FSA4159 Fairchild Semiconductor, FSA4159 Datasheet - Page 10

• Manufacturer Part Number: FSA4159
• Description: Low-Voltage, 1 Ohm SPDT Analog Switch with Power-Off Isolation
• Manufacturer: Fairchild Semiconductor

© 2007 Fairchild Semiconductor Corporation
FSA4159 Rev. 1.0.1
Test Diagrams
V
C
Bn
L
includes fixture and stray capacitance.
Control
Input
S
C
GND
B
0 or V
50
V
L
0
Bn
includes fixture and stray capacitance.
or B
CC
1
B
B
S
S
B
V
0
1
O
CC
V
A
CC
GND
GND
V
CC
10nF
V
R
50
CC
B
L
A
A
1
Figure 11. Break-Before-Make Timing
Figure 12. Off Isolation and Crosstalk
Figure 10. Turn On / Off Timing
C
35pF
V
V
L
V
IN
OUT
R
50
OUT
L
V
OUT
C
35pF
MEAS
L
50
10
50
Control
Input
Control
Switch
Output
Analyzer
Input
Network
Logic input waveforms inverted for switches
V
50
V
0V
OUT
50
CC
REF
0V
0V
that have the opposite logic sense.
V
V
OUT
CC
50%
OFF-ISOLATION = 20log
t
ON
CROSSTALK = 20log
50%
T
ON-LOSS = 20log
D
0.9 x V
t
R
= t
OUT
F
= 2.5ns
0.9 x V
V
V
V
t
R
V
V
V
0.9 x V
OUT
OUT
OUT
IN
IN
IN
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= t
t
OUT
OFF
F
= 2.5ns
OUT