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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32H753II датащи(PDF) 168 Page - STMicroelectronics |
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STM32H753II датащи(HTML) 168 Page - STMicroelectronics |
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168 / 361 page  Electrical characteristics (rev Y) STM32H753xI 168/360 DS12117 Rev 8 Note: ADC accuracy vs. negative injection current: injecting a negative current on any analog input pins should be avoided as this significantly reduces the accuracy of the conversion Table 87. ADC accuracy(1)(2)(3) 1. Guaranteed by characterization for BGA packages, the values for LQFP packages might differ. 2. ADC DC accuracy values are measured after internal calibration. 3. The above table gives the ADC performance in 16-bit mode. Symbol Parameter Conditions(4) 4. ADC clock frequency ≤ 36 MHz, 2 V ≤ VDDA ≤3.3 V, 1.6 V ≤ VREF ≤ VDDA, BOOSTEN (for I/O) = 1. Min Typ Max Unit ET Total unadjusted error Single ended BOOST = 1 - ±6 - ±LSB BOOST = 0 - ±8 - Differential BOOST = 1 - ±10 - BOOST = 0 - ±16 - ED Differential linearity error Single ended BOOST = 1 - 2 - BOOST = 0 - 1 - Differential BOOST = 1 - 8 - BOOST = 0 - 2 - EL Integral linearity error Single ended BOOST = 1 - ±6 - BOOST = 0 - ±4 - Differential BOOST = 1 - ±6 - BOOST = 0 - ±4 - ENOB(5) 5. ENOB, SINAD, SNR and THD are specified for VDDA = VREF = 3.3 V. Effective number of bits (2 MSPS) Single ended BOOST = 1 - 11.6 - bits BOOST = 0 - 12 - Differential BOOST = 1 - 13.3 - BOOST = 0 - 13.5 - SINAD(5) Signal-to- noise and distortion ratio (2 MSPS) Single ended BOOST = 1 - 71.6 - dB BOOST = 0 - 74 - Differential BOOST = 1 - 81.83 - BOOST = 0 - 83 - SNR(5) Signal-to- noise ratio (2 MSPS) Single ended BOOST = 1 - 72 - BOOST = 0 - 74 - Differential BOOST = 1 - 82 - BOOST = 0 - 83 - THD(5) Total harmonic distortion Single ended BOOST = 1 - −78 - BOOST = 0 - −80 - Differential BOOST = 1 - −90 - BOOST = 0 - −95 - |
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