adg1222 Analog Devices, Inc., adg1222 Datasheet - Page 13

• Manufacturer Part Number: adg1222
• Description: Low Capacitance, Low Charge Injection, ?15 V/+12 V Icmos Dual Spst Switches
• Manufacturer: Analog Devices, Inc.

TEST CIRCUITS
V
V
S1
S2
Figure 23. Test Circuit 1—On Resistance
V
S
IN1,
IN2
V
0.1µF
V
S
S
S1
S2
V
V
ADG1223
Sx
DD
DD
R
R
S
ON
GND
I
= V1/I
INx
DS
V1
0.1µF
INx
V
V
SS
SS
D1
D2
Sx
DS
V
V
Sx
DD
DD
Dx
V
V
0.1µF
DD
DD
GND
GND
R
300Ω
ADG1221/
ADG1222
L
V
V
ADG1221/
ADG1222
SS
SS
V
V
Figure 27. Test Circuit 5—Break-Before-Make Time Delay
SS
SS
C
35pF
L
Dx
Figure 28. Test Circuit 6—Charge Injection
Figure 26. Test Circuit 4—Switching Times
Dx
0.1µF
V
OUT2
R
300Ω
L
Rev. 0 | Page 13 of 16
C
1nF
L
R
300Ω
V
L
OUT
C
35pF
V
L
OUT
C
35pF
L
V
V
OUT1
OUT
V
V
V
IN
IN
OUT
V
V
IN
IN
ADG1222
ADG1221
ADG1222
ADG1221
V
V
OUT1
OUT2
V
IN
V
S
0V
0V
0V
Figure 24. Test Circuit 2—Off Leakage
Figure 25. Test Circuit 3—On Leakage
Q
NC
t
INJ
ADG1221/ADG1222/ADG1223
50%
ON
I
50%
S
90%
(OFF)
= C
A
NC = NO CONNECT
90%
ON
L
Sx
50%
× ΔV
t
D
Sx
OUT
90%
50%
50%
Dx
ΔV
90%
OFF
OUT
Dx
t
50%
OFF
I
D
(ON)
A
I
V
D
t
D
D
90%
(OFF)
A
V
D
90%