參數(shù)資料
型號： MB90F343CEPFV
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 16-bit Microcontroller
中文描述： 16-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP100
封裝： 14 X 14 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù)： 68/84頁
文件大?。?/td> 1098K
代理商： MB90F343CEPFV
MB90340E Series
68
7.
Notes on A/D Converter Section
Use the device with external circuits of the following output impedance for analog inputs :
Recommended output impedance of external circuits are : Approx. 1.5 k
or lower (4.0 V
≤
AV
CC
≤
5.5 V,
sampling period
=
0.5
μ
s)
If an external capacitor is used, in consideration of the capacitive voltage dividing effect between the external
capacitor and the internal on-chip capacitor, it is recommended that the capacitance of the external capacitor
be several thousand times greater than the capacitance of the internal capacitor.
If the output impedance of the external circuit is too high, a sampling period for an analog voltage may be
insufficient.
Analog input circuit model
C
Comparator
Analog input
R
4.5 V
≤
AV
CC
≤
5.5 V : R : 2.52 k
, C : 10.7 pF
4.0 V
≤
AV
CC
< 4.5 V : R : 13.6 k
, C : 10.7 pF
Note : Use the values in the figure only as a guideline.
相關PDF資料
PDF描述
MB90F343CES 16-bit Microcontroller
MB90F343CESPF 16-bit Microcontroller
MB90F343CESPFV 16-bit Microcontroller
MB90F343E 16-bit Microcontroller
MB90F343EPF 16-bit Microcontroller
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