ADF7025BCPZ Analog Devices Inc, ADF7025BCPZ Datasheet - Page 2

• Manufacturer Part Number: ADF7025BCPZ
• Description: IC ASK/FSK TXRX 928MHZ 48-LFCSP
• Manufacturer: Analog Devices Inc

Specifications of ADF7025BCPZ

• Frequency: 431MHz ~ 464MHz, 862MHz ~ 870MHz and 902MHz ~ 928MHz
• Data Rate - Maximum: 384kbps
• Modulation Or Protocol: FSK
• Applications: Keyless Entery, Home Automation, Wireless Audio/Video
• Power - Output: -20dBm ~ 13dBm
• Sensitivity: -104dBm
• Voltage - Supply: 2.3 V ~ 3.6 V
• Current - Receiving: 19mA
• Current - Transmitting: 28mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LFCSP
• Receiving Current: 21mA
• Transmitting Current: 19.3mA
• Data Rate: 384Kbps
• Frequency Range: 431MHz To 928MHz
• Modulation Type: FSK
• Rf Ic Case Style: LFCSP
• No. Of Pins: 48
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-ADF70XXEKZ1 - KIT DEV ADF702X FOR BF533EZKITEVAL-ADF7025DBZ1 - BOARD EVAL ADF7025 902-928MHZ
• Memory Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

ADF7025
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
General Description ......................................................................... 3
Specifications..................................................................................... 4
Timing Characteristics..................................................................... 7
Absolute Maximum Ratings............................................................ 9
Pin Configuration and Function Descriptions........................... 10
Typical Performance Characteristics ........................................... 12
Frequency Synthesizer ................................................................... 15
Transmitter ...................................................................................... 18
Receiver............................................................................................ 19
REVISION HISTORY
2/06—Rev. 0 to Rev. A
Replaced Figure 40 ................................................................ Page 29
1/06—Revision 0: Initial Version
Timing Diagrams.......................................................................... 7
ESD Caution.................................................................................. 9
Reference Input Section............................................................. 15
Choosing Channels for Best System Performance................. 17
RF Output Stage.......................................................................... 18
Modulation Scheme ................................................................... 18
RF Front End............................................................................... 19
RSSI/AGC.................................................................................... 20
FSK Demodulators on the ADF7025....................................... 20
FSK Correlator/Demodulator................................................... 20
Linear FSK Demodulator .......................................................... 22
Rev. A | Page 2 of 44
Applications Section....................................................................... 23
Serial Interface ................................................................................ 27
Registers........................................................................................... 28
Outline Dimensions ....................................................................... 41
Automatic Sync Word Recognition ......................................... 22
LNA/PA Matching...................................................................... 23
Transmit Protocol and Coding Considerations ..................... 24
Device Programming after Initial Power-Up ............................. 24
Interfacing to Microcontroller/DSP ........................................ 24
Readback Format........................................................................ 27
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
Ordering Guide .......................................................................... 41