TSC1214 datasheet(4/18 Pages) STMICROELECTRONICS

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Electrical characteristics

2.7 V < VS < 4.5 V, -20 °C < Ta < 70 °C.

Table 4. Electrical characteristics

Symbol

Parameters

Test conditions

Min.

Typ.

Max

Unit

SUPPLY

ICC

Operating current consumption

Average value over 4 s

100

µA

Isdty

Standby current consumption

Standby mode, input = 0 V

µA

Ipdn

Power down current consumption

VS < UVLOth, input = 0 V

µA

UVLOth

Undervoltage threshold

VS decreasing

2.5

2.6

2.7

UVLOhyst

Undervoltage threshold hysteresis

100

POR

Power On Reset threshold

VS decreasing

Current sense ADC

VIN

Input voltage range

-80

+80

IIN

Input current for IN pin

500

LSBI

1 LSB step size for current sense

ADC

14 bits

11.77

µV

ADCI_offset Current sense ADC offset

IN = 0 V

-3

LSB

ADCI_time

Current sense ADC conversion

time

32768 Hz clock

500

ADCI_acc

Current sense ADC gain error

@ 25 °C

0.5

-20 °C < Ta < 70 °C

FOSC

Internal time base frequency

ROSC = 200 kΩ, 0.1%

32768

Osc_acc

Internal time base accuracy

Vs = 3.6 V, 25 °C

2.7 V < VS < 4.5 V and -20 °C < Ta < 70 °C

2.5

Supply voltage and temperature sensor characteristics

Supply voltage input range

2.7

4.5

LSBV

LSB step size for supply voltage

ADC

2.44

LSBT

LSB step size for temperature

sensor

0.125

°C

ADCV_time

Supply voltage ADC conversion

time

32768 Hz clock

250

ADCV_acc

Supply voltage ADC gain error

2.7 V < VS < 4.5 V

-0.5

+0.5

Temp_acc

Temperature sensor accuracy

-3

°C

Digital characteristics (SCL, SDA)

VIH

Input high voltage

1.2

VIL

Input low voltage

0.35

VOL

Low-level output voltage

SDA ; IOL = 4 mA

0.4

TSC1214

Electrical characteristics

DS14731 - Rev 1

page 4/18

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