STC3105 datasheet(6/23 Pages) STMICROELECTRONICS

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Electrical characteristics

STC3105

6/23

Doc ID 022198 Rev 1

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:

– power-saving mode

– Active mode

100

µA

ISTBY

Current consumption in standby

Standby mode, inputs=0V

µA

IPDN

Current consumption in power-down

VCC < UVLOTH, inputs=0V

µA

UVLOTH

Undervoltage threshold

(VCC decreasing)

2.5

2.6

2.7

UVLOHYST

Undervoltage threshold hysteresis

100

POR

Power-on reset threshold

(VCC decreasing)

2.0

Current sensing

Vin_gg

Input voltage range

-80

+80

IIN

Input current for CG pin

500

ADC_res

AD converter granularity

11.77

µV

ADC_offset

AD converter offset

CG = 0 V

-3

LSB

ADC_time

AD conversion time

500

ADC_acc

AD converter gain accuracy at full scale

(using external sense resistor)

° C

Over temperature range

0.5

FOSC

Internal time base frequency

32768

Osc_acc

Internal time base accuracy

° C, VCC =3.6 V

over temperature and

voltage ranges

2.5

Cur_res

Current register LSB value

11.77

µV

Chg_res

Charge register LSB value

=Cur_res*2^12*0.5/3600

6.70

µVh

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