Datasheet

© 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSA2156 Rev. 1.0.4 5
FSA2156 — Low-Voltage SPST 0.4Ω Analog Switch
AC Electrical Characteristics
All typical values are at 25°C unless otherwise specified.
Symbol Parameter Condition V
CC
(V)
T
A
=+25ºC
T
A
=-40ºC
to +85ºC
Unit Figure
Min. Typ. Max. Min. Max.
t
ON
Turn-On Time
V
B
=1.5V,
R
L
=50Ω, C
L
=35pF
3.6 to 4.3 55 60
ns
Figure 7
Figure 8
2.7 to 3.6 60 65
2.3 to 2.7 65 70
1.65 to 1.95 40
t
OFF
Turn-Off Time
V
B
=1.5V,
R
L
=50Ω, C
L
=35pF
3.6 to 4.3 65 70
ns
Figure 7
Figure 8
2.7 to 3.6 70 75
2.3 to 2.7 75 80
1.65 to 1.95 90
Q
Charge
Injection
C
L
=1.0nF, V
S
=0V,
R
S
=0Ω
2.3 to 4.3 6
pC Figure 11
1.65 to 1.95 1.3
OIRR Off Isolation
f=100kHz
R
T
=50Ω
1.65 to 4.3 -65 dB Figure 10
BW
-3db
Bandwidth
R
T
=50Ω
C
L
=0pF
1.65 to 4.3 80 MHz Figure 9
THD
Total
Harmonic
Distortion
R
T
=600,
V
SW
=0.5V
PP
,
f=20Hz to 20kHz
1.65 to 4.3 .02 %
Capacitance
Symbol Parameter Condition V
CC
(V)
T
A
=+25ºC
Unit Figures
Min. Typ. Max.
C
IN
Control Pin Input
Capacitance
f=1MHz 0 1.5 pF Figure 12
C
OFF
B-Port Off
Capacitance
f=1MHz 4.3 38 pF Figure 12
C
ON
A-Port On
Capacitance
f=1MHz 4.3 115 pF Figure 13