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| DG535_08 Datasheet, PDF (8/12 Pages) Vishay Siliconix – 16-Channel Wideband Video Multiplexers | |||
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DG535/536
Vishay Siliconix
TEST CIRCUITS
+ 15 V
+3V
Logic
Input
+ 15 V
V+
A0, A1, A2, A3
ST
EN
S16
D
CS
GND CS
+ 15 V
VO
CL
1000 pF
CS
VOUT
ÎVOUT
ÎVOUT is the measured voltage error due to charge injection.
The charge injection in Coulombs is Q = CL x ÎVOUT
Figure 5. Charge Injection
+ 15 V
+ 15 V
Signal
Generator
(75 Ω)
V+
EN
S2 thru S15
CS
ST
S1
GND CS
D
A0
to
A3
VO
RL
50 W
Figure 6. Bandwidth
S1
S2
RIN
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
V
Channel 1 On
VO
RL
XTALK(AH)
= 20
log10
VO
V
Figure 7. All Hostile Crosstalk
www.vishay.com
8
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
V
All Channels Off
VO
RL
XTALK(CD)
= 20
log10
VO
V
Figure 8. Chip Disabled Crosstalk
Document Number: 70070
S-71241âRev. E, 25-Jun-07
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