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STM32F303VC 数据表(PDF) 104 Page - STMicroelectronics |
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STM32F303VC 数据表(HTML) 104 Page - STMicroelectronics |
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104 / 148 page  fADC ADC clock frequency - 0.14 - 72 MHz fS(1) 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(1) External trigger frequency fADC = 72 MHz Resolution = 12 bits - - 5.14 MHz Resolution = 12 bits - - 14 1/fADC VAIN Conversion voltage range(2) -0 - VREF+ V RAIN(1) External input impedance - - - 100 k Ω CADC(1) Internal sample and hold capacitor - - 5 - pF tSTAB(1) Power-up time - 1 conversion cycle tCAL(1) Calibration time fADC = 72 MHz 1.56 µs - 112 1/fADC tlatr(1) 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(1) 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 Table 68. ADC characteristics (continued) Symbol Parameter Conditions Min Typ Max Unit |
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