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ADF7025 データシート(PDF) 2 Page - Analog Devices |
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ADF7025 データシート(HTML) 2 Page - Analog Devices |
2 / 44 page ADF7025 Rev. A | Page 2 of 44 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 General Description ......................................................................... 3 Specifications..................................................................................... 4 Timing Characteristics..................................................................... 7 Timing Diagrams.......................................................................... 7 Absolute Maximum Ratings............................................................ 9 ESD Caution.................................................................................. 9 Pin Configuration and Function Descriptions........................... 10 Typical Performance Characteristics ........................................... 12 Frequency Synthesizer ................................................................... 15 Reference Input Section............................................................. 15 Choosing Channels for Best System Performance................. 17 Transmitter ...................................................................................... 18 RF Output Stage.......................................................................... 18 Modulation Scheme ................................................................... 18 Receiver............................................................................................ 19 RF Front End............................................................................... 19 RSSI/AGC.................................................................................... 20 FSK Demodulators on the ADF7025....................................... 20 FSK Correlator/Demodulator................................................... 20 Linear FSK Demodulator .......................................................... 22 Automatic Sync Word Recognition ......................................... 22 Applications Section....................................................................... 23 LNA/PA Matching...................................................................... 23 Transmit Protocol and Coding Considerations ..................... 24 Device Programming after Initial Power-Up ............................. 24 Interfacing to Microcontroller/DSP ........................................ 24 Serial Interface ................................................................................ 27 Readback Format........................................................................ 27 Registers........................................................................................... 28 Register 0—N Register............................................................... 28 Register 1—Oscillator/Filter Register...................................... 29 Register 2—Transmit Modulation Register ............................ 30 Register 3—Receiver Clock Register ....................................... 31 Register 4—Demodulator Setup Register ............................... 32 Register 5—Sync Byte Register................................................. 33 Register 6—Correlator/Demodulator Register ...................... 34 Register 7—Readback Setup Register...................................... 35 Register 8—Power-Down Test Register .................................. 36 Register 9—AGC Register......................................................... 37 Register 10—AGC 2 Register.................................................... 38 Register 12—Test Register......................................................... 39 Register 13—Offset Removal and Signal Gain Register ....... 40 Outline Dimensions ....................................................................... 41 Ordering Guide .......................................................................... 41 REVISION HISTORY 2/06—Rev. 0 to Rev. A Replaced Figure 40 ................................................................ Page 29 1/06—Revision 0: Initial Version |
同様の部品番号 - ADF7025 |
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同様の説明 - ADF7025 |
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