Datasheet

© 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSA2258 • Rev. 1.0.5 5
FSA2258 — Low-Voltage, Dual-SPDT (0.8

) Analog Switch with 16kV ESD
AC Electrical Characteristics
All typical value are for V
CC
=3.3V at 25ºC unless otherwise specified.
Symbol Parameter Conditions V
CC
(V)
T
A
=+25ºC
T
A
=-40 to
+85°C
Unit Figure
Min. Typ. Max. Min. Max.
t
ON
Turn-On
Time
nB0 or
nB1=1.5V,
R
L
=50Ω,
C
L
=35pF
3.60 to 4.30 55 60
ns
Figure 6
Figure 7
2.70 to 3.60 60 65
2.30 to 2.70 65 70
1.65 to 1.95 70
t
OFF
Turn-Off
Time
nB0 or
nB1=1.5V,
R
L
=50Ω,
C
L
=35pF
3.60 to 4.30 30 5 35
ns
2.70 to 3.60 35 5 40
2.30 to 2.70 40 5 45
1.65 to 1.95 40
t
BBM
Break-
Before-Make
Time
(6)
nB0 or
nB1=1.5V,
R
L
=50Ω,
C
L
=35pF
3.60 to 4.30 15 2
ns Figure 8
2.70 to 3.60 15 2
2.30 to 2.70 15 2
1.65 to 1.95 16 2
Q
Charge
Injection
(6)
C
L
=1.0nF,
V
S
=0V, R
S
=0Ω
1.65 to 4.30 25 pC Figure 12
OIRR
Off Isolation
(6)
f=100kHz,
R
L
=50Ω, C
L
=0pF
1.65 to 4.30 -80 dB Figure 10
Xtalk
Crosstalk
(6)
f=100kHz,
R
L
=50Ω, C
L
=0pF
1.65 to 4.30 -100 dB Figure 11
BW
-3db
Bandwidth
(6)
R
L
=50Ω, C
L
=0pF
1.65 to 4.30 >50 MHz Figure 9
THD+N
Total
Harmonic
Distortion +
Noise
(6)
f=20Hz to 20kHz,
R
L
=32,
V
IN
=2V
PP
1.65 to 4.30 .06 % Figure 15
Note:
6. Guaranteed by characterization, not production tested
Capacitance
All capacitance specifications are guaranteed by characterization and are not production tested.
Symbol Parameter Conditions V
CC
(V)
T
A
=+25ºC
Unit Figure
Min. Typ. Max.
C
IN
Control Pin Input Capacitance
f=1MHz 0 1.5 pF Figure 13
C
OFF
B Port Off Capacitance
f=1MHz 3.3 30 pF Figure 13
C
ON
A Port On Capacitance
f=1MHz 3.3 50 pF Figure 14