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STM32F058C8 데이터시트(PDF) 72 Page - STMicroelectronics |
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STM32F058C8 데이터시트(HTML) 72 Page - STMicroelectronics |
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72 / 104 page ![]() Electrical characteristics STM32F058C8 STM32F058R8 STM32F058T8 72/104 DocID023402 Rev 3 28.52.0425.2 41.52.9637.2 55.5 3.96 50 71.5 5.11 NA 239.5 17.1 NA 1. Guaranteed by design, not tested in production. Table 51. RAIN max for fADC = 14 MHz (continued) Ts (cycles) tS (µs) RAIN max (kΩ)(1) Table 52. ADC accuracy(1)(2)(3) Symbol Parameter Test conditions Typ Max(4) Unit ET Total unadjusted error fPCLK = 48 MHz, fADC = 14 MHz, RAIN < 10 kΩ VDDA = 3 V to 3.6 V TA = 25 °C ±1.3 ±2 LSB EO Offset error ±1 ±1.5 EG Gain error ±0.5 ±1.5 ED Differential linearity error ±0.7 ±1 EL Integral linearity error ±0.8 ±1.5 ET Total unadjusted error fPCLK = 48 MHz, fADC = 14 MHz, RAIN < 10 kΩ VDDA = 2.7 V to 3.6 V TA = −40 to 105 °C ±3.3 ±4 LSB EO Offset error ±1.9 ±2.8 EG Gain error ±2.8 ±3 ED Differential linearity error ±0.7 ±1.3 EL Integral linearity error ±1.2 ±1.7 ET Total unadjusted error fPCLK = 48 MHz, fADC = 14 MHz, RAIN < 10 kΩ VDDA = 2.4 V to 3.6 V TA = 25 °C ±3.3 ±4 LSB EO Offset error ±1.9 ±2.8 EG Gain error ±2.8 ±3 ED Differential linearity error ±0.7 ±1.3 EL Integral linearity error ±1.2 ±1.7 1. ADC DC accuracy values are measured after internal calibration. 2. ADC Accuracy vs. Negative Injection Current: Injecting negative current on any of the standard (non-robust) 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 standard analog pins which may potentially inject negative current. Any positive injection current within the limits specified for IINJ(PIN) and ΣIINJ(PIN) in Section 6.3.13 does not affect the ADC accuracy. 3. Better performance may be achieved in restricted VDDA, frequency and temperature ranges. 4. Data based on characterization results, not tested in production. |
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