Precision, Quad, SPST Analog Switches
_________________________________Test Circuits/Timing Diagrams (continued)
VGEN
+5V
VL
RGEN COM
GND
+15V
V+
NC OR
NO
IN V-
-15V
VIN = +3V
Figure 4. Charge-Injection Test Circuit
VO
CL
VO
IN
OFF
∆VO
OFF
ON
ON
OFF
OFF
IN
Q = (∆VO)(CL)
IN DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
SIGNAL
GENERATOR 0dBm
C +15V
V+
COM
ANALYZER
COM
NC OR NO
GND
RL
Figure 5. Off-Isolation Test Circuit
+5V
VL
0V,
IN
2.4V
V-
C
-15V
SIGNAL
GENERATOR 0dBm
0V, 2.4V
ANALYZER
RL
C +15V
V+
COM1
IN1
N02
GND
Figure 6. Crosstalk Test Circuit
+5V
VL
N01
IN2
COM2
V-
50Ω
0V, 2.4V
NC
C
-15V
8 _______________________________________________________________________________________