Document Number: 74470
S09-2550-Rev. E, 30-Nov-09
www.vishay.com
7
Vishay Siliconix
DG451, DG452, DG453
TYPICAL CHARACTERISTICS 25 °C, V
L
= 5 V, unless otherwise noted
TEST CIRCUITS
Supply Current vs. Input Switching Frequency
Input Switching Frequency (Hz)
Supply Current (A)
10 100 1K 10K 100K 1M 10M
100 m
10 m
1 m
100 µ
10 µ
1 µ
100 n
10 n
1 n
DG45, DG452, DG453
V+ = + 15 V
V- = - 15 V
I
GND
I+
I-
I
L
Insertion Loss, Off-Isolation, Crosstalk
vs. Frequency
- 110
- 100
- 90
- 80
- 70
- 60
- 50
- 40
- 30
- 20
- 10
0
10
Frequency (Hz)
Loss, OIRR, X
Talk
(dB)
OIRR
Loss
X
Talk
100K 1M 10M 100M 1G
V+ = + 15 V
V- = - 15 V
R
L
= 50 Ω
Figure 1. Switching Time
0 V
Logic
Input
Switch
Input*
3 V
50 %
0 V
V
S
t
r
< 5 ns
t
f
< 5 ns
90 %
t
OFF
t
ON
V
O
Note: Logic input waveform is inverted for switches that
have the opposite logic sense control
C
L
(includes fixture and stray capacitance)
V+
IN
R
L
R
L
+ R
DS(on)
V
O
= V
S
SD
- 15 V
V
O
GND
± 10 V
V
L
C
L
35 pF
V-
R
L
300 Ω
+ 15 V+ 5 V
90 %
Figure 2. Break-Before-Make (DG453)
0 V
Logic
Input
Switch
Switch
Output
3 V
50 %
0 V
Output
0 V
90 %
V
O2
V
O1
90 %
V
S1
V
S2
t
D
t
D
V
O2
C
L
(includes fixture and stray capacitance)
V+
S
2
V-
S
1
V
L
V
S2
IN
2
D
2
V
S1
R
L2
300 Ω
D
1
V
O1
C
L2
35 pF
- 15 V
GND
+ 5 V + 15 V
R
L1
300 Ω
C
L1
35 pF
IN
1
