ADF7021-VBCPZ-RL Analog Devices Inc, ADF7021-VBCPZ-RL Datasheet - Page 41
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ADF7021-VBCPZ-RL
Manufacturer Part Number
ADF7021-VBCPZ-RL
Description
Narrow Band Transceiver 433/868/900 MHz
Manufacturer
Analog Devices Inc
Datasheet
1.EVAL-ADF7021-VDB2Z.pdf
(60 pages)
Specifications of ADF7021-VBCPZ-RL
Frequency
80MHz ~ 960MHz
Data Rate - Maximum
24 kbps
Modulation Or Protocol
FSK
Applications
ISM
Power - Output
13dBm
Sensitivity
-125dBm
Voltage - Supply
2.3 V ~ 3.6 V
Current - Receiving
21.7mA
Current - Transmitting
27.1mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
48-VFQFN, CSP Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ADF7021-V
TCXO
POWER-DOWN
XTAL
CE LOW
REFERENCE
REFERENCE
TURN ON EXTERNAL VCO AND
ALLOW ADEQUATE SETTLING
CE HIGH
CE HIGH
WAIT 50µs + 1ms
WAIT 50µs (REGULATOR POWER-UP)
(REGULATOR POWER-UP + TYPICAL XTAL SETTLING)
CHECK FOR REGULATOR READY
CHECK FOR REGULATOR READY
WRITE TO REGISTER 1
WRITE TO REGISTER 3
(TURNS ON Tx/Rx CLOCKS)
OPTIONAL:
ONLY NECESSARY IF
WRITE TO REGISTER 6 (SETS UP IF FILTER FINE CALIBRATION)
IF FILTER FINE
CALIBRATION
IS REQUIRED.
WRITE TO REGISTER 5 (STARTS IF FILTER CALIBRATION)
WAIT 0.2ms (COARSE CAL) OR WAIT 8.2ms
(COARSE CALIBRATION + FINE CALIBRATION)
OPTIONAL:
WRITE TO REGISTER 11 (SET UP SWD)
ONLY NECESSARY IF
WRITE TO REGISTER 12 (ENABLE SWD)
SWD IS REQUIRED.
WRITE TO REGISTER 0 (TURNS ON PLL)
WAIT 40µs (TYPICAL PLL SETTLING)
WRITE TO REGISTER 4 (TURNS ON DEMOD)
OPTIONAL:
ONLY NECESSARY IF
WRITE TO REGISTER 10 (TURNS ON AFC)
AFC IS REQUIRED.
Rx MODE
CE LOW
POWER-DOWN
OPTIONAL.
Figure 55. Power-Up Sequence for Receive Mode
Rev. 0 | Page 41 of 60