ADF7021-VBCPZ-RL Analog Devices Inc, ADF7021-VBCPZ-RL Datasheet - Page 12

• Manufacturer Part Number: ADF7021-VBCPZ-RL
• Description: Narrow Band Transceiver 433/868/900 MHz
• Manufacturer: Analog Devices Inc

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
4FSK Timing
In 4FSK receive mode, MSB/LSB synchronization should be guaranteed by detection of the SWD pin in the receive bit stream.
Tx/Rx MODE
Tx/Rx MODE
TxRxDATA
TxRxDATA
TxRxCLK
TxRxCLK
SLE
SLE
Rx SYMBOL
Tx SYMBOL
MSB
MSB
t
BIT
t
SYMBOL
Rx SYMBOL
Tx SYMBOL
Figure 6. Receive-to-Transmit Timing Diagram in 4FSK Mode
Figure 7. Transmit-to-Receive Timing Diagram in 4FSK Mode
LSB
LSB
Rx SYMBOL
Tx SYMBOL
MSB
MSB
Rx MODE
Tx MODE
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Rx SYMBOL
Tx SYMBOL
LSB
LSB
t
14
t
11
REGISTER 0 WRITE
REGISTER 0 WRITE
t
SWITCH FROM Tx TO Rx
SWITCH FROM Rx TO Tx
15
Tx SYMBOL
MSB
Tx SYMBOL
Rx SYMBOL
t
MSB
LSB
t
BIT
12
t
SYMBOL
Rx MODE
Tx MODE
t
13
Tx SYMBOL
Rx SYMBOL
MSB
LSB