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.
Turn-On Characteristic
(V
IN
= 5V; R
L1
= R
L2
= 50Ω; C
O1
= C
O2
= 0.1µF)
Turn-Off 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)
Transition of Outputs
(V
IN
= 5V; R
L1
= R
L2
= 50Ω; C
O1
= C
O2
= 0.1µF)
Turn-On Transient Characteristic
(V
IN
= 5V; R
L1
= R
L2
= 50Ω)
V
O2
(5V/div)
V
O1
(5V/div)
EN/SET
(5V/div)
Time (2µs/div)
V
O2
(100mV/div,
AC coupled)
V
O1
(5V/div)
EN/SET
(5V/div)
Time (5µs/div)
4290.2006.03.1.2
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