AAT4290/91
I/O Expander Load Switches with Serial Control
Electrical Characteristics
V
IN
= 5.0V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
A
= 25°C.
Symbol
V
IN
I
Q
I
Q(OFF)
I
SD(OFF)
V
UVLO
V
UVLO(hys)
R
DS(ON)
Description
Operation Voltage
Quiescent Current
Off Supply Current
Off Switch Current
Under-Voltage Lockout
Under-Voltage Lockout Hysteresis
Conditions
V
IN
= 5.5V, EN/SET = V
IN
, I
OUT
= 0,
All Switches ON
EN/SET = 0, V
IN
= 5.5V, V
OUT
Open
EN/SET = 0, V
IN
= 5.5V, V
OUTn
= 0
V
IN
Falling
V
IN
V
IN
V
IN
V
IN
=
=
=
=
1.8V, T
A
3.0V, T
A
4.2V, T
A
5.0V, T
A
=
=
=
=
25°C
25°C
25°C
25°C
Min
1.8
Typ Max
5.5
4.5
8
1
1
Units
V
µA
µA
µA
V
mV
Ω
On Resistance
0.1
1.2
250
2.5
1.5
1.2
1.1
2800
3.8
2.2
1.8
1.7
On Resistance Temperature
Coefficient
AAT4290-1 and AAT4291-1
T
D(ON)
Output Turn-On Delay Time
T
R
Turn-On Rise Time
T
D(OFF)
Turn-Off Delay Time
EN/SET
V
EN(L)
Enable Threshold Low
V
EN(H)
Enable Threshold High
T
LO
EN/SET Low Time
T
CRDS
T
HI
T
O
T
LAT
I
SINK
Minimum EN/SET High Time
EN/SET Off Timeout
EN/SET Latch Timeout
EN/SET Input Leakage
ppm°C
V
IN
= 5V, R
LOAD
= 500Ω, C
OUT
= 0.1µF
V
IN
= 5V, R
LOAD
= 500Ω, C
OUT
= 0.1µF
V
IN
= 5V, R
LOAD
= 500Ω
V
IN
= 1.8V
V
IN
= 5.5V
V
EN/SET
< 0.4V
V
IN
≤
2.5V
V
IN
> 2.5V
40
270
40
0.4
1.6
100
500
250
4.0
4.0
1
ns
ns
ns
V
V
ns
ns
µs
µs
µA
V
EN/SET
= 5.5V
2.6
2.6
0.01
1. The AAT4290/91 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is
assured by design, characterization, and correlation with statistical process controls.
4
4290.2006.03.1.2
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
