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STM32U545NET6QTR Datasheet(PDF) 236 Page - STMicroelectronics |
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STM32U545NET6QTR Datasheet(HTML) 236 Page - STMicroelectronics |
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236 / 283 page  Electrical characteristics STM32U545xx 236/283 DS14216 Rev 1 5.3.25 Comparator characteristics Table 116. COMP characteristics(1)(2) Symbol Parameter Conditions Min Typ Max Unit VDDA Analog supply voltage for COMP ON -1.58 - 3.6 V VIN Comparator input voltage range -0 - VDDA VREFINT(3) Scaler input voltage - (3) VSC Scaler offset voltage - - ±5 ±10 mV IDDA(SCALER) Scaler static consumption from VDDA Scaler bridge disabled(4) -0.20 0.25 µA Scaler bridge enabled(5) -0.7 1 tSTART_SCALER Scaler startup time - - 130 220 µs tSTART Comparator startup time to reach propagation delay specification High-speed mode - - 5 Medium mode - - 25 Ultra-low-power mode - - 80 tD(6) Propagation delay for 200 mV step with 100 mV overdrive High-speed mode - 40 100 ns Medium mode - 0.5 1 µs Ultra-low-power mode - 2 7 Voffset Comparator offset error Full common mode range - ±5 ±20 mV Vhys Comparator hysteresis No hysteresis - 0 - Low hysteresis - 15 - Medium hysteresis - 30 - High hysteresis - 45 - Ibias Comparator input bias current - (7) nA IDDA(COMP) Comparator consumption from VDDA High-speed mode, static - 48 90 µA High-speed mode, with 50 kHz, ±100 mV overdrive square signal -50- Medium mode, static - 3 6 Medium mode, with 50 kHz, ±100 mV overdrive square signal -3.75 - Ultra-low-power mode, static - 0.3 1 Ultra-low-power mode, with 50 kHz, ±100 mV overdrive square signal -0.65 1. Specified by design and not tested in production, unless otherwise specified. 2. The input capacitance is negligible compared to the I/O capacitance. 3. Refer to Table 36: Embedded internal voltage reference. 4. No VREFINT division, includes only buffer consumption. 5. VREFINT division, includes resistor bridge and buffer consumption. |
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