参数资料
型号: MB90573PFF
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120
封装: PLASTIC, LQFP-120
文件页数: 8/120页
文件大小: 1754K
代理商: MB90573PFF
MB90570 Series
105
7.
Notes on Using A/D Converter
Select the output impedance value for the external circuit of analog input according to the following conditions.
Output impedance values of the external circuit MB90V570/V570A/573/574 are 5 k
or lower, MB90F574/574A/
574C are 10 k
or lower are recommended.
When capacitors are connected to external pins, the capacitance of several thousand times the internal capacitor
value is recommended to minimized the effect of voltage distribution between the external capacitor and internal
capacitor.
When the output impedance of the external circuit is too high, the sampling period for analog voltages may not
be sufficient (sampling period = 4.00
s @machine clock of 16 MHz).
Error
The smaller the | AVRH – AVRL |, the greater the error would become relatively.
Equipment of analog input circuit model
Note : Listed values must be considered as standards.
Comparator
Analog input
C0
C1
MB90573/4, MB90V570/A R
3.2 k, C 30 pF
MB90F574/A
R
7.1 k, C 48.3 pF
MB90574C
R
2.2 k, C 45 pF
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相关代理商/技术参数
参数描述
MB90573PFV 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90573PMC1 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90574 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90574C 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90574CPFV 制造商:FUJITSU 功能描述:MicroController, 16-Bit, 120 Pin, Plastic, QFP