DG447_11 Datasheet, PDF (7/13 Pages) Vishay Siliconix – Low Power, High Voltage SPST Analog Switches

DG447, DG448
Vishay Siliconix
TEST CIRCUITS
V_O is the steady state output with the switch on.
+ 15 V
R_g
V _gen
3V
COM
IN
GND
V+
NO/NC
V-
V_O
C_L
1 nF
V_O
IN_X
OFF
ΔV_O
ON
Q = ΔV_O x C_L
OFF
V_S
R_g = 50 Ω
0V, 2.4 V
- 15 V
+ 15 V
Figure 2. Charge Injection
C
V+
NO/NC
COM
V_O
IN
R_L
GND
V-
C
V_S
R_g = 50 Ω
0 V, 2.4 V
NO/NC
IN
GND
+ 15 V
C
V+
COM
V-
C
- 15 V
V_O
Off Isolation = 20 log
V_S
Figure 3. Off Isolation
+ 15 V
- 15 V
Figure 4. Insertion Loss
0 V, 2.4 V IN
GND
C
V+
NO/NC
COM
V-
C
Meter
HP4192A
Impedance
Analyzer
or Equivalent
f = 1 MHz
V_O
R_L
- 15 V
Figure 5. Source/Drain Capacitances
Document Number: 73854
www.vishay.com
S11-1336-Rev. D, 04-Jul-11
7
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000