Datasheet

HEF4066B_6 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 06 — 25 March 2010 10 of 16
NXP Semiconductors
HEF4066B
Quad single-pole single-throw analog switch
20 log
10
(V
O2
/ V
O1
) or 20 log
10
(V
O1
/ V
O2
).
Fig 12. Test circuit for measuring crosstalk between switches
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CHANNEL
OFF
CHANNEL
ON
V
nZ or nYnY or nZ
nE
V
O2
R
L
R
L
V
IL
V
1Z or 1Y1Y or 1Z
1E
V
O1
R
L
V
IH
V
DD
V
SS
V
I
Adjust f
i
voltage to obtain 0 dBm level at input. Adjust f
i
voltage to obtain 0 dBm level at output. Increase
f
i
frequency until dB meter reads −3dB.
Fig 13. Test circuit for measuring isolation (OFF-state) Fig 14. Test circuit for measuring frequency response
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9
f
i
R
L
C
L
V
SS
nE
nY nZ
V
IL
V
DD
dB
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0
f
i
R
L
C
L
V
SS
nE
nY
nZ
V
IH
V
DD
dB