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STM32H742AI Datasheet(PDF) 279 Page - STMicroelectronics |
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STM32H742AI Datasheet(HTML) 279 Page - STMicroelectronics |
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279 / 357 page  DS12110 Rev 7 279/357 STM32H742xI/G STM32H743xI/G Electrical characteristics (rev V) 322 7.3.20 16-bit ADC characteristics Unless otherwise specified, the parameters given in Table 184 are derived from tests performed under the ambient temperature, fPCLK2 frequency and VDDA supply voltage conditions summarized in Table 122: General operating conditions. Table 184. ADC characteristics(1)(2) Symbol Parameter Conditions Min Typ Max Unit VDDA Analog supply voltage for ADC ON -1.62 - 3.6 V VREF+ Positive reference voltage -1.62 - VDDA V VREF- Negative reference voltage -VSSA V fADC ADC clock frequency 1.62 V ≤ VDDA ≤ 3.6 V BOOST = 11 0.12 - 50 MHz BOOST = 10 0.12 - 25 BOOST = 01 0.12 - 12.5 BOOST = 00 - - 6.25 fs(3) Sampling rate for Direct channels(4) Resolution = 16 bits, VDDA >2.5 V TJ = 90 °C fADC=36 MHz SMP = 1.5 - - 3.60 MSps Resolution = 16 bits fADC=37 MHz SMP = 2.5 - - 3.35 Resolution = 14 bits TJ = 125 °C fADC = 50 MHz SMP = 2.5 - - 5.00 Resolution = 12 bits fADC = 50 MHz SMP = 2.5 - - 5.50 Resolution = 10 bits fADC = 50 MHz SMP = 1.5 - - 7.10 Resolution = 8 bits fADC = 50 MHz SMP = 1.5 - - 8.30 Sampling rate for Fast channels Resolution = 16 bits, VDDA >2.5 V TJ = 90 °C fADC=32 MHz SMP = 2.5 - - 2.90 Resolution = 16 bits fADC=31 MHz SMP = 2.5 - - 2.80 Resolution = 14 bits TJ = 125 °C fADC = 33 MHz SMP = 2.5 - - 3.30 Resolution = 12 bits fADC = 39 MHz SMP = 2.5 - - 4.30 Resolution = 10 bits fADC = 48 MHz SMP = 2.5 - - 6.00 Resolution = 8 bits fADC = 50 MHz SMP = 2.5 - - 7.10 Sampling rate for Slow channels Resolution = 16 bits TJ = 90 °C fADC = 10 MHz SMP = 1.5 -- 1.00 resolution = 14 bits TJ = 125 °C -- resolution = 12 bits - - resolution = 10 bits - - resolution = 8 bits - - tTRIG External trigger period Resolution = 16 bits - - 10 1/ fADC VAIN(5) Conversion voltage range -0 - VREF+ V VCMIV Common mode input voltage - VREF/2 − 10% VREF/ 2 VREF/2 + 10% V |
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