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.
EN/SET Latch Timeout vs. Temperature
3.4
3.4
3.2
3
2.8
2.6
2.4
2.2
-20
0
20
40
60
80
100
-40
-20
0
20
40
60
80
100
EN/SET Off Timeout vs. Temperature
Latch Timeout, t
LAT
(µs)
3
2.8
Off Timeout, t
O
(µs)
3.2
V
IN
= 3.3V
V
IN
= 3.3V
2.6
V
IN
= 5.0V
2.4
2.2
-40
V
IN
= 5.0V
Temperature (°C)
Temperature (°C)
EN/SET Timeout vs. Input Voltage
4.3
4.1
3.9
Turn-On Characteristic
(V
IN
= 5V, R
L1
= R
L2
= 50Ω; C
O1
= C
O2
= 0.1µF)
Timeout (µs)
3.7
3.5
3.3
3.1
2.9
2.7
2.5
1.5
2
2.5
3
3.5
4
4.5
5
5.5
V
O2
(5V/div)
V
O1
(5V/div)
EN/SET
(5V/div)
Input Voltage (V)
Time (2µs/div)
Off Timeout t
O
Latch Timeout t
LAT
Turn-On Characteristic
(V
IN
= 5V; R
L1
= R
L2
= 50Ω; C
O1
= C
O2
= 0.1µF)
Turn-On Characteristic
(V
IN
= 5V; R
L1
= R
L2
= 50Ω; C
O1
= C
O2
= 0.1µF)
V
O2
(5V/div)
V
O1
(5V/div)
EN/SET
(5V/div)
Time (2µs/div)
V
O2
(5V/div)
V
O1
(5V/div)
EN/SET
(5V/div)
Time (2µs/div)
6
4290.2006.03.1.2
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
