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STM32U073RCT6 Datasheet(PDF) 94 Page - STMicroelectronics |
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STM32U073RCT6 Datasheet(HTML) 94 Page - STMicroelectronics |
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94 / 146 page  6.3.19 Temperature sensor characteristics Table 73. TS characteristics Symbol Parameter Min Typ Max Unit TL(1) VTS linearity with temperature - ±1 ±2 °C Avg_Slope(2) Average slope 2.3 2.5 2.7 mV/°C V30 Voltage at 30°C (±5 °C)(3) 0.742 0.76 0.785 V tSTART(TS_BUF)(1) Sensor Buffer Start-up time in continuous mode(4) - 8 15 µs tSTART(1) Start-up time when entering in continuous mode(4) - 70 120 µs tS_temp(1) ADC sampling time when reading the temperature 5 - - µs IDD(TS)(1) Temperature sensor consumption from VDD, when selected by ADC - 4.7 7 µA 1. Specified by design, not tested in production. 2. Evaluated by characterization, not tested in production. 3. Measured at VDDA = 3.0 V ±10 mV. The V30 ADC conversion result is stored in the TS_CAL1 byte. 4. Continuous mode means Run/Sleep modes, or temperature sensor enable in Low-power run/Low-power sleep modes. 6.3.20 VBAT monitoring characteristics Table 74. VBAT monitoring characteristics Symbol Parameter Min Typ Max Unit R Resistor bridge for VBAT - 3×39 - kΩ Q Ratio on VBAT measurement - 3 - - Er(1) Error on Q -10 - 10 % tS_vbat(1) ADC sampling time when reading the VBAT 12 - - µs 1. Specified by design, not tested in production. Table 75. VBAT charging characteristics Symbol Parameter Conditions Min Typ Max Unit RBC Battery charging resistor VBRS = 0 - 5 - kΩ VBRS = 1 - 1.5 - 6.3.21 Digital-to-analog converter characteristics Table 76. DAC characteristics Specified by design, not tested in production. Symbol Parameter Conditions Min Typ Max Unit VDDA Analog supply voltage for DAC ON DAC output buffer OFF, DAC_OUT pin not connected (internal connection only) 1.71 - 3.6 V Other modes 1.80 - VREF+ Positive reference voltage DAC output buffer OFF, DAC_OUT pin not connected (internal connection only) 1.71 - VDDA Other modes 1.80 - RL Resistive load DAC output buffer ON connected to VSSA 5 - - kΩ STM32U073x8/B/C Electrical characteristics DS14548 - Rev 2 page 94/146 |
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