SI4438 Datasheet, PDF (5/44 Pages) Silicon Laboratories – Low active power consumption

Si4438
Table 2. Synthesizer AC Electrical Characteristics¹
Parameter
Synthesizer Frequency
Range (Si4438)
Synthesizer Frequency
Resolution²
Synthesizer Settling Time
Phase Noise
Symbol
F_SYN
Test Condition
Min Typ Max Unit
425 — 525 MHz
F_RES-525
425–525 MHz
— 14.3 —
Hz
t_LOCK
L(f_M)
Measured from exiting Ready mode with —
XOSC running to any frequency.
Including VCO Calibration.
F = 10 kHz, 460 MHz
—
F = 100 kHz, 460 MHz
—
F = 1 MHz, 460 MHz
—
F = 10 MHz, 460 MHz
—
50
–106
–110
–123
–130
—
µs
— dBc/Hz
— dBc/Hz
— dBc/Hz
— dBc/Hz
Notes:
1. All minimum and maximum values are guaranteed by production test unless otherwise stated. All typical values apply
at VDD = 3.3 V and 25 °C unless otherwise stated.
2. Default API setting for modulation deviation resolution is double the typical value specified.
Rev 1.0
5