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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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AD9882A Datasheet(PDF) 2 Page - Analog Devices |
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AD9882A Datasheet(HTML) 2 Page - Analog Devices |
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2 / 40 page  AD9882A Rev. 0 | Page 2 of 40 TABLE OF CONTENTS Specifications............................................................................................3 Absolute Maximum Ratings ..................................................................6 Explanation of Test Levels..................................................................6 ESD Caution ........................................................................................6 Pin Configuration and Function Descriptions....................................7 Pin Descriptions of Shared Pins between Analog and Digital Interfaces ..............................................................................................8 Serial Port (2-Wire) ............................................................................8 Data Outputs........................................................................................8 Pin Function Detail: Analog Interface .............................................9 Power Supply .....................................................................................10 Theory of Operation: Interface Detection .........................................12 Active Interface Detection and Selection.......................................12 Power Management ..........................................................................12 Theory of Operation and Design Guide: Analog Interface .............13 General Description..........................................................................13 Input Signal Handling ......................................................................13 Hsync and Vsync Inputs ..................................................................13 Serial Control Port ............................................................................13 Output Signal Handling ...................................................................13 Clamping ............................................................................................13 Gain and Offset Control...................................................................14 Sync-on-Green (SOG)......................................................................15 Clock Generation ..............................................................................15 Timing: Analog Interface .....................................................................17 Timing Diagrams ..............................................................................18 Theory of Operation: Digital Interface...............................................19 Digital Interface Pin Descriptions ..................................................19 Capturing the Encoded Data...........................................................20 Data Frames .......................................................................................20 Special Characters .............................................................................20 Channel Resynchronization.............................................................20 Data Decoder .....................................................................................20 HDCP..................................................................................................20 General Timing Diagrams: Digital Interface.................................22 Timing Mode Diagrams: Digital Interface ....................................22 2-Wire Serial Register Map ..................................................................23 2-Wire Serial Control Register Detail.................................................26 Chip Identification ............................................................................26 PLL Divider Control .........................................................................26 Clamp Timing....................................................................................27 Hsync Output Pulse Width..............................................................27 Input Gain ..........................................................................................27 Input Offset ........................................................................................27 2-Wire Serial Control Port ...............................................................32 Sync Processing Engine ........................................................................35 Sync Slicer...........................................................................................35 Sync Separator ...................................................................................35 PCB Layout Recommendations...........................................................36 Analog Interface Inputs ....................................................................36 Digital Interface Inputs.....................................................................36 Power Supply Bypassing ...................................................................36 PLL ......................................................................................................37 Outputs: Data and Clocks ................................................................37 Digital Inputs .....................................................................................37 Voltage Reference ..............................................................................37 Outline Dimensions ..............................................................................38 Ordering Guide..................................................................................38 REVISION HISTORY 10/04—Revision 0: Initial Version |
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