전자부품 데이터시트 검색엔진 |
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STC3117 데이터시트(PDF) 7 Page - STMicroelectronics |
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STC3117 데이터시트(HTML) 7 Page - STMicroelectronics |
7 / 34 page DocID025792 Rev 2 7/34 STC3117 Electrical characteristics 34 4 Electrical characteristics Table 4. Electrical characteristics (2.7 V < VCC < 4.5 V, -20 ° C to 70 ° C) Symbol Parameter Conditions Min Typ Max Units Supply ICC Operating current consumption Average value over 4 s in voltage mode 40 µA Average value over 4 s in mixed mode 80 ISTBY Current consumption in standby Standby mode, inputs = 0 V BATD_PU bit = 0 2 IPDN Current consumption in power-down VCC < UVLOTH, inputs = 0 V 1 UVLOTH Undervoltage threshold (VCC decreasing) 2.5 2.6 2.7 V UVLOHYST Undervoltage threshold hysteresis 100 mV POR Power-on reset threshold (VCC decreasing) 2.0 V Current sensing Vin_gg Input voltage range -40 +40 mV IIN Input current 500 nA ADC_res AD converter granularity 5.88 µV ADC_offset AD converter offset CS = 0 V -3 3 LSB ADC_time AD conversion time 500 ms ADC_acc AD converter gain accuracy at full scale (using external sense resistor) 25 ° C0.5 % Over temperature range 1 FOSC Internal time base frequency 32768 Hz Osc_acc Internal time base accuracy 25 ° C, VCC = 3.6 V 2 % Over temperature and voltage ranges 2.5 Cur_res Current register LSB value 5.88 µV Battery voltage and temperature measurement Vin_adc Input voltage range VCC = 4.5 V 0 4.5 V LSB LSB value Voltage measurement 2.20 mV Temperature measurement 1 °C ADC_time AD conversion time 250 ms Volt_acc Battery voltage measurement accuracy 2.7 V < Vin < 4.5 V, VCC = Vin, 25 ° C -0.25 +0.25 % Over temperature range -0.5 +0.5 Temp_acc Internal temperature sensor accuracy -3 3 °C |
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