ADG2108

Rev. 0 | Page 15 of 28

TEST CIRCUITS

The test circuits show measurements on one channel for clarity, but the circuit applies to any of the switches in the matrix.

XY

V1

Figure 25. On Resistance

XY

A

A

Figure 26. Off Leakage

XY

NC

A

Figure 27. On Leakage

XY

50%

90%

9TH DATA BIT

GND

0.1µF

0.1µF

35pF

300Ω

XY

1nF

GND

0.1

SW ON

DATA BIT

SW OFF

Figure 29. Charge Injection

50Ω

50Ω

V

X

Y

0.1µF

OFF ISOLATION = 20 log

NETWORK

ANALYZER

0.1µF

50Ω

GND

Figure 30. Off Isolation

50Ω

50Ω

V

X

Y

0.1µF

INSERTION LOSS = 20 log

NETWORK

ANALYZER

0.1µF

GND

Figure 31. Bandwidth