參數(shù)資料
型號: MB96F338UWAPMC-GSE2
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 56 MHz, MICROCONTROLLER, PQFP144
封裝: 20 X 20 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù): 15/124頁
文件大?。?/td> 2581K
代理商: MB96F338UWAPMC-GSE2
MB96330 Series
DS07-13805-1E
111
To satisfy the A/D conversion precision standard, the relationship between the external impedance and minimum
sampling time must be considered and then either the resistor value and operating frequency must be adjusted
or the external impedance must be decreased so that the sampling time (Tsamp) is longer than the minimum value.
Usually, this value is set to 7
τ, where τ = RC. If the external input resistance (Rext) connected to the analog input
is included, the sampling time is expressed as follows:
Tsamp [min] = 7
× (Rext + 2.6kΩ) × C for 4.5 ≤ AVcc ≤ 5.5
Tsamp [min] = 7
× (Rext + 12.1kΩ) × C for 3.0 ≤ AVcc ≤ 4.5
If the sampling time cannot be sufficient, connect a capacitor of about 0.1
μF to the analog input pin.
About the error
The accuracy gets worse as |AVRH - AVRL| becomes smaller.
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