STC3115 Datasheet, PDF (7/31 Pages) STMicroelectronics – Gas gauge IC with alarm output for handheld applications

STC3115
Electrical characteristics
Table 4. Electrical characteristics (2.7 V < V_CC < 4.5 V, -20 °C to 70 °C) (continued)
Symbol
Parameter
Conditions
Min Typ Max Units
Battery voltage and temperature measurement
Vin_adc
LSB
Input voltage range
LSB value
V_CC = 4.5 V
0
Voltage measurement
Temperature measurement
4.5 V
2.20
mV
1
°C
ADC_time
AD conversion time
250
ms
Volt_acc
2.7 V < Vin < 4.5 V,
Battery voltage measurement accuracy ^VCC ^{= Vin 25 °C}
Over temperature range
-0.25
-0.5
+0.25
%
+0.5
Temp_acc
Internal temperature sensor accuracy
-3
3 °C
Digital I/O pins (SCL, SDA, ALM, RSTIO/BATD)
Vih
Input logic high
1.2
Vil
Input logic low
0.35 V
Vol
Output logic low (SDA, ALM, RSTIO) Iol = 4 mA
0.4
BATD/CD pin
Vith
Input threshold voltage
1.46 1.61 1.76
Vihyst
Voh
Input voltage hysteresis
Output logic high
(charge inhibit mode enable)
Ioh = 3 mA
0.1
V
Vbat-
0.4
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