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STM32F303VCT6 Datasheet(PDF) 104 Page - STMicroelectronics |
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STM32F303VCT6 Datasheet(HTML) 104 Page - STMicroelectronics |
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104 / 132 page ![]() Electrical characteristics STM32F302xx/STM32F303xx 104/132 DocID023353 Rev 6 CADC(1) Internal sample and hold capacitor -5 - pF 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 tS(1) Sampling time fADC = 72 MHz 0.021 - 8.35 µs 1.5 - 601.5 1/fADC TADCVREG _STUP (1) ADC Voltage Regulator Start-up time -- 10 µs tCONV(1) Total conversion time (including sampling time) fADC = 72 MHz Resolution = 12 bits 0.19 - 8.52 µs Resolution = 12 bits 14 to 614 (tS for sampling + 12.5 for successive approximation) 1/fADC 1. Data guaranteed by design. 2. VREF+ can be internally connected to VDDA and VREF- can be internally connected to VSSA, depending on the package. Refer to Section 4: Pinouts and pin description for further details. Table 66. ADC characteristics (continued) Symbol Parameter Conditions Min Typ Max Unit Table 67. Maximum ADC RAIN (1) Resolution Sampling cycle @ 72 MHz Sampling time [ns] @ 72 MHz RAIN max (kΩ) Fast channels(2) Slow channels Other channels(3) 12 bits 1.5 20.83 0.018 NA NA 2.5 34.72 0.150 NA 0.022 4.5 62.50 0.470 0.220 0.180 7.5 104.17 0.820 0.560 0.470 19.5 270.83 2.70 1.80 1.50 61.5 854.17 8.20 6.80 4.70 181.5 2520.83 22.0 18.0 15.0 601.5 8354.17 82.0 68.0 47.0 |
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