Datasheet

© 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSA2156 Rev. 1.0.4 4
FSA2156 — Low-Voltage SPST 0.4Ω Analog Switch
DC Electrical Characteristics
All typical values are at 25°C unless otherwise specified.
Symbol Parameter Condition V
CC
(V)
T
A
=+25°C
T
A
=-40 to
+85°C
Unit
Min. Typ. Max. Min. Max.
V
IH
Input Voltage
High
3.6 to 4.3 1.4
V
2.7 to 3.6 1.3
2.3 to 2.7 1.1
1.65 to 1.95 0.9
V
IL
Input Voltage Low
3.6 to 4.3 0.7 V
2.7 to 3.6 0.5
V
2.3 to 2.7 0.4
1.65 to 1.95 0.4
I
IN
Control Input
Leakage
V
CNTRL
=0 to V
CC
1.65 to 4.3 -0.5 0.5 µA
I
NO(0FF)
Off Leakage
Current of Port B
V
A
=0.3V, V
CC
– 0.3V,
V
B
=0.3V, V
CC
– 0.3V or
Floating, Figure 5
1.95 to 4.3 -10 10 -50 50 nA
I
A(ON)
On Leakage
Current of Port A
V
A
=0.3V, V
CC
– 0.3V,
V
B
=Floating, Figure 6
1.95 to 4.3 -20 20 -100 100 nA
I
0FF
Power Off
Leakage Current
Port A V
A
=0.3V, 4.3V,
V
CC
=0V, V
B
=0V
0V ±25 µA
Power Off
Leakage
Current
(3)
Port A V
A
=0.3V, 4.3V,
V
CC
=0V, V
B
=Floating
0V -4 +4 -35 35 nA
R
ON
Switch On
Resistance
(4)
Figure 4
I
ON
=100mA, V
B
=0V,
0.7V, 3.6V and 4.3V
4.3 0.36 0.60
Ω
I
ON
=100mA, V
B
=0V,
0.7V, 2.0V and 2.7V
2.7 0.40 0.70
I
ON
=100mA, V
B
=0V,
0.7V, 1.6V and 2.3V
2.3 0.55 0.80
I
ON
=100mA, V
B
=0.7V 1.65 1.50
R
FLAT(ON)
On Resistance
Flatness
(5)
Figure 4
I
ON
=100mA, V
B
=0V,
0.7V, 3.6V and 4.3V
4.3 0.25
Ω
I
ON
=100mA, V
B
=0V,
0.7V, 2.0V and 2.7V
2.7 0.25
I
ON
=100mA, B=0V, 0.7V,
1.6V and 2.3V
2.3 0.30
I
ON
=100mA, V
B
=0V,
0.7V, 0.9V and 1.65V
1.65 0.90
I
CC
Quiescent Supply
Current
V
SW
=0 or V
CC
, I
OUT
=0 4.3 -100 30 100 -500 500 nA
I
CCT
Increase in I
CC
per Input
V
CNTRL
=2.6V
4.3
3 6
µA
V
CNTRL
=1.8V 7 12 15
Notes:
3. Guaranteed by characterization; not production tested.
4. On resistance is determined by the voltage drop between A and B pins at the indicated current through the
switch.
5. Flatness is defined as the difference between the maximum and minimum value of on resistance over the
specified range of conditions.