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STM32F413MH 数据表(PDF) 146 Page - STMicroelectronics |
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STM32F413MH 数据表(HTML) 146 Page - STMicroelectronics |
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146 / 207 page  Electrical characteristics STM32F413xG/H 146/207 DocID029162 Rev 2 Table 76. ADC accuracy at fADC = 30 MHz(1) 1. Better performance could be achieved in restricted VDD, frequency and temperature ranges. Symbol Parameter Test conditions Typ Max(2) 2. Guaranteed by characterization. Unit ET Total unadjusted error fADC = 30 MHz, RAIN < 10 kΩ, VDDA = 2.4 to 3.6 V, VREF = 1.7 to 3.6 V, VDDA −VREF < 1.2 V ±2 ±5 LSB EO Offset error ±1.5 ±2.5 EG Gain error ±1.5 ±4 ED Differential linearity error ±1 ±2 EL Integral linearity error ±1.5 ±3 Table 77. ADC accuracy at fADC = 36 MHz(1) 1. Better performance could be achieved in restricted VDD, frequency and temperature ranges. Symbol Parameter Test conditions Typ Max(2) 2. Guaranteed by characterization. Unit ET Total unadjusted error fADC =36 MHz, VDDA = 2.4 to 3.6 V, VREF = 1.7 to 3.6 V VDDA −VREF < 1.2 V ±4 ±7 LSB EO Offset error ±2 ±3 EG Gain error ±3 ±6 ED Differential linearity error ±2 ±3 EL Integral linearity error ±3 ±6 Table 78. ADC dynamic accuracy at fADC = 18 MHz - limited test conditions(1) Symbol Parameter Test conditions Min Typ Max Unit ENOB Effective number of bits fADC =18 MHz VDDA = VREF+= 1.7 V Input Frequency = 20 kHz Temperature = 25 °C 10.3 10.4 - bits SINAD Signal-to-noise and distortion ratio 64 64.2 - dB SNR Signal-to-noise ratio 64 65 - THD Total harmonic distortion - -72 -67 1. Guaranteed by characterization. Table 79. ADC dynamic accuracy at fADC = 36 MHz - limited test conditions(1) Symbol Parameter Test conditions Min Typ Max Unit ENOB Effective number of bits fADC = 36 MHz VDDA = VREF+ = 3.3 V Input Frequency = 20 kHz Temperature = 25 °C 10.6 10.8 - bits SINAD Signal-to noise and distortion ratio 66 67 - dB SNR Signal-to noise ratio 64 68 - THD Total harmonic distortion - -72 -70 1. Guaranteed by characterization. |
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