Datasheet

MAX4999
USB 2.0 Hi-Speed Differential
8:1 Multiplexer
6 _______________________________________________________________________________________
Typical Operating Characteristics
(V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted.)
4.6
5.0
4.8
5.4
5.2
5.8
5.6
6.0
0 1.2 1.80.6 2.4 3.0 3.6
ON-RESISTANCE
vs. V
COM_
MAX4999 toc01
V
COM_
(V)
R
ON
(Ω)
V
CC
= +3.0V V
CC
= +3.3V
V
CC
= +3.6V
4.0
5.0
4.5
6.0
5.5
6.5
7.0
0 1.1 2.2 3.3
ON-RESISTANCE
vs. V
COM_
MAX4999 toc02
V
COM_
(V)
R
ON
(Ω)
V
CC
= +3.3V
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
0
40
20
80
60
100
120
-40 85
LEAKAGE CURRENT
vs. TEMPERATURE
MAX4999 toc03
TEMPERATURE (
°
C)
LEAKAGE CURRENT (nA)
10-15 35 60
V
CC
= +3.6V
COM_ ON-LEAKAGE
COM_ OFF-LEAKAGE
0.50
0.75
0.63
1.00
0.88
1.13
1.25
-40 85
QUIESCENT SUPPLY CURRENT
vs. TEMPERATURE
MAX4999 toc04
TEMPERATURE (°C)
QUIESCENT SUPPLY CURRENT (µA)
10-15 35 60
V
CC
= +3.3V
V
CC
= +3.0V
V
CC
= +3.6V
0.70
0.80
0.75
0.90
0.85
0.95
1.00
3.0 3.33.2 3.5 3.6
LOGIC THRESHOLD
vs. SUPPLY VOLTAGE
MAX4999 toc05
SUPPLY VOLTAGE (V)
LOGIC THRESHOLD (V)
V
IH
V
IL
0
-100
1 10 100 1000 10,000
FREQUENCY RESPONSE
-80
MAX4999 toc06
FREQUENCY (MHz)
MAGNITUDE (dB)
-60
-40
-20
-30
-50
-70
-90
-10
OFF-ISOLATION
ON-RESPONSE
CROSSTALK
EYE DIAGRAM - SINGLE
MAX4999 toc07
EYE DIAGRAM - DOUBLE
MAX4999 toc08