ADF7020BCP View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADF7020BCP Datasheet PDF : 40 Pages
| |||
ADF7020
TABLE OF CONTENTS
General Description ......................................................................... 3
Specifications..................................................................................... 4
Timing Characteristics..................................................................... 7
Absolute Maximum Ratings............................................................ 8
ESD Caution.................................................................................. 8
Pin Configuration and Function Descriptions............................. 9
Frequency Synthesizer ................................................................... 11
Reference Input Section............................................................. 11
Choosing Channels for Best System Performance................. 13
Transmitter ...................................................................................... 14
Modulation Schemes.................................................................. 14
Receiver Section.............................................................................. 16
RF Front End............................................................................... 16
RSSI/AGC Section...................................................................... 17
FSK Demodulators on the ADF7020 ....................................... 17
FSK Correlator/Demodulator................................................... 17
Linear FSK Demodulator .......................................................... 19
AFC Section ................................................................................ 19
Automatic Sync Word Recognition.......................................... 20
Applications Section....................................................................... 21
LNA/PA Matching...................................................................... 21
Transmit Protocol and Coding Considerations ..................... 22
Image Rejection Calibration ..................................................... 22
REVISION HISTORY
Revision PrH: Preliminary Version
Preliminary Technical Data
Device Programming after Initial Power-Up ......................... 22
Serial Interface ................................................................................ 24
Readback Format........................................................................ 24
Register 0—N Register............................................................... 25
Register 1—Oscillator/Filter Register...................................... 26
Register 2—Transmit Modulation Register (ASK/OOK
Mode)........................................................................................... 27
Register 2—Transmit Modulation Register (FSK Mode) ..... 28
Register 2—Transmit Modulation Register (GFSK/GOOK
Mode)........................................................................................... 29
Register 3—Receiver Clock Register ....................................... 30
Register 4—Demodulator Setup Register ............................... 31
Register 5—Sync Byte Register................................................. 32
Register 6—Correlator/Demodulator Register ...................... 33
Register 7—Readback Setup Register...................................... 34
Register 8—Power-Down Test Register .................................. 35
Register 9—AGC Register......................................................... 36
Register 10—AGC 2 Register.................................................... 37
Register 11—AFC Register ....................................................... 37
Register 12—Test Register......................................................... 38
Register 13—Offset Removal and Signal Gain Register ....... 39
Outline Dimensions ....................................................................... 40
Ordering Guide .......................................................................... 40
Rev. PrH | Page 2 of 40
Share Link: 