Datasheet

MAX4906EF
High-/Full-Speed USB 2.0 Switches
with High ESD
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +2.7V to +3.6V, T
A
= T
MIN
to T
MAX
, charge-pump enabled, unless otherwise noted. Typical values are at V+= 3.3V, T
A
=
+25°C.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Off-Leakage Current
I
NC_,
I
NO_
(OFF)
V+ = 3.6V, V
COM_
= 0.3V, 3.3V;
V
NO_
or V
NC_
= 3.3V, 0.3V
-1 +1 µA
On-Leakage Current
I
NC_,
I
NO_
(ON)
V+ = 3.6V, V
COM
= 0.3V, 3.3V;
V
NO_
or V
NC_
= 0.3V, 3.3V, or unconnected
-1 +1 µA
SWITCH AC PERFORMANCE
On-Channel -3dB Bandwidth BW R
L
= R
S
= 50Ω, signal = 0dBm, Figure 1 500 MHz
f = 10MHz; V
NO_
, V
NC_
= 1V
P-P
;
R
L
= R
S
= 50Ω, Figure 1
-60
Off-Isolation V
ISO
f = 250MHz; V
NO_
, V
NC_
= 1V
P-P
;
R
L
= R
S
= 50Ω, Figure 1
-32
dB
f = 10MHz; V
NO_
, V
NC_
= 1V
P-P
;
R
L
= R
S
= 50Ω, Figure 1
-59
Crosstalk (Note 7) V
CT
f = 250MHz; V
NO_
, V
NC_
= 1V
P-P
;
R
L
= R
S
= 50Ω, Figure 1
-31
dB
Charge-Pump Noise (Note 8) V
QP
Any input or output switch terminal = 50Ω 90 µV
SWITCH DYNAMICS
NO_, NC_, COM_
Off-Capacitance (Note 9)
C
(OFF)
f = 1MHz, Figure 2 9 10 pF
NO_, NC_, COM_
On-Capacitance (Note 9)
C
(ON)
f = 1MHz, Figure 2 10 12 pF
Switch On-Capacitance Matching
(Note 9)
C
ONM
f = 1MHz 0.4 pF
Turn-On Time t
ON
V
N O
_, V
N C
_ = 1.5V ; R
L
= 300Ω , C
L
= 35p F,
V
IH
= V + , V
IL
= 0V , QP = GN D , Fi g ur e 3
1.4 ns
Turn-Off Time t
OFF
V
NO
_, V
NC
_ = 1.5V; R
L
= 300Ω, C
L
= 35pF,
V
IH
= V+, V
IL
= GND, QP = GND, Figure 3
35 ns
Propagation Delay t
PLH_
,t
PHL
R
L
= R
S
= 50Ω, Figure 4 0.2 ns
Fault-Protection Response Time t
FP
V
COM_
= 0 to 5V step,
R
L
= R
S
= 50Ω, C
L
= 10pF, Figure 5
1µs
Fault-Protection Recovery Time t
FPR
V
COM_
= 5V to 3V step,
R
L
= R
S
= 50Ω, C
L
= 10pF, Figure 5
1µs
Output Skew Between Switches
(Note 9)
t
SK(o)
Skew between switch 1 and switch 2,
R
L
= R
S
= 50Ω, Figure 4
20 100 ps
Output Skew Same Switch
(Note 9)
t
SK(p)
Skew between opposite transitions in same
switch, R
L
= R
S
= 50Ω, Figure 4
5 100 ps