DG441L(2003) Ver la hoja de datos (PDF) - Vishay Semiconductors

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componentes Descripción

Fabricante

DG441L
(Rev.:2003)

Precision Monolithic Quad SPST Low-Voltage CMOS Analog Switches

Vishay Semiconductors 

SCHEMATIC DIAGRAM (TYPICAL CHANNEL)

DG441L/442L

Vishay Siliconix

V+

INX

GND

V-

5-V Reg

TEST CIRCUITS

Level

Shift/

Drive

FIGURE 1.

S

V-

V+

D

V+

V+

VS

S

D

IN

RL

3V

1 kW

GND

V-

V-

VO

CL

35 pF

Logic

3V

Input

0V

50% 50%

tr <20 ns

tf <20 ns

Switch VS

Input

VO

80%

tOFF

80%

Switch 0 V

Output

tON

CL (includes fixture and stray capacitance)

Note:

Logic input waveform is inverted for DG442.

FIGURE 2. Switching Time

V+

DV

V+

Rg

S

D

VO

VO

INX OFF

O

ON

OFF

IN

3V

GND

V-

CL

1 nF

(DG441)

OFF

INX

(DG442)

ON

Q = DVO x CL

OFF

V-

FIGURE 3. Charge Injection

Document Number: 71399

S-03294—Rev. D, 17-Mar-03

www.vishay.com

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