ADF7023-J View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADF7023-J Datasheet PDF : 100 Pages
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ADF7023-J
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 and TA = 25°C.
RF AND SYNTHESIZER SPECIFICATIONS
Table 1.
Parameter
RF CHARACTERISTICS
Frequency Range
PHASE-LOCKED LOOP
Channel Frequency Resolution
Phase Noise at Offset of
600 kHz
800 kHz
600 kHz
800 kHz
1 MHz
2 MHz
10 MHz
VCO Calibration Time
Synthesizer Settling Time
Integer Boundary Spurious3
(26 MHz × N) + 0.1 MHz
(26 MHz × N) + 1.0 MHz
CRYSTAL OSCILLATOR
Crystal Frequency
Recommended Load Capacitance
Maximum Crystal ESR
Pin Capacitance
Start-Up Time
Min Typ Max Unit Test Conditions/Comments
902
958 MHz
396.7
−116.3
−119.4
−113.8
−117.2
−126
−131
−142
142
56
−39
−79
Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
μs
μs
dBc
dBc
PA output power = 10 dBm, RF frequency = 950 MHz
130 kHz closed-loop bandwidth1
130 kHz closed-loop bandwidth
223 kHz closed-loop bandwidth2
223 kHz closed-loop bandwidth
Frequency synthesizer settles to within ±5 ppm of the target
frequency within this time following the VCO calibration,
transmit, and receive, 2FSK/GFSK/MSK/GMSK
N = 35 or 36
Using 130 kHz synthesizer bandwidth, integer boundary spur at
910 MHz (26 MHz × 35), inside synthesizer loop bandwidth
Using 130 kHz synthesizer bandwidth, integer boundary spur at
910 MHz (26 MHz × 35), outside synthesizer loop bandwidth
26
MHz Parallel load resonant crystal
7
18 pF
1800
Ω
26 MHz crystal with 18 pF load capacitance
2.1
pF
Capacitance for XOSC26P and XOSC26N
310
μs
26 MHz crystal with 7 pF load capacitance
388
μs
26 MHz crystal with 18 pF load capacitance
1 130 kHz closed-loop bandwidth recommended for T96/15.4 g, 50 kbps and 100 kbps data rates (see Table 31).
2 223 kHz closed-loop bandwidth recommended for T96/15.4 g, 200 kbps data rate (see Table 31).
3 As the 26 MHz XTAL is fixed, integer boundary spurs occur at 910 MHz and 936 MHz (N = 35 and N = 36).
Rev. 0 | Page 6 of 100
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