AAT4290/91
I/O Expander Load Switches with Serial Control
Typical Characteristics
Unless otherwise noted, V
IN
= 5V, C
IN
= 1µF, C
OUTX
= 0.1µF, T
A
= 25°C.
Quiescent Current vs. Temperature
6
5.5
5
4.5
5.5
5
Quiescent Current vs. Input Voltage
V
IN
= 5.0V
I
Q
(µA)
V
IN
= 3.3V
-40
-20
0
20
40
60
80
100
4.5
4
3.5
3
2.5
2
1.5
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
I
Q
(µA)
4
3.5
3
2.5
2
Temperature (°C)
Input Voltage (V)
V
IH
and V
IL
vs. Input Voltage
1.4
1.3
1.2
2.7
2.5
R
DS(ON)
vs. Input Voltage
I
O1-5
= 100mA
V
IH
R
DS(ON)
(Ω)
2.3
2.1
V
IH
and V
IL
(V)
1.1
1
0.9
0.8
0.7
1.9
1.7
1.5
1.3
1.1
0.9
R
DS5
R
DS1
R
DS2
R
DS3
V
IL
R
DS4
3.0
3.5
4.0
4.5
5.0
5.5
0.6
0.5
0.7
1.5
1.5
2
2.5
3
3.5
4
4.5
5
5.5
2.0
2.5
Input Voltage (V)
Input Voltage (V)
R
DS(ON)
vs. Temperature
1.3
1.2
1.1
R
DS(ON)
vs. Temperature
1.4
1.3
V
IN
= 5.0V
I
O1-5
= 50mA
R
DS2
R
DS(ON)
(Ω)
R
DS1
R
DS5
R
DS4
V
IN
= 5.0V
I
O1-5
= 100mA
R
DS2
R
DS1
R
DS5
1.2
1.1
1.0
0.9
0.8
40
60
80
100
0.7
-40
R
DS(ON)
(Ω)
1
0.9
0.8
0.7
-40
R
DS4
R
DS3
-20
0
20
40
60
80
100
R
DS3
-20
0
20
Temperature (°C)
4290.2006.03.1.2
Temperature (°C)
5
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
