STMPE812ABJR datasheet(44/53 Pages) STMICROELECTRONICS

44 / 53 page

Electrical specification

STMPE812A

44/53

Doc ID 18225 Rev 4

13.2

AC electrical characteristics

Table 20.

AC electrical characteristics (-40 °C to 85 °C)

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

Max

ClkI2C

I2C maximum SCLK

VCC =1.65-3.6V

–

400

KHz

TRESET

Minimum RESET pulse

width

4–

–

µS

TIN

Minimum INPUT width

required for GPIO state

transition

4–

–

µS

Fosc

Internal RC OSC

frequency

VCC = 1.65 - 3.6 V

900

1200

1500

KHz

Table 21.

ADC specification

Parameter

Test conditions

Min

Typ

Max

Unit

Full-scale input span

–

VCC

Absolute input range

-0.2

–

VCC+0.

Input capacitance

–

Leakage current

–

0.1

–

µA

Resolution

–

Bits

No missing codes

–

Bits

Integral linearity error

–

±4

–

LSB

Offset error

–

±5

LSB

Gain error

–

±14

±18

LSB

Throughput rate

–

180

–

Ksamples/s

Table 22.

Switch drivers specification

Parameter

Test conditions

Min

Typ

Max

Unit

ON resistance X+, Y+

ON resistance X-, Y-

VDD = 1.65 V,

5 mA setting

–34

–

ON resistance X+, Y+

ON resistance X-, Y-

VDD = 1.65 V,

10 mA setting

–24

–

ON resistance X+, Y+

ON resistance X-, Y-

VDD = 1.65 V,

20 mA setting

–17

–

ON resistance X+, Y+

ON resistance X-, Y-

VDD = 1.65 V,

30 mA setting

–15

–

ON resistance X+, Y+

ON resistance X-, Y-

VDD =3.6 V,

5 mA setting

–31

–

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