Datasheet

V
+
GND
IN
V
BIAS
V
I
V
I
= V
IO
or GND
V
BIAS
= V
+
, V
IO
, or GND and
Capacitance is measured at NO,
COM, and IN inputs during ON
and OFF conditions.
Capacitance
Meter
V
NO
COM
NO
COM
V–
C
L
(2)
R
L
V
COM
V
+
GND
NO
IN
V
NO
V
I
COM
Logic
Input
(1)
V
+
V
COM
50 Ω
R
L
C
L
35 pF
t
ON
TEST
V
+
50 Ω 35 pFt
OFF
50%
t
ON
t
OFF
50%
90% 90%
Logic
Input
(V
I
)
V
IO
Switch
Output
(V
NO
)
0
(1)
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.
(2)
C
L
includes probe and jig capacitance.
V–
TS12A12511
SCDS248B – OCTOBER 2009– REVISED APRIL 2011 www.ti.com
Figure 15. Capacitance (C
COM(OFF)
, C
COM(ON)
, C
NC(OFF)
, C
NC(ON)
)
Figure 16. Turn-ON (t
ON
) and Turn-OFF Time (t
OFF
)
12 Copyright © 2009–2011, Texas Instruments Incorporated