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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32WB55 датащи(PDF) 147 Page - STMicroelectronics |
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STM32WB55 датащи(HTML) 147 Page - STMicroelectronics |
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147 / 193 page  DS11929 Rev 11 147/193 STM32WB55xx STM32WB35xx Electrical characteristics 169 THD Total harmonic distortion 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 80. ADC accuracy - Limited test conditions 2(1)(2)(3) (continued) Symbol Parameter Conditions(4) Min Typ Max Unit |
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