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STM32F446RC 数据表(PDF) 147 Page - STMicroelectronics |
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STM32F446RC 数据表(HTML) 147 Page - STMicroelectronics |
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147 / 202 page  DocID027107 Rev 6 147/202 STM32F446xC/E Electrical characteristics 175 Figure 48. Power supply and reference decoupling (VREF+ connected to VDDA) 1. VREF+ and VREF– inputs are both available on UFBGA144. VREF+ is also available on LQFP100, LQFP144, and WLCSP81. When VREF+ and VREF– are not available, they are internally connected to VDDA and VSSA. 6.3.22 Temperature sensor characteristics Table 80. Temperature sensor characteristics Symbol Parameter Min Typ Max Unit TL(1) VSENSE linearity with temperature - ±1 ±2°C Avg_Slope(1) Average slope - 2.5 - mV/°C V25(1) Voltage at 25 °C - 0.76 - V tSTART(2) Startup time - 6 10 µs TS_temp(2) ADC sampling time when reading the temperature (1 °C accuracy) 10 - - µs 1. Guaranteed based on test during characterization. 2. Guaranteed by design. Table 81. Temperature sensor calibration values Symbol Parameter Memory address TS_CAL1 TS ADC raw data acquired at temperature of 30 °C, VDDA= 3.3 V 0x1FFF 7A2C - 0x1FFF 7A2D TS_CAL2 TS ADC raw data acquired at temperature of 110 °C, VDDA= 3.3 V 0x1FFF 7A2E - 0x1FFF 7A2F |
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