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APM32F003F4P6-R 数据表(PDF) 39 Page - Geehy Semiconductor Co., Ltd. |
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APM32F003F4P6-R 数据表(HTML) 39 Page - Geehy Semiconductor Co., Ltd. |
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39 / 56 page ![]() www.geehy.com Page 38 Symbol Parameter Condition Min Typ Max Unit tS Sampling time fADC=14MHz - 0.107 - μs TCONV Sampling and conversion time fADC=14MHz - 1 - μs Figure 12 Typical application of ADC RAIN CADC VADC RADC SAR CAIN Note: Users can choose whether to increase parasitic capacitance based on their actual application(Capacitance value to be selected as needed). The formula for calculating the maximum external input impedance is as follows: Formula 1: formula of maximum RAIN RAIN< ������������ ������������������������ X ln(2������+2) -RADC Table 43 12-bit ADC accuracy Symbol Parameter Condition Typ Max Unit |ET| Total uncorrected error 3.3V~5V 6.5 - LSB |EO| offset error 3.3V~5V 2 - |EG| Gain error 3.3V~5V 4.5 - |ED| Differential linear error 3.3V~5V 1.5 - |EL| Integral linearity error 3.3V~5V 2.8 - |
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