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V
+
GND
V
BIAS
V
I
V
I
= V
+
or GND
V
BIAS
= V
+
or GND
Capacitance is measured at NC,
NO, COM, and IN inputs during
ON and OFF conditions.
Capacitance
Meter
V
COM
V
NO
V
NC
COM
NO
NC
IN
C
L
(2)
R
L
V
COM
V+
GND
NC or NO
V
NC
or V
NO
V
I
NC or NO
COM
(1)
V+
V
COM
50 Ω
R
L
C
L
35 pFt
ON
TEST
V+
50 Ω
35 pFt
OFF
50%
t
ON
t
OFF
50%
90% 90%
Logic
Input
(V
I
)
V+
(V
NC
or V
NO
)
0
C
L
(2)
R
L
IN
TS3A24157
0.65- Ω DUAL SPDT ANALOG SWITCH
DUAL-CHANNEL 2:1 MULTIPLEXER/DEMULTIPLEXER
SCDS208A – JUNE 2007 – REVISED SEPTEMBER 2007
PARAMETER MEASUREMENT INFORMATION (continued)
Figure 13. Capacitance (C
I
, C
COM(ON)
, C
NC(OFF)
, C
NO(OFF)
, C
NC(ON)
, C
NO(ON)
)
A. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω , t
r
< 5 ns,
t
f
< 5 ns.
B. C
L
includes probe and jig capacitance.
Figure 14. Turn-On (t
ON
) and Turn-Off Time (t
OFF
)
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Product Folder Link(s): TS3A24157