STM8T141 datasheet(32/50 Pages) STMICROELECTRONICS

部件名	STM8T141

功能描述	Single-channel capacitive sensor for touch or proximity detection with shielded sensing electrode

PDF	50 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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32 / 50 page

Electrical characteristics

STM8T141

32/50

Doc ID 15699 Rev 7

9.3.3

Output characteristics

9.4

Regulator and reference voltage

Table 14.

Output pin characteristics

Symbol

Parameter

Conditions

Typ.

Max.

Unit

VOL

VDD = 5 V

ILOAD = 8 mA

1200

1600

ILOAD = 4 mA

540

750

ILOAD = 2 mA

250

450

VDD = 3.3 V

ILOAD = 4 mA

650

1000

ILOAD = 2 mA

320

500

VDD = 2.9 V

ILOAD = 2 mA

400

500

VDD = 2.0 V

ILOAD = 1 mA

300

500

VOH

VDD = 5 V

ILOAD = –2 mA

4.7

ILOAD = –4 mA

4.4

ILOAD = –8 mA

3.9

VDD = 3.3 V

ILOAD = –2 mA

3.0

ILOAD = –4 mA

2.7

VDD = 2.9 V

ILOAD = –2 mA

2.5

VDD = 2.0 V

ILOAD = -100 µA

1.8

tHIGH

Output minimum high time

tLOW

Output minimum low time

Table 15.

Regulator and reference voltage

Symbol

Parameter

Min.

Typ.

Max.

Unit

Cref

Voltage regulator decoupling

capacitance(1)

Equivalent serial Rresistor  0.2  at 1 MHz.

110

µF

Vreg

Regulated voltage during acquisition

2.1

Vtrip

End of acquisition reference voltage

0.68

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