DG419 datasheet(7/16 Pages) VISHAY

Part #	DG419

Description	Precision CMOS Analog Switches

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Manufacturer	VISHAY [Vishay Siliconix]

Direct Link	http://www.vishay.com

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7 / 16 page

Document Number: 70051

S10-1528-Rev. G, 19-Jul-10

www.vishay.com

7

Vishay Siliconix

DG417, DG418, DG419

TEST CIRCUITS

VO is the steady state output with the switch on.

Figure 2. Switching Time (DG417, DG418)

CL (includes fixture and stray capacitance)

RL

RL + rDS(on)

VO = VS

V-

IN

S

D

CL

35 pF

- 15 V

VL

GND

VO

± 10 V

V+

RL

300



+ 15 V

+ 5 V

0 V

Logic

Input

Switch

Input

Switch

Output

3 V

50 %

0 V

VO

VS

tr < 20 ns

tf < 20 ns

tOFF

tON

90 %

Note:

Logic input waveform is inverted for switches that have the

opposite logic sense.

Figure 3. Break-Before-Make (DG419)

IN

VL

VS1

D

V-

VS2

S2

V+

S1

- 15 V

GND

+ 15 V

+ 5 V

CL

35 pF

VO

RL

300



CL (includes fixture and stray capacitance)

0 V

3 V

0 V

Logic

Input

Switch

Output

VO

VS1 = VS2

tr < 20 ns

tf < 20 ns

90 %

tD

Figure 4. Transition Time (DG419)

CL (includes fixture and stray capacitance)

VL

RL

RL + rDS(on)

VO = VS

V-

V+

IN

CL

35 pF

RL

300



D

VO

S2

S1

VS2

VS1

- 15 V

GND

+ 15 V

+ 5 V

0 V

3 V

50 %

Logic

Input

Switch

Output

VS1

tr < 20 ns

tf < 20 ns

10 %

tTRANS

90 %

V01

VS2

V02

tTRANS

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