SI4X55-C Datasheet, PDF (5/39 Pages) Silicon Laboratories – Preamble sense mode

Si4x55-C
Table 2. Synthesizer AC Electrical Characteristics
Parameter
Synthesizer Frequency
Range
Symbol
F_SYN
Test Condition
Min Typ Max Unit
284 — 350 MHz
350 — 525 MHz
850 — 960 MHz
Synthesizer Frequency
Resolution
Phase Noise
F_RES-960
F_RES-525
F_RES-420
F_RES-350
Lf(fm)
850–960 MHz
420–525 MHz
350–420 MHz
283–350 MHz
DF = 10 kHz, 915 MHz
— 114.4 — Hz
— 57.2 — Hz
— 45.6 — Hz
— 38.1 — Hz
— 100 — dBc/Hz
DF = 10 kHz, 915 MHz
— 102.1 — dBc/Hz
DF = 10 kHz, 915 MHz
— 123.5 — dBc/Hz
DF = 10 kHz, 915 MHz
— 136.6 — dBc/Hz
Note: All minimum and maximum values are guaranteed across the recommended operating conditions of supply voltage and
from –40 to +85 °C unless otherwise stated. All typical values apply at VDD = 3.3 V and 25 °C unless otherwise stated.
Rev 1.0
5