Datasheet

MAX4814E
DVI/HDMI 2:4 Low-Frequency Fanout Switch
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MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT IC TERMINALS.
OFF-ISOLATION IS MEASURED BETWEEN SW_ AND "OFF" A_ OR B_ TERMINAL ON EACH SWITCH.
ON-LOSS IS MEASURED BETWEEN SW_ AND "ON" A_ OR B_TERMINAL ON EACH SWITCH.
CROSSTALK IS MEASURED FROM ONE CHANNEL TO ALL OTHER CHANNELS.
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
+5V
V
OUT
V
DD
B_
A_
SW_
V
IN
MAX4814E
OFF-ISOLATION = 20log
V
OUT
V
IN
ON-LOSS = 20log
V
OUT
V
IN
CROSSTALK = 20log
V
OUT
V
IN
NETWORK
ANALYZER
50Ω
50Ω 50Ω
50Ω
MEAS REF
0.1μF
50Ω
GND
Figure 1. On-Loss, Off-Isolation, and Crosstalk
CAPACITANCE
METER
A_ OR
B_
SW_
GND
V
IL
OR
V
IH
0.1μF
+5V
V
DD
f = 1MHz
MAX4814E
DB_
DA_
OR
SDA
SCL
Figure 2. Channel Off-/On-Capacitance
V
OUT
OFF
ON
OFF
ΔV
OUT
Q = (ΔV
OUT
)(C
L
)
IN DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
OFF
ON
OFF
MAX4814E
V
GEN
GND
SW_
C
L
V
OUT
A_
OR B_
V
INL
TO V
INH
R
GEN
0.1μF
V
DD
+5V
DB_
DA_
OR
SDA
SCL
DB_
DA_
OR
SDA
SCL
DB_
DA_
OR
SDA
SCL
Figure 3. Charge Injection