Datasheet

MAX14978
SuperSpeed USB Passive Switch
(Low/Full/Hi/SuperSpeed)
8
Test Circuits/Timing Diagrams (continued)
Figure 4. Fault Protection Response/Recovery Time Figure 5. Channel Off-/On-Capacitance
Typical Operating Characteristics
(V
CC
= V
DD
= 3.3V, T
A
= +25NC, unless otherwise noted.)
V
FP
V
CC
= +3.3V
t
FP
t
FPR
+5V
+3V
0V
+3V
0V
V
COMD_
V
NOD_
V
NCD_
CAPACITANCE
METER
NC_ OR
NO_
COM_
GND
SEL_
V
IL
OR V
IH
0.1µF 0.1µF
V
DD
V
DD
V
CC
V
CC
MAX14978
EYE DIAGRAM
(V
CC
= +3.3V, f = 2.5GHz, R
S
= R
L
= 50Ω)
ps/div
VOLTAGE (mV)
150 2001000 50-150 -100 -50-200
-800
-600
-400
-200
0
200
400
600
800
MAX14978 toc01
EYE: ALL BITS Uls: 9995/9995
SUPERSPEED SWITCHES
ON-RESISTANCE vs. V
COM_
V
COM_
(V)
R
ON
(Ω)
MAXMAX14978 toc02
-0.1 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
V
CC
= +3.3V
SUPERSPEED SWITCHES ON-RESISTANCE
vs. V
COM_
(V
CC
= +3.3V)
V
COM_
(V)
R
ON
(Ω)
MAX14978 toc03
-0.1 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1
0
2
4
6
8
10
12
14
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C