DG535/536
Vishay Siliconix
TEST CIRCUITS
+ 15 V
+ 15 V
V+
A
0
, A
1
, A
2
, A
3
S
16
CS
GND
CS
V+
S
2
thru S
15
ST
EN
+3V
Logic
Input
D
V
O
C
L
1000 pF
+ 15 V
+ 15 V
+ 15 V
EN
CS
ST
CS
S
1
Signal
Generator
(75
Ω)
D
A
0
to
A
3
R
L
50 W
V
O
V
OUT
ΔV
OUT
GND
CS
ΔV
OUT
is the measured voltage error due to charge injection.
The charge injection in Coulombs is Q = C
L
x
ΔV
OUT
Figure 5. Charge Injection
Figure 6. Bandwidth
Channel 1 On
S
1
S
2
R
IN
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
10
S
11
S
12
S
13
S
14
S
15
S
16
V
V
O
R
L
V
O
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
10
S
11
S
12
S
13
S
14
S
15
S
16
V
All Channels Off
V
O
R
L
X
TALK(AH)
= 20 log
10
V
V
O
X
TALK(CD)
= 20 log
10
V
Figure 7. All Hostile Crosstalk
Figure 8. Chip Disabled Crosstalk
www.vishay.com
8
Document Number: 70070
S-71241–Rev. E, 25-Jun-07
VISHAY [ VISHAY TELEFUNKEN ]
