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AD9208 数据表(PDF) 3 Page - Analog Devices |
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AD9208 数据表(HTML) 3 Page - Analog Devices |
3 / 137 page AD9208 Data Sheet Rev. 0 | Page 2 of 136 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 3 General Description ......................................................................... 4 Specifications..................................................................................... 5 DC Specifications ......................................................................... 5 AC Specifications.......................................................................... 6 Digital Specifications ................................................................... 7 Switching Specifications .............................................................. 9 Timing Specifications ................................................................ 10 Absolute Maximum Ratings.......................................................... 12 Thermal Resistance .................................................................... 12 ESD Caution................................................................................ 12 Pin Configuration and Function Descriptions........................... 13 Typical Performance Characteristics ........................................... 16 Equivalent Circuits ......................................................................... 22 Theory of Operation ...................................................................... 24 ADC Architecture ...................................................................... 24 Analog Input Considerations.................................................... 24 Voltage Reference ....................................................................... 28 DC Offset Calibration................................................................ 29 Clock Input Considerations ...................................................... 29 Power-Down/Standby Mode..................................................... 31 Temperature Diode .................................................................... 31 ADC Overrange and Fast Detect.................................................. 33 ADC Overrange.......................................................................... 33 Fast Threshold Detection (FD_A and FD_B) ........................ 33 ADC Application Modes and JESD204B Tx Converter Mapping ........................................................................................................... 34 Programmable FIR filters .............................................................. 36 Supported Modes........................................................................ 36 Programming Instructions........................................................ 38 Digital Downconverter (DDC)..................................................... 40 DDC I/Q Input Selection .......................................................... 40 DDC I/Q Output Selection ....................................................... 40 DDC General Description ........................................................ 40 DDC Frequency Translation..................................................... 43 DDC Decimation Filters............................................................ 51 DDC Gain Stage ......................................................................... 57 DDC Complex to Real Conversion ......................................... 57 DDC Mixed Decimation Settings ............................................ 58 DDC Example Configurations ................................................. 59 DDC Power Consumption........................................................ 63 Signal Monitor ................................................................................ 64 SPORT over JESD204B.............................................................. 65 Digital Outputs ............................................................................... 67 Introduction to the JESD204B Interface ................................. 67 JESD204B Overview .................................................................. 67 Functional Overview ................................................................. 68 JESD204B Link Establishment ................................................. 68 Physical Layer (Driver) Outputs .............................................. 70 fS × 4 Mode .................................................................................. 71 Setting Up the AD9208 digital interface.................................. 72 Deterministic Latency.................................................................... 78 Subclass 0 Operation.................................................................. 78 Subclass 1 Operation.................................................................. 78 Multichip Synchronization............................................................ 80 Normal Mode.............................................................................. 80 Timestamp Mode ....................................................................... 80 SYSREF Input.............................................................................. 82 SYSREF± Setup/Hold Window Monitor................................. 84 Latency............................................................................................. 86 End to End Total Latency.......................................................... 86 Example Latency Calculations.................................................. 86 LMFC Referenced Latency........................................................ 86 Test Modes....................................................................................... 88 ADC Test Modes ........................................................................ 88 JESD204B Block Test Modes .................................................... 89 Serial Port Interface........................................................................ 91 Configuration Using the SPI..................................................... 91 Hardware Interface..................................................................... 91 SPI Accessible Features.............................................................. 91 Memory Map .................................................................................. 92 Reading the Memory Map Register Table............................... 92 Memory Map Register Details.................................................. 93 Applications Information ............................................................ 134 Power Supply Recommendations........................................... 134 Layout Guidelines..................................................................... 135 AVDD1_SR (Pin E7) and AGND (Pin E6 and Pin E8)........... 135 |
类似零件编号 - AD9208 |
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类似说明 - AD9208 |
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