processing .......................................................................... 23

Vertical Blank Interval (VBI) Data Recovery............................. 23

General Setup.............................................................................. 23

Color Control Registers............................................................. 25

Freerun Operation ..................................................................... 27

Clamp Operation........................................................................ 28

Luma Filter .................................................................................. 29

Chroma Filter.............................................................................. 32

Gain Operation........................................................................... 33

Chroma Transient Improvement (CTI) .................................. 36

Digital Noise Reduction (DNR) and Luma Peaking Filter... 37

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

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

Adaptive Contrast Enhancement (ACE)................................. 40

Dither Function .......................................................................... 41

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

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

Sync Processing .......................................................................... 50

VBI Data Decode ....................................................................... 50

I2C Readback Registers .............................................................. 58

ITU-R BT.656 Tx Configuration.................................................. 63

I2C Interface .................................................................................... 64

I2C Sequencer.............................................................................. 65

I2C Register Maps ........................................................................... 66

PCB Layout Recommendations.................................................. 100

Analog Interface Inputs ........................................................... 100

Power Supply Decoupling ....................................................... 100

VREFN and VREFP................................................................. 100

Digital Outputs (Both Data and Clocks) .............................. 100

Digital Inputs ............................................................................ 100

Typical Circuit Connection......................................................... 101

Outline Dimensions ..................................................................... 102

Ordering Guide ........................................................................ 102

Automotive Products ............................................................... 102

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