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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STM32L412C8I6TR 데이터시트(PDF) 144 Page - STMicroelectronics |
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STM32L412C8I6TR 데이터시트(HTML) 144 Page - STMicroelectronics |
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144 / 192 page  Electrical characteristics STM32L412xx 144/192 DS12469 Rev 4 THD Total harmonic distortion ADC clock frequency ≤ 80 MHz, Sampling rate ≤ 5.33 Msps, 2 V ≤ VDDA Single ended Fast channel (max speed) - -74 -65 dB Slow channel (max speed) - -74 -67 Differential Fast channel (max speed) - -79 -70 Slow channel (max speed) - -79 -71 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 78. ADC accuracy - limited test conditions 2(1)(2)(3) (continued) Sym- bol Parameter Conditions(4) Min Typ Max Unit |
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