參數(shù)資料
型號(hào): MB89T637RPF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: Scan Path Linkers With 4-Bit Identification Buses 28-LCCC -55 to 125
中文描述: 8-BIT, 10 MHz, MICROCONTROLLER, PQFP64
封裝: PLASTIC, QFP-64
文件頁數(shù): 45/59頁
文件大小: 864K
代理商: MB89T637RPF
MB89630R Series
45
7. Notes on Using A/D Converter
Input impedance of the analog input pins
The output impedance of the external circuit for the analog input must satisfy the followingconditions.
If the output impedance of the external circuit is too high, an analog voltage sampling time might beinsufficient
(sampling time = 6
μ
s at 10MHz oscillation.) Therefore, it is recommended to keep the output impedance of the
external circuit below 10 k
.
Error
The smaller the | AVR–AVss |, the greater the error would become relatively.
Analog input circuit model
Analog input
Note: The values mentioned here should be used as a guideline.
R
ON1
:
R
ON2
:
C
0
:
C
1
:
Converter
C
0
C
1
R
ON2
R
ON1
Approx. 1.5 k
Approx. 1.5 k
Approx. 60 pF
Approx. 4 pF
相關(guān)PDF資料
PDF描述
MB89635R Quadruple 2-Input Exclusive-OR Gates 14-CDIP -55 to 125
MB89635RP-SH Quadruple 2-Input Exclusive-OR Gates 14-CFP -55 to 125
MB89635RPF Quadruple 2-Input Exclusive-OR Gates 20-LCCC -55 to 125
MB89635RPFM Quadruple 2-Input Exclusive-OR Gates 14-CDIP -55 to 125
MB89P637 8-bit Proprietary Microcontroller
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