ADF7021-NBCPZ Analog Devices Inc, ADF7021-NBCPZ Datasheet - Page 2

• Manufacturer Part Number: ADF7021-NBCPZ
• Description: IC TXRX 80-650/842-916MHZ 48LFCS
• Manufacturer: Analog Devices Inc

Specifications of ADF7021-NBCPZ

• Frequency: 80MHz ~ 650MHz, 842MHz ~ 916MHz
• Data Rate - Maximum: 33kbps
• Modulation Or Protocol: 2-FSK, 3-FSK, 4-FSK, MSK
• Applications: Keyless Entery, Pagers, WMTS
• Power - Output: -16dBm ~ 13dBm
• Sensitivity: -130dBm
• Voltage - Supply: 2.3 V ~ 6 V
• Current - Receiving: 26mA
• Current - Transmitting: 32.3mA @ 10dBm
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LFCSP
• Receiving Current: 26.4mA
• Transmitting Current: 20.2mA
• Data Rate: 24Kbps
• Frequency Range: 80MHz To 916MHz
• Modulation Type: FSK, MSK
• Rf Ic Case Style: LFCSP
• No. Of Pins: 48
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 7mm
• Product Length (mm): 7mm
• Operating Supply Voltage (min): 2.3V
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-ADF7021DBZ6 - BOARD EVAL ADF7021 608-614MHZEVAL-ADF7021DBZ5 - BOARD EVAL ADF7021EVAL-ADF7021DBZ3 - BOARD DAUGHTER FOR ADF7021EVAL-ADF7021DBZ2 - BOARD EVAL FOR ISM ADF7021
• Memory Size: -
• Lead Free Status / Rohs Status: Compliant

ADF7021-N
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
General Description ......................................................................... 3
Specifications..................................................................................... 4
Absolute Maximum Ratings.......................................................... 15
Pin Configuration and Function Descriptions........................... 16
Typical Performance Characteristics ........................................... 18
Frequency Synthesizer ................................................................... 22
Transmitter ...................................................................................... 26
Receiver Section.............................................................................. 30
REVISION HISTORY
2/08—Revision 0: Initial Version
RF and PLL Specifications........................................................... 4
Transmission Specifications........................................................ 5
Receiver Specifications ................................................................ 6
Digital Specifications ................................................................... 9
General Specifications ............................................................... 10
Timing Characteristics .............................................................. 11
Timing Diagrams........................................................................ 12
ESD Caution................................................................................ 15
Reference Input........................................................................... 22
MUXOUT.................................................................................... 23
Voltage Controlled Oscillator (VCO) ...................................... 24
Choosing Channels for Best System Performance................. 25
RF Output Stage.......................................................................... 26
Modulation Schemes.................................................................. 26
Spectral Shaping ......................................................................... 28
Modulation and Filtering Options ........................................... 29
Transmit Latency ........................................................................ 29
Test Pattern Generator............................................................... 29
RF Front End............................................................................... 30
IF Filter......................................................................................... 30
RSSI/AGC.................................................................................... 30
Rev. 0 | Page 2 of 64
Applications Information .............................................................. 38
Serial Interface ................................................................................ 46
Outline Dimensions ....................................................................... 64
Demodulation, Detection, and CDR ....................................... 32
Receiver Setup............................................................................. 34
Demodulator Considerations ................................................... 36
AFC Operation ........................................................................... 36
Automatic Sync Word Detection (SWD)................................ 37
IF Filter Bandwidth Calibration ............................................... 38
LNA/PA Matching...................................................................... 39
Image Rejection Calibration ..................................................... 40
Packet Structure and Coding.................................................... 42
Programming After Initial Power-Up ..................................... 42
Applications Circuit ................................................................... 45
Readback Format........................................................................ 46
Interfacing to a Microcontroller/DSP ..................................... 48
Register 0—N Register............................................................... 49
Register 1—VCO/Oscillator Register ...................................... 50
Register 2—Transmit Modulation Register ............................ 51
Register 3—Transmit/Receive Clock Register........................ 52
Register 4—Demodulator Setup Register ............................... 53
Register 5—IF Filter Setup Register......................................... 54
Register 6—IF Fine Cal Setup Register ................................... 55
Register 7—Readback Setup Register...................................... 56
Register 8—Power-Down Test Register .................................. 57
Register 9—AGC Register......................................................... 58
Register 10—AFC Register ....................................................... 59
Register 11—Sync Word Detect Register................................ 60
Register 12—SWD/Threshold Setup Register........................ 60
Register 13—3FSK/4FSK Demod Register ............................. 61
Register 14—Test DAC Register............................................... 62
Register 15—Test Mode Register ............................................. 63
Ordering Guide .......................................................................... 64