DG2748 datasheet(4/9 Pages) VISHAY

Part #	DG2748

Description	0.4-ohm, Low Voltage, Dual SPST Analog Switch

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Manufacturer	VISHAY [Vishay Siliconix]

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Document Number: 69977

S09-0396-Rev. B, 09-Mar-09

Vishay Siliconix

DG2747, DG2748, DG2749

TYPICAL CHARACTERISTICS TA = 25 °C, unless otherwise noted

RDS(ON) vs. VD and Supply Voltage

Supply Current vs. Temperature

Leakage vs. Analog Voltage

VCOM (VD) - Analog Voltage (V)

0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

012

3

45

V+ = 2.7 V

V+ = 3 V

V+ = 3.6 V

V+ = 4.3 V

V+ = 1.6 V

TA = 25 °C

Temperature (°C)

0

0.1

1.0

10

100

- 40

- 20

0

20

40

60

80100

V+ = 4.3 V

VCOM - Analog Voltage (V)

- 2500

- 2000

- 1500

- 1000

- 500

0

500

1000

1500

01

23

4

V+ = 4.3 V

INO(off)

ICOM(off)

ICOM(on)

0.5

1.5

2.5

3.5

4.5

RDS(ON) vs. VD and Temperature

Leakage Current vs. Temperature

Charge Injection vs. Analog Voltage

VCOM (VD) - Analog Voltage (V)

0

0.1

0.2

0.3

0.4

0.5

0.6

0

0.5

1

1.5

2

2.5

3

+ 85 °C

+ 25 °C

- 40 °C

V+ = 2.7 V

Temperature (°C)

1

10

100

1000

10000

- 40

- 20

0

20

40

60

80

100

ICOM(off)

INO(off)

ICOM(on)

V+ = 4.3 V

0

2

4

6

8

10

12

14

16

18

0

0.5

1

1.5

2

2.5

3

3.5

4

Analog Voltage (V)

C L = 1 nF

Drain

V+ = 3.6 V

V+ = 3 V

V+ = 2.7 V

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