參數(shù)資料
型號: SI8252-IM
廠商: SILICON LABORATORIES
元件分類: 微控制器/微處理器
英文描述: DIGITAL POWER CONTROLLER
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, QCC28
封裝: 5 X 5 MM, ROHS COMPLIANT, QFN-28
文件頁數(shù): 13/30頁
文件大?。?/td> 932K
代理商: SI8252-IM
Si8250/1/2
Preliminary Rev. 0.8
13
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
Units
Frequency
24.5
MHz
Start-up time
100
μs
Power supply sensitivity
0.3
%/V
Temperature coefficient
50
PPM/
°
C
Supply current
450
μA
Shutdown current
0.1
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
Units
Frequency
80
kHz
Start-up time
100
μs
Power supply sensitivity
1.7
%/V
Temperature coefficient
1000
PPM/
°
C
Supply current
4
μA
Shutdown current
0.1
μA
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