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ADV7342 Fiches technique(PDF) 2 Page - Analog Devices

No de pièce ADV7342
Description  Multiformat Video Encoder Six, 11-Bit, 297 MHz DACs
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
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ADV7342 Fiches technique(HTML) 2 Page - Analog Devices

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ADV7342/ADV7343
Data Sheet
Rev. | Page 2 of 108
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Revision History ............................................................................... 4
General Description......................................................................... 5
Functional Block Diagram .............................................................. 6
Specifications..................................................................................... 7
Power Supply and Voltage Specifications.................................. 7
Voltage Reference Specifications................................................ 7
Input Clock Specifications .......................................................... 7
Analog Output Specifications..................................................... 8
Digital Input/Output Specifications—3.3 V ............................. 8
Digital Input/Output Specifications—1.8 V ............................. 8
Digital Timing Specifications—3.3 V........................................ 9
Digital Timing Specifications—1.8 V...................................... 10
MPU Port Timing Specifications ............................................. 11
Power Specifications .................................................................. 11
Video Performance Specifications ........................................... 12
Timing Diagrams............................................................................ 13
Absolute Maximum Ratings.......................................................... 20
Thermal Resistance .................................................................... 20
ESD Caution................................................................................ 20
Pin Configuration and Function Descriptions........................... 21
Typical Performance Characteristics ........................................... 23
MPU Port Description................................................................... 28
I2C Operation.............................................................................. 28
Register Map Access....................................................................... 30
Register Programming............................................................... 30
Subaddress Register (SR7 to SR0) ............................................ 30
Input Configuration ....................................................................... 48
Standard Definition Only.......................................................... 48
Enhanced Definition/High Definition Only .......................... 49
Simultaneous Standard Definition and Enhanced
Definition/High Definition....................................................... 49
Enhanced Definition Only (at 54 MHz) ................................. 50
Output Configuration.................................................................... 51
Design Features............................................................................... 52
Output Oversampling................................................................ 52
HD Interlace External P_HSYNC and P_VSYNC
Considerations............................................................................ 53
ED/HD Timing Reset ................................................................ 53
SD Subcarrier Frequency Lock................................................. 53
SD VCR FF/RW Sync ................................................................ 54
Vertical Blanking Interval ......................................................... 54
SD Subcarrier Frequency Control............................................ 54
SD Noninterlaced Mode............................................................ 54
SD Square Pixel Mode ............................................................... 55
Filters............................................................................................ 56
ED/HD Test Pattern Color Controls ....................................... 57
Color Space Conversion Matrix ............................................... 57
SD Luma and Color Scale Control........................................... 59
SD Hue Adjust Control.............................................................. 59
SD Brightness Detect ................................................................. 59
SD Brightness Control............................................................... 59
SD Input Standard Autodetection............................................ 60
Double Buffering........................................................................ 61
Programmable DAC Gain Control .......................................... 61
Gamma Correction.................................................................... 61
ED/HD Sharpness Filter and Adaptive Filter Controls......... 63
ED/HD Sharpness Filter and Adaptive Filter Application
Examples...................................................................................... 64
SD Digital Noise Reduction...................................................... 65
SD Active Video Edge Control ................................................. 66
External Horizontal and Vertical Synchronization Control. 68
Low Power Mode........................................................................ 69
Cable Detection .......................................................................... 69
DAC Autopower-Down............................................................. 69
Sleep Mode.................................................................................. 70
Pixel and Control Port Readback............................................. 70
Reset Mechanism........................................................................ 70
SD Teletext Insertion ................................................................. 70
Printed Circuit Board Layout and Design .................................. 72
Unused Pins ................................................................................ 72
DAC Configurations.................................................................. 72
Voltage Reference ....................................................................... 72
Video Output Buffer and Optional Output Filter.................. 72
Printed Circuit Board (PCB) Layout ....................................... 73
Typical Application Circuit....................................................... 75
Copy Generation Management System....................................... 76
SD CGMS .................................................................................... 76
ED CGMS.................................................................................... 76
D


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