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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F303C8 датащи(PDF) 87 Page - STMicroelectronics |
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STM32F303C8 датащи(HTML) 87 Page - STMicroelectronics |
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87 / 115 page  DocID025083 Rev 5 87/115 STM32F303x6/x8 Electrical characteristics 100 VREF- Negative reference voltage 0 V fADC ADC clock frequency - 0.14 - 72 MHz fS Sampling rate Resolution = 12 bits, Fast Channel 0.01 - 5.14 MSPS Resolution = 10 bits, Fast Channel 0.012 - 6 Resolution = 8 bits, Fast Channel 0.014 - 7.2 Resolution = 6 bits, Fast Channel 0.0175 - 9 fTRIG External trigger frequency fADC = 72 MHz Resolution = 12 bits - - 5.14 MHz Resolution = 12 bits - - 14 1/fADC VAIN Conversion voltage range - 0 - VDDA V RAIN External input impedance - - - 100 κΩ CADC Internal sample and hold capacitor -- 5 - pF tCAL Calibration time fADC = 72 MHz 1.56 µs - 112 1/fADC tlatr Trigger conversion latency Regular and injected channels without conversion abort CKMODE = 00 1.5 2 2.5 1/fADC CKMODE = 01 - - 2 1/fADC CKMODE = 10 - - 2.25 1/fADC CKMODE = 11 - - 2.125 1/fADC tlatrinj Trigger conversion latency Injected channels aborting a regular conversion CKMODE = 00 2.5 3 3.5 1/fADC CKMODE = 01 - - 3 1/fADC CKMODE = 10 - - 3.25 1/fADC CKMODE = 11 - - 3.125 1/fADC tS Sampling time fADC = 72 MHz 0.021 - 8.35 µs - 1.5 - 601.5 1/fADC tADCVREG _STUP ADC Voltage Regulator Start-up time -- - 10 µs tSTAB Power-up time - 1 conver sion cycle Table 61. ADC characteristics (continued) Symbol Parameter Conditions Min. Typ. Max. Unit |
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