參數(shù)資料
型號(hào): SI8250
廠商: Silicon Laboratories Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: DIGITAL POWER CONTROLLER
中文描述: 數(shù)字化電源控制器
文件頁(yè)數(shù): 7/30頁(yè)
文件大?。?/td> 932K
代理商: SI8250
Si8250/1/2
Preliminary Rev. 0.8
7
Table 5. ADC1 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
Sampling Frequency
ADCSP = 0
10
Msps
ADCSP = 1
5
Resolution
6
Bits
LSB Size
4
20
mV
Differential Input Voltage Range
Note 1
–32
+31
LSB
Common-mode input voltage range
0.8
1.3
V
Integral Nonlinearity
–2
+2
LSB
Differential Nonlinearity
–1
+1
LSB
Gain Error
5
%
Offset Error
3
mV
Input Bias Current
5
μA
Standby Mode Supply Current
disabled
0.1
μA
Operating Mode Supply Current
3
mA
Notes:
1.
LSB size (mV) is programmable using the RES[3:0] bits in the ADC1CN register.
Table 6. DSP Filter Engine Electrical 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
Resolution
1
9
Bits
Dithering
2
6
Bits
Standby Mode Supply Current
disabled
0.1
μA
Notes:
1.
Internal word length = 22 bits.
2.
Up to a total 15 bits of resolution when dithering is enabled.
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