EVAL-ADF7021-NDBEZ Analog Devices Inc, EVAL-ADF7021-NDBEZ Datasheet - Page 43

• Manufacturer Part Number: EVAL-ADF7021-NDBEZ
• Description: 426MHz To 429 MHz, External L
• Manufacturer: Analog Devices Inc
• Type: Transceiver, FSKr

Specifications of EVAL-ADF7021-NDBEZ

• Frequency: 420MHz ~ 440MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: ADF7021-N
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q5835434A

WAIT 10µs (REGULATOR POWER-UP)
OPTIONAL. ONLY NECESSARY IF PA
RAMP DOWN IS REQUIRED.
CE HIGH
REFERENCE
TCXO
WAIT FOR PA TO RAMP UP (ONLY IF PA RAMP ENABLED)
WRITE TO REGISTER 3 (TURNS ON Tx/Rx CLOCKS)
Figure 55. Power-Up Sequence for Transmit Mode
WAIT FOR Tx LATENCY NUMBER OF BITS
WRITE TO REGISTER 1 (TURNS ON VCO)
WRITE TO REGISTER 0 (TURNS ON PLL)
WRITE TO REGISTER 2 (TURNS OFF PA)
WRITE TO REGISTER 2 (TURNS ON PA)
WAIT 0.7ms (TYPICAL VCO SETTLING)
WAIT 40µs (TYPICAL PLL SETTLING)
WAIT FOR PA TO RAMP DOWN
(REFER TO TABLE 12)
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POWER-DOWN
POWER-DOWN
Tx MODE
CE LOW
CE LOW
(REGULATOR POWER-UP + TYPICAL XTAL SETTLING)
REFERENCE
XTAL
WAIT 10µs + 1ms
CE HIGH
ADF7021-N