Datasheet

MAX14978
SuperSpeed USB Passive Switch
(Low/Full/Hi/SuperSpeed)
9
Typical Operating Characteristics (continued)
(V
CC
= V
DD
= 3.3V, T
A
= +25NC, unless otherwise noted.)
10,000 100,000
0.001
1
0.1
0.01
10 100 1000
LOW/FULL/HI-SPEED SWITCHES
TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY
MAX14978 toc11
FREQUENCY (Hz)
THD+N (%)
R
L
= 600Ω
-10
1 1,00010010
LOW/FULL/HI-SPEED SWITCHES
FREQUENCY RESPONSE
-70
-90
-100
-30
0
-60
-40
-50
-80
-20
MAX14978 toc10
FREQUENCY (MHz)
MAGNITUDE (dB)
OFF-ISOLATION
ON-LOSS
CROSSTALK
0
10
20
30
40
50
60
70
80
-40 -15 10 35 60 85
LOW/FULL/HI-SPEED SWITCHES
COM_ LEAKAGE CURRENT vs. TEMPERATURE
MAX14978 toc07
TEMPERATURE (°C)
LEAKAGE CURRENT (nA)
COM_ ON-LEAKAGE
COM_ OFF-LEAKAGE
0
1
3
2
4
5
LOW/FULL/HI-SPEED SWITCHES
QUIESCENT SUPPLY CURRENT vs. LOGIC LEVEL
MAX14978 toc08
LOGIC LEVEL (V)
QUIESCENT SUPPLY CURRENT (µA)
0 1 2 3
0
0.4
0.2
0.8
0.6
1.0
1.2
2.8 3.8 4.8
LOW/FULL/HI-SPEED SWITCHES
LOGIC-INPUT THRESHOLD vs. SUPPLY VOLTAGE
MAX14978 toc09
SUPPLY VOLTAGE (V)
LOGIC THRESHOLD (V)
V
IL
V
IH
SUPERSPEED HI-SPEED SWITCHES
SUPPLY CURRENT vs. TEMPERATURE
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
MAX14978 toc04
-40 -15 10 35 60 85
0
10
20
30
40
50
60
70
80
V
CC
= +3.3V
SUPERSPEED SWITCHES
LOGIC-INPUT THRESHOLD vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
LOGIC THRESHOLD (V)
MAX14978 toc05
1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
V
IH
V
IL
0
2
1
4
3
6
5
7
LOW/FULL/HI-SPEED SWITCHES
ON-RESISTANCE vs. V
COM_
MAX14978 toc06
V
COM_
(V)
R
ON
(Ω)
0
1 2
3
T
A
= -40°CT
A
= +85°C T
A
= +25°C