Datasheet

6
Test Circuits and Waveforms
FIGURE 1A. DG408 TEST CIRCUIT FIGURE 1B. DG409 TEST CIRCUIT
FIGURE 1C. MEASUREMENT POINTS
FIGURE 1. TRANSITION TIME
FIGURE 2A. DG408 TEST CIRCUIT FIGURE 2B. DG409 TEST CIRCUIT
FIGURE 2C. MEASUREMENT POINTS
FIGURE 2. ENABLE SWITCHING TIMES
EN
A
0
DG408
GND
A
1
A
2
S
1
S
2
- S
7
S
8
D
V-
V+
10V
±10V
SWITCH
OUTPUT
V
O
35pF300Ω50Ω
+15V
+2.4V
-15V
LOGIC
INPUT
±
EN
DG409
GND
A
0
A
1
S
1B
S
1A
- S
4A,
D
A
S
4B
D
B
V-
V+
10V
±10V
SWITCH
OUTPUT
V
O
35pF300Ω50Ω
+15V
+2.4V
-15V
LOGIC
INPUT
±
LOGIC
INPUT
SWITCH
OUTPUT
V
O
3V
V
S1
S
1
ON
50%
t
r
< 20ns
t
f
< 20ns
t
TRANS
50%
0V
0V
V
S8
t
TRANS
S
8
ON
0.8 V
S8
0.8 V
S1
EN
A
0
DG408
GND
A
1
A
2
S
1
S
2
- S
8
D
V-
V+
-5V
SWITCH
OUTPUT
V
O
35pF300Ω50Ω
+15V
-15V
LOGIC
INPUT
V
IN
EN
A
0
DG409
GND
A
1
S
1B
S
1A
- S
4A
D
B
V-
V+
-5V
SWITCH
OUTPUT
V
o
35pF300Ω50Ω
+15V
-15V
LOGIC
INPUT
S
2B -
S
4B,
D
A
V
IN
LOGIC
INPUT
SWITCH
OUTPUT
V
O
3V
V
O
50%
t
r
< 20ns
t
f
< 20ns
t
ON(EN)
0V
50%
t
OFF(EN)
0.9 V
O
0V
V
IN
DG408, DG409