參數(shù)資料
型號: SI8252
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
文件頁數(shù): 6/30頁
文件大?。?/td> 932K
代理商: SI8252
Si8250/1/2
6
Preliminary Rev. 0.8
Table 4. ADC0 (12-Bit ADC) 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
DC Accuracy
Resolution
12
bits
Integral Nonlinearity
±2
LSB
Differential Nonlinearity
Guaranteed Monotonic
±1
LSB
Offset Error
±3
LSB
Full Scale Error
Differential mode
3
LSB
Offset Temperature Coefficient
TBD
ppm/°C
Dynamic Performance (10 kHz sine-wave Single-ended input, 0 to 1 dB below Full Scale, 200 ksps)
Signal-to-Noise Plus Distortion
64
dB
Total Harmonic Distortion
Up to the 5
th
harmonic
83
dB
Spurious-Free Dynamic Range
–73
dB
Conversion Rate
Conversion Time in SAR Clocks
Note 1
13
clocks
Track/Hold Acquisition Time
Note 2
1
μs
Throughput Rate
200
ksps
Analog Inputs
Input Voltage Range
0
V
REF
V
Input Capacitance
15
pF
Temperature Sensor
Linearity
Notes 3, 4
±TBD
°C
Gain
Notes 3, 4
1353
μV/°C
Offset
Notes 3, 4 (Temp = 0 °C)
488
mV
Power Specifications
Power Supply Current (V
DD
sup-
plied to ADC0)
Operating Mode, 200 ksps
780
μA
Power-On Time
After V
REF
settle, before tracking
begins
5
μs
Power Supply Rejection
TBD
mV/V
Notes:
1.
An additional 2
F
CLK
cycles are required to start and complete a conversion.
2.
Additional tracking time may be required depending on the output impedance connected to the ADC input.
3.
Represents one standard deviation from the mean.
4.
Includes ADC offset, gain, and linearity variations.
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SI8252-IM DIGITAL POWER CONTROLLER
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