Datasheet
© 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSA2258 • Rev. 1.0.5 4
FSA2258 — Low-Voltage, Dual-SPDT (0.8
) Analog Switch with 16kV ESD
DC Electrical Characteristics
All typical values are at 25ºC unless otherwise specified.
Symbol Parameter Conditions V
CC
(V)
T
A
=+25ºC
T
A
=-40 to
+85ºC
Unit
Min. Typ. Max. Min. Max.
V
IH
Control Input Voltage HIGH
3.60 to 4.30 1.7
V
2.70 to 3.60 1.5
2.30 to 2.70 1.4
1.65 to 1.95 0.9
V
IL
Control Input Voltage LOW
3.60 to 4.30 0.7
V
2.70 to 3.60 0.5
2.30 to 2.70 0.4
1.65 to 1.95 0.4
I
IN
Control Input Leakage
(S1,S2)
V
IN
=0 to V
CC
1.65 to 4.30 -0.5 0.5
µA
I
NO(0FF),
I
NC(OFF)
Off Leakage Current of
Port nB0 and nB1
nA=0.3V, V
CC
–0.3V
nB0 or nB1=V
CC
-0.3V,
0.3V, or Floating
Figure 4
1.95 to 4.30 -10 10 -50 50
nA
I
A(ON)
On Leakage Current of
Port nA
nA=0.3V, V
CC
–0.3V
nB0 or nB1=V
CC
-0.3V,
0.3V, or Floating
Figure 5
1.95 to 4.30 -20 20 -100 100
nA
I
OFF
Power-Off Leakage
Current (Common Port
Only 1A, 2A)
Common Port (1A,
2A), V
IN
=0V to 4.3V,
V
CC
=0V nB0,
nB1=Floating
0 ±1
µA
R
ON
Switch On Resistance
(2 ,5)
I
ON
=100mA, nB0 or
nB1=0.7V, 3.6V
Figure 3
4.30 0.5 1.0
Ω
I
ON
=100mA, nB0 or
nB1=0.7V, 2.3V
Figure 3
3.00 0.8 1.2
I
ON
=100mA, nB0 or
nB1=0V, 0.7V, 1.6V,
2.3V
Figure 3
2.30 1.1
I
ON
=100mA, nB0 or
nB1=0V, 0.7V, 1.65V
Figure 3
1.65 1.5
∆R
ON
On Resistance Matching
Between Channels
(3, 5)
I
ON
=100mA, nB0 or
nB1=0.7V
4.30 0.08 0.25
Ω
3.00 0.20 0.25
2.30 0.40
1.65 0.50
R
FLAT(ON)
On Resistance Flatness
(4 ,5)
I
OUT
=100mA, nB0 or
nB1=0V to V
CC
4.30 0.4
Ω
3.00 0.4
2.30 0.9
1.65 1.2
I
CC
Quiescent Supply Current V
IN
=0 or V
CC
, I
OUT
=0 4.30 -100 100 -500 500
nA
I
CCT
Increase in I
CC
per Input
Input at 2.6V
4.30
3 7
µA
Input at 1.8V 7 15
Notes:
2. On resistance is determined by the voltage drop between A and B pins at the indicated current through the switch.
3. ∆R
ON
=R
ON max
– R
ON min
measured at identical V
CC
, temperature, and voltage.
4. Flatness is defined as the difference between the maximum and minimum value of on resistance (R
ON
) over the
specified range of conditions.
5. Guaranteed by characterization, not production tested for V
CC
=1.65 – 3.0V.