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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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STM32F479AI Scheda tecnica(PDF) 155 Page - STMicroelectronics |
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STM32F479AI Scheda tecnica(HTML) 155 Page - STMicroelectronics |
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155 / 217 page  DocID028010 Rev 3 155/217 STM32F479xx Electrical characteristics 190 CAN (controller area network) interface Refer to Section 5.3.20 for more details on the input/output alternate function characteristics (CANx_TX and CANx_RX). 5.3.24 12-bit ADC characteristics Unless otherwise specified, the parameters given in Table 76 are derived from tests performed under the ambient temperature, fPCLK2 frequency and VDDA supply voltage conditions summarized in Table 17. Table 76. ADC characteristics Symbol Parameter Conditions Min Typ Max Unit VDDA Power supply VDDA −VREF+ < 1.2 V 1.7(1) -3.6 V VREF+ Positive reference voltage 1.7(1) -VDDA VREF- Negative reference voltage - 0 - fADC ADC clock frequency VDDA = 1.7(1) to 2.4 V 0.6 15 18 MHz VDDA = 2.4 to 3.6 V 0.6 30 36 fTRIG(2) External trigger frequency fADC = 30 MHz, 12-bit resolution - - 1764 kHz -- - 17 1/fADC VAIN Conversion voltage range(3) - 0 (VSSA or VREF- tied to ground) -VREF+ V RAIN(2) External input impedance Details in Equation 1 -- 50 k Ω RADC(2)(4) Sampling switch resistance - - - 6 k Ω CADC(2) Internal sample and hold capacitor -- 4 7 pF tlat(2) Injection trigger conversion latency fADC = 30 MHz - - 0.100 µs -- - 3(5) 1/fADC tlatr(2) Regular trigger conversion latency fADC = 30 MHz - - 0.067 µs -- 2(5) 1/fADC tS(2) Sampling time fADC = 30 MHz 0.100 - 16 µs - 3 - 480 1/fADC tSTAB(2) Power-up time - - 2 3 µs |
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