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ADF7241 Datasheet(PDF) 2 Page - Analog Devices

Part # ADF7241
Description  Low Power IEEE 802.15.4 Zero-IF 2.4 GHz Transceiver IC
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADF7241 Datasheet(HTML) 2 Page - Analog Devices

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ADF7241
Rev. 0 | Page 2 of 72
TABLE OF CONTENTS
Features .............................................................................................. 1
 
Applications....................................................................................... 1
 
Functional Block Diagram .............................................................. 1
 
Revision History ............................................................................... 2
 
General Description ......................................................................... 3
 
Specifications..................................................................................... 5
 
General Specifications ................................................................. 5
 
RF Frequency Synthesizer Specifications.................................. 5
 
Transmitter Specifications........................................................... 6
 
Receiver Specifications ................................................................ 6
 
Auxiliary Specifications ............................................................... 8
 
Current Consumption Specifications ........................................ 9
 
Timing and Digital Specifications.............................................. 9
 
Timing Diagrams........................................................................ 11
 
Absolute Maximum Ratings.......................................................... 15
 
ESD Caution................................................................................ 15
 
Pin Configuration and Function Descriptions........................... 16
 
Typical Performance Characteristics ........................................... 18
 
Terminology .................................................................................... 22
 
Radio Controller ............................................................................. 23
 
Sleep Modes................................................................................. 25
 
RF Frequency Synthesizer ............................................................. 26
 
RF Frequency Synthesizer Calibration .................................... 26
 
RF Frequency Synthesizer Bandwidth..................................... 27
 
RF Channel Frequency Programming..................................... 27
 
Reference Crystal Oscillator ..................................................... 27
 
Transmitter ...................................................................................... 28
 
Transmit Operating Modes ....................................................... 28
 
IEEE 802.15.4 Automatic RX-To-TX Turnaround Mode..... 30
 
Power Amplifier.......................................................................... 30
 
Receiver............................................................................................ 33
 
Receive Operation ...................................................................... 33
 
Receiver Calibration................................................................... 33
 
Receive Timing and Control ....................................................... 35
 
Clear Channel Assessment (CCA) ........................................... 36
 
Link Quality Indication (LQI) .................................................. 36
 
Automatic TX-to-RX Turnaround Mode ............................... 37
 
IEEE 802.15.4 Frame Filtering, Automatic Acknowledge, and
Automatic CSMA/CA................................................................ 37
 
Receiver Radio Blocks ............................................................... 39
 
SPORT Interface ............................................................................. 40
 
SPORT Mode .............................................................................. 40
 
Device Configuration .................................................................... 41
 
Configuration Values ................................................................. 41
 
RF Port Configurations/Antenna Diversity................................ 42
 
Auxillary Functions........................................................................ 43
 
Temperture Sensor ..................................................................... 43
 
Battery Monitor .......................................................................... 43
 
Wake-Up Controller (WUC).................................................... 43
 
Transmit Test Modes.................................................................. 44
 
Serial Peripheral interface (SPI) ................................................... 45
 
General Characteristics ............................................................. 45
 
Command Access....................................................................... 45
 
Status Word ................................................................................. 45
 
Memory Map .................................................................................. 47
 
BBRAM........................................................................................ 47
 
Modem Configuration RAM (MCR) ...................................... 47
 
Program ROM ............................................................................ 47
 
Program RAM ............................................................................ 47
 
Packet RAM ................................................................................ 47
 
Memory Access............................................................................... 49
 
Writing to the ADF7241............................................................ 50
 
Reading from the ADF7241...................................................... 50
 
Downloadable Firmware Modules............................................... 53
 
Interrupt Controller ....................................................................... 54
 
Configuration ............................................................................. 54
 
Description of Interrupt Sources ............................................. 55
 
Applications Circuits...................................................................... 56
 
Register Map ................................................................................... 60
 
Outline Dimensions ....................................................................... 71
 
Ordering Guide .......................................................................... 71
 
REVISION HISTORY
1/11—Revision 0: Initial Version


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