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STM32H7 Datasheet(PDF) 277 Page - STMicroelectronics |
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STM32H7 Datasheet(HTML) 277 Page - STMicroelectronics |
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277 / 357 page  DS12110 Rev 10 277/357 STM32H742xI/G STM32H743xI/G Electrical characteristics (rev V) 320 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 RAIN(6) External input impedance Resolution = 16 bits, TJ = 125 °C - - - - 170 Ω Resolution = 14 bits, TJ = 125 °C - - - - 435 Resolution = 12 bits, TJ =125 °C - - - - 1150 Resolution = 10 bits, TJ = 125 °C - - - - 5650 Resolution = 8 bits, TJ = 125 °C - - - - 26500 CADC Internal sample and hold capacitor -- - - 4 - pF tADCVREG _STUP ADC LDO startup time -- - - 5 10 us tSTAB ADC Power-up time LDO already started - - 1 - - conver sion cycle tCAL Offset and linearity calibration time - - - 165010 - - 1/fADC tOFF_ CAL Offset calibration time -- - 1280 - - 1/fADC Table 184. ADC characteristics(1)(2) (continued) Symbol Parameter Conditions Min Typ Max Unit |
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