adf7023-j Analog Devices, Inc., adf7023-j Datasheet - Page 6

• Manufacturer Part Number: adf7023-j
• Description: High Performance, Low Power, Ism Band Fsk/gfsk/msk/gmsk Transceiver Ic
• Manufacturer: Analog Devices, Inc.

ADF7023-J
SPECIFICATIONS
V
V
RF AND SYNTHESIZER SPECIFICATIONS
Table 1.
Parameter
RF CHARACTERISTICS
PHASE-LOCKED LOOP
CRYSTAL OSCILLATOR
1
2
3
130 kHz closed-loop bandwidth recommended for T96/15.4 g, 50 kbps and 100 kbps data rates (see Table 31).
223 kHz closed-loop bandwidth recommended for T96/15.4 g, 200 kbps data rate (see Table 31).
As the 26 MHz XTAL is fixed, integer boundary spurs occur at 910 MHz and 936 MHz (N = 35 and N = 36).
DD
DD
Frequency Range
Channel Frequency Resolution
Phase Noise at Offset of
VCO Calibration Time
Synthesizer Settling Time
Integer Boundary Spurious
Crystal Frequency
Recommended Load Capacitance
Maximum Crystal ESR
Pin Capacitance
Start-Up Time
= VDDBAT1 = VDDBAT2 = 2.2 V to 3.6 V, GND = 0 V, T
= 3 V and T
600 kHz
800 kHz
600 kHz
800 kHz
1 MHz
2 MHz
10 MHz
(26 MHz × N) + 0.1 MHz
(26 MHz × N) + 1.0 MHz
A
= 25°C.
3
Min
902
7
Typ
396.7
−116.3
−119.4
−113.8
−117.2
−126
−131
−142
142
56
−39
−79
26
1800
2.1
310
388
Max
958
18
Rev. 0 | Page 6 of 100
A
Unit
MHz
Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
μs
μs
dBc
dBc
MHz
pF
Ω
pF
μs
μs
= T
MIN
to T
Test Conditions/Comments
130 kHz closed-loop bandwidth
130 kHz closed-loop bandwidth
223 kHz closed-loop bandwidth
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
Parallel load resonant crystal
26 MHz crystal with 18 pF load capacitance
26 MHz crystal with 18 pF load capacitance
PA output power = 10 dBm, RF frequency = 950 MHz
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
Capacitance for XOSC26P and XOSC26N
26 MHz crystal with 7 pF load capacitance
MAX
, unless otherwise noted. Typical specifications are at
1
2