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AD9920A Folha de dados(PDF) 2 Page - Analog Devices |
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AD9920A Folha de dados(HTML) 2 Page - Analog Devices |
2 / 112 page AD9920A Rev. B | Page 2 of 112 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 3 Specifications..................................................................................... 4 Digital Specifications ................................................................... 5 Analog Specifications................................................................... 5 Timing Specifications .................................................................. 7 Vertical Driver Specifications ..................................................... 8 Absolute Maximum Ratings.......................................................... 10 Thermal Resistance .................................................................... 10 ESD Caution................................................................................ 10 Pin Configuration and Function Descriptions........................... 11 Typical Performance Characteristics ........................................... 14 Equivalent Circuits ......................................................................... 15 Terminology .................................................................................... 16 Theory of Operation ...................................................................... 17 H-Counter Behavior in Slave Mode......................................... 17 High Speed Precision Timing Core........................................... 18 Digital Data Outputs.................................................................. 22 Horizontal Clamping and Blanking......................................... 23 Horizontal Timing Sequence Example.................................... 30 Vertical Timing Generation ...................................................... 32 Vertical Sequences (VSEQ) ....................................................... 34 Vertical Timing Example........................................................... 51 Internal Vertical Driver Connections (18-Channel Mode) .. 53 Internal Vertical Driver Connections (19-Channel Mode) .. 54 Output Polarity of Vertical Transfer Clocks and Substrate Clock ............................................................................................ 55 V-Driver Slew Rate Control...................................................... 60 Shutter Timing Control ............................................................. 60 Substrate Clock Operation (SUBCK) ...................................... 60 Field Counters............................................................................. 63 General-Purpose Outputs (GPOs) .......................................... 64 GP Lookup Table (LUT)............................................................ 68 Complete Exposure/Readout Operation Using Primary Counter and GPO Signals ......................................................... 69 SG Control Using GPO ............................................................. 71 Manual Shutter Operation Using Enhanced SYNC Modes.. 73 Analog Front End Description and Operation ...................... 77 Applications Information .............................................................. 79 Power-Up Sequence for Master Mode..................................... 79 Power-Up Sequence for Slave Mode........................................ 81 Power-Down Sequence for Master and Slave Modes ............ 83 Additional Restrictions in Slave Mode.................................... 84 Vertical Toggle Position Placement Near Counter Reset...... 85 Standby Mode Operation .......................................................... 86 CLI Frequency Change.............................................................. 86 Circuit Layout Information........................................................... 88 Typical 3 V System ..................................................................... 88 External Crystal Application .................................................... 88 Circuit Configurations .............................................................. 89 Serial Interface ................................................................................ 93 Serial Interface Timing .............................................................. 93 Layout of Internal Registers ...................................................... 94 Updating New Register Values ................................................. 95 Complete Register Listing ............................................................. 96 Outline Dimensions ..................................................................... 112 Ordering Guide ........................................................................ 112 |
Nº de peça semelhante - AD9920A_15 |
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Descrição semelhante - AD9920A_15 |
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