QST108 datasheet(32/38 Pages) STMICROELECTRONICS

Part #	QST108

Description	Capacitive touch sensor device 8 keys with individual key state outputs or I2C interface

PDF	38 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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32 / 38 page

Electrical characteristics

QST108

32/38

Figure 8.

Typical VOL at VDD = 2.4 V

Figure 9.

Typical VOL vs VDD at Iload = 2 mA

Figure 10.

Typical VOL at VDD = 3 V

Figure 11.

Typical VOL vs VDD at Iload = 8 mA

Figure 12.

Typical VOL at VDD = 5 V

Figure 13.

Typical VOL vs VDD at Iload = 12 mA

VOL vs Iload @ VDD = 2.4 V HS pins

200

400

600

800

1000

1200

Iload [mA]

-40°C

25°C

85°C

125°C

VOLvs VDD @Iload=2 mA HS Pins

100

110

120

2.4 2.6 2.8

3.2 3.4 3.6 3.8

4.2 4.4 4.6 4.8

5.2 5.4 5.6

VDD [V]

-40°C

25°C

85°C

125°C

VOLvs Iload @ VDD = 3 V HS pins

200

400

600

800

1000

1200

1400

1600

1214161820

Iload [mA]

-40°C

25°C

85°C

125°C

VOL vs VDD@Iload = 8 mA HS Pins

140

190

240

290

340

390

440

490

540

2.4 2.6 2.8

3.2 3.4 3.6 3.8

4.2 4.4 4.6 4.8

5.2 5.4 5.6

VDD [V]

-40°C

25°C

85°C

125°C

VOL vs Iload @ VDD = 5 V HS pins

100

200

300

400

500

600

700

800

900

Iload [mA]

-40°C

25°C

85°C

125°C

VOL vs VDD @Iload = 12 mA HS Pins

140

240

340

440

540

640

740

840

940

1040

2.4 2.6 2.8

3 3.2 3.4 3.6 3.8

4 4.2 4.4 4.6 4.8 5

5.2 5.4 5.6

VDD [V]

-40°C

25°C

85°C

125°C

QST108 Datasheet(PDF) 32 Page - STMicroelectronics

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