Document Number: 66586

S11-1474-Rev. E, 01-Aug-11

www.vishay.com

7

Vishay Siliconix

DG721, DG722, DG723

This document is subject to change without notice.

TEST CIRCUITS

Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon

Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and

reliability data, see

Figure 2. Charge Injection

Off

On

On

IN

Q =

COM

NC or NO

IN

GND

V+

V+

IN depends on switch configuration: input polarity

determined by sense of switch.

+

Figure 3. Off-Isolation

IN

GND

NC or NO

0 V, 2.4 V

10 nF

COM

Off Isolation = 20 log

V

COM

V

NO/ NC

Analyzer

V+

V+

Figure 4. Channel Off/On Capacitance

NC or NO

f = 1 MHz

IN

COM

GND

0 V, 2.4 V

Meter

HP4192A

Impedance

Analyzer

or Equivalent

10 nF

V+

V+

Figure 5. Channel to Channel Crosstalk

10 nF

COM 2

NO 2

COM 1

NC 1

Analyzer

GND

V+

V+