ADF7024 datasheet(4/24 Pages) AD

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ADF7024

Data Sheet

Rev. B | Page 4 of 24

SPECIFICATIONS

VDD = VDDBAT1 = VDDBAT2 = 2.2 V to 3.6 V, GND = 0 V, TA = TMIN to TMAX, unless otherwise noted. Typical specifications are at

VDD = 3 V, TA = 25°C.

RF AND SYNTHESIZER SPECIFICATIONS

Table 2.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

RF CHARACTERISTICS

Frequency Ranges

862

928

MHz

All radio profiles

431

435

MHz

Radio Profile B only

PHASE-LOCKED LOOP (PLL)

Channel Frequency Resolution

396.7

Phase Noise (In-Band)

−88

dBc/Hz

10 kHz offset, PA output power = 10 dBm, RF = 868 MHz

Phase Noise at Offset

1 MHz

−126

dBc/Hz

PA output power = 10 dBm, RF = 868 MHz

2 MHz

−131

dBc/Hz

PA output power = 10 dBm, RF = 868 MHz

10 MHz

−142

dBc/Hz

PA output power = 10 dBm, RF = 868 MHz

VCO Calibration Time

142

μs

Synthesizer Settling Time

μs

Frequency synthesizer settles to within ±5 ppm of the

target frequency within this time following the VCO

calibration in transmit and receive

CRYSTAL OSCILLATOR

Crystal Frequency

MHz

Parallel load resonant crystal

Recommended Load Capacitance

Maximum Crystal ESR

1800

26 MHz crystal with 18 pF load capacitance

Pin Capacitance

2.1

Capacitance for XOSC26P and XOSC26N

Start-Up Time

310

μs

26 MHz crystal with 7 pF load capacitance

388

μs

26 MHz crystal with 18 pF load capacitance

SPURIOUS EMISSIONS

Integer Boundary Spurious

910.1 MHz

−39

dBc

Radio Profile A, integer boundary spur at 910 MHz (26 MHz ×

35), inside synthesizer loop bandwidth

911.0 MHz

−79

dBc

Radio Profile A, integer boundary spur at 910 MHz (26 MHz ×

35), outside synthesizer loop bandwidth

Reference Spurious

868 MHz/915 MHz

−80

dBc

Radio Profile A

Clock Related Spur Level

−60

dBc

Measured in a span of ±350 MHz, RF = 868.95 MHz, PA output

power = 10 dBm, VDD = 3.6 V

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