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STC3100 数据表(PDF) 6 Page - STMicroelectronics |
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STC3100 数据表(HTML) 6 Page - STMicroelectronics |
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6 / 21 page ![]() Electrical characteristics STC3100 6/21 Battery voltage and temperature a/d converter Vin_adc Input voltage range Vcc = 5 V 0 5 V LSB LSB value Voltage measurement Temperature measurement 2.44 0.125 mV °C ADC_time AD conversion time (32,768 Hz clock) 250 ms Volt_acc Battery voltage measurement accuracy 2.7 V<Vin<4.5 V, VCC=Vin -0.5 +0.5 % Temp_acc Internal temperature sensor accuracy -3 +3 °C Digital I/O pins (SCL, SDA, IO0) Vih Input logic high 1.2 V Vil Input logic low 0.35 V Vol Output logic low (SDA, IO0) Iol = 4 mA 0.4 V Table 4. Electrical characteristics (2.7 V < VCC < 4.5 V, -20° C to 70° C) (continued) Symbol Parameter Conditions Min Typ Max Units |
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