FSA1156 Fairchild Semiconductor, FSA1156 Datasheet - Page 7

• Manufacturer Part Number: FSA1156
• Description: Low-RON Low-Voltage SPST Analog Switch
• Manufacturer: Fairchild Semiconductor

© 2003 Fairchild Semiconductor Corporation
FSA1156, FSA1157 • Rev. 1.0.3
AC Loading and Waveforms
C
V
L
B
Includes Fixture and Stray Capacitance
0 or V
B
S
V
GND
GE
CC
+
R
GEN
S
V
V
CC
CC
V
B
GND
A
CC
GND
V
CC
10nF
R
50Ω
S
A
B
L
V
V
Control
Input
CC
CC
A
Figure 4. Turn-On / Off Timing
C
35Ω
V
V
L
Figure 5. Charge Injection
IN
OUT
V
OUT
Figure 6. Off Isolation
C
L
V
MEAS
OUT
50Ω
50Ω
Control
Input
Switch
Output
Analyzer
Network
7
V
Logic Input Waveforms Inverted for Switches
OUT
IN
IN
0dBm
V
V
50Ω
that have the Opposite Logic Sense
50Ω
CC
INL
REF
OFF
OFF
V
o
OUT
Q = (ΔV
OFF-ISOLATION = 20log
I
ON
50%
ON-LOSS = 20log
0.9 x V
ON
ON
OUT
)(C
OUT
L
)
t
10%–90%
ΔV
r
0.9 x V
OFF
OFF
= t
t
V
V
OFF
OUT
V
V
OUT
OUT
f
IN
IN
= 2ns
OUT
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