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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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STM32L443CC Arkusz danych(PDF) 144 Page - STMicroelectronics |
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STM32L443CC Arkusz danych(HTML) 144 Page - STMicroelectronics |
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144 / 207 page  Electrical characteristics STM32L443CC STM32L443RC STM32L443VC 144/207 DocID028739 Rev 2 THD Total harmonic distortion ADC clock frequency ≤ 80 MHz, Sampling rate ≤ 5.33 Msps, VDDA = VREF+ = 3 V, TA = 25 °C Single ended Fast channel (max speed) - -74 -73 dB Slow channel (max speed) - -74 -73 Differential Fast channel (max speed) - -79 -76 Slow channel (max speed) - -79 -76 1. Guaranteed by design. 2. ADC DC accuracy values are measured after internal calibration. 3. ADC accuracy vs. negative Injection Current: Injecting negative current on any analog input pins should be avoided as this significantly reduces the accuracy of the conversion being performed on another analog input. It is recommended to add a Schottky diode (pin to ground) to analog pins which may potentially inject negative current. 4. The I/O analog switch voltage booster is enable when VDDA < 2.4 V (BOOSTEN = 1 in the SYSCFG_CFGR1 when VDDA < 2.4 V). It is disable when VDDA ≥ 2.4 V. No oversampling. Table 65. ADC accuracy - limited test conditions 1(1)(2)(3) (continued) Sym- bol Parameter Conditions(4) Min Typ Max Unit |
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