Si1000/1/2/3/4/5
Table 4.17. Synthesizer AC Electrical Characteristics1
Parameter
Symbol
Conditions
Min
Typ
Max Units
Synthesizer Frequency
F
240
—
960
MHz
SYN
Range
Synthesizer Frequency
Resolution
F
Low Band, 240–480 MHz
High Band, 480–960 MHz
—
—
156.25
312.5
—
—
—
Hz
Hz
V
RES-LB
2
F
RES-HB
REF_LV
Reference Frequency
f
When using external reference
signal driving XOUT pin, instead
of using crystal. Measured peak-
0.7
1.6
2
Input Level
to-peak (V
)
PP
2
Synthesizer Settling Time
t
Measured from exiting Ready
mode with XOSC running to any
frequency.
—
—
200
2
—
4
µs
LOCK
Including VCO Calibration.
2
Residual FM
F
Integrated over 250 kHz band-
width (500 Hz lower bound of
integration)
kHz
RMS
RMS
2
Phase Noise
L(f )
F = 10 kHz
F = 100 kHz
F = 1 MHz
F = 10 MHz
—
—
—
—
–80
–90
—
—
—
—
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
M
–115
–130
Notes:
1. All specification guaranteed by production test unless otherwise noted. Production test conditions and max
limits are listed in the "Production Test Conditions" section on page 73.
2. Guaranteed by qualification. Qualification test conditions are listed in the "Production Test Conditions" section
on page 73.
Rev. 1.0
67
SILICON [ SILICON ]
