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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32MP151AAA3T датащи(PDF) 201 Page - STMicroelectronics |
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STM32MP151AAA3T датащи(HTML) 201 Page - STMicroelectronics |
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201 / 245 page  DS12500 Rev 1 201/245 STM32MP151A Electrical characteristics 228 6.3.24 Temperature sensor characteristics tSTART Start-up time CL = 0.5 µF - - 300 - µs CL = 1 µF - - 500 - CL = 1.5 µF - - 650 - IINRUSH Control of maximum DC current drive on VREFBUF_OUT during startup phase(3) -- 8 - mA IDDA(VRE FBUF) VREFBUF consumption from VDDA ILOAD = 0 µA - - 15 - µA ILOAD = 500 µA - - 16 - ILOAD = 4 mA - - 32 - 1. Guaranteed by design. 2. In degraded mode, the voltage reference buffer cannot accurately maintain the output voltage (VDDA-drop voltage). 3. To properly control VREFBUF IINRUSH current during the startup phase and the change of scaling, VDDA voltage should be in the range of 1.8 V-3.6 V, 2.1 V-3.6 V, 2.4 V-3.6 V and 2.8 V-3.6 V for VSCALE = 011, 010, 001 and 000, respectively. Table 77. VREFBUF characteristics(1) (continued) Symbol Parameter Conditions Min Typ Max Unit Table 78. Temperature sensor characteristics Symbol Parameter Min Typ Max Unit TL(1) 1. Guaranteed by design. VSENSE linearity with temperature (from Vsensor voltage) -- 3 °C VSENSE linearity with temperature (from ADC counter) - - 3 Avg_Slope(2) 2. Guaranteed by characterization. Average slope (from Vsensor voltage) - 2 - mV/°C Average slope (from ADC counter) - 2 - V30(3) 3. Measured at VDDA = 3.3 V ± 10 mV. The V30 ADC conversion result is stored in the TS_CAL1 byte. Voltage at 30 °C ± 5 °C - 0.62 - V tstart_run(1) Startup time in Run mode (buffer startup) 5.3 - 40.5 µs tS_temp(1) ADC sampling time when reading the temperature 9.8 - - Isens(1) Sensor consumption 0.11 0.18 0.31 µA Isensbuf(1) Sensor buffer consumption 2.3 3.8 6.1 |
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