SI8250 Datasheet, PDF (13/30 Pages) Silicon Laboratories – DIGITAL POWER CONTROLLER

Si8250/1/2
Table 15. 25MHz Oscillator Specifications
TA = –40 to +125 °C, VDD = 2.5 V, SYSCLK = 25 MHz, PLLCLK = 200 MHz unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Frequency
—
24.5
—
Start-up time
—
100
—
Power supply sensitivity
—
0.3
—
Temperature coefficient
—
50
—
Supply current
—
450
—
Shutdown current
—
0.1
—
Units
MHz
µs
%/V
PPM/°C
µA
µA
Table 16. Low Frequency Oscillator (LFO) Specifications
TA = –40 to +125 °C, VDD = 2.5 V, SYSCLK = 25 MHz, PLLCLK = 200 MHz unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Frequency
—
80
—
Start-up time
—
100
—
Power supply sensitivity
—
1.7
—
Temperature coefficient
—
1000
—
Supply current
—
4
—
Shutdown current
—
0.1
—
Units
kHz
µs
%/V
PPM/°C
µA
µA
Preliminary Rev. 0.8
13