Datasheet

MAX4890E/MAX4892E
1000 Base-T ±15kV ESD Protection LAN Switch
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +3V to +3.6V, T
A
= T
J
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V+ = 3.3V, T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V
CT1
f = 25MHz -50
Crosstalk
V
CT2
Any switch to any
switch; R
S
= R
L
=
50Ω, unbalanced,
Figure 1
f = 125MHz -26
dB
SWITCH AC CHARACTERISTIC
-3dB Bandwidth BW R
S
= R
L
= 50Ω, unbalanced
650
MHz
Off-Capacitance C
OFF
f = 1MHz, _B_, A_ 3.5 pF
On-Capacitance C
ON
f = 1MHz, _B_, A_ 6.5 pF
Turn-On Time t
ON
V
A_
= 1V, R
L
, 100Ω, Figure 2 50 ns
Turn-Off Time t
OFF
V
A_
= 1V, R
L
, 100Ω, Figure 2 50 ns
Propagation Delay
t
PLH
,
t
PHL
R
S
= R
L
= 50Ω, unbalanced, Figure 3 0.1 ns
Output Skew Between Ports t
SK(o)
Skew between any two ports, Figure 4
0.01
ns
SWITCH LOGIC
Input-Voltage Low V
IL
V+ = 3.0V 0.8
Input-Voltage High V
IH
V+ = 3.6V 2.0
V
Input-Logic Hysteresis V
HYST
V+ = 3.3V
100
mV
Input Leakage Current I
SEL
V+ = 3.6V, V
SEL
= 0 or V+ -5 +5 µA
Operating Supply-Voltage Range
V+ 3.0 3.6 V
Quiescent Supply Current I+ V+ = 3.6V, V
SEL
= 0 or V+
280 450
µA
Note 1: Specifications at -40°C are guaranteed by design.
Note 2: Guaranteed by design.