High-Bandwidth, Quad DPDT Switches
+5V 10nF
0V OR V+ IN_
V+
COM1
NC1 MAX4760
MAX4761
50Ω
NO1*
GND
Timing Circuits/Timing Diagrams (continued)
NETWORK
ANALYZER
VIN
50Ω
50Ω
VOUT
MEAS
50Ω
REF
50Ω
OFF-ISOLATION = 20log ✕
VOUT
VIN
ON-LOSS = 20log ✕
VOUT
VIN
CROSSTALK = 20log ✕
VOUT
VIN
MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT IC TERMINALS.
OFF-ISOLATION IS MEASURED BETWEEN COM_ AND OFF NO_ OR NC_ TERMINAL ON EACH SWITCH.
ON-LOSS IS MEASURED BETWEEN COM_ AND ON NO_ OR NC_ TERMINAL ON EACH SWITCH.
CROSSTALK IS MEASURED FROM ONE CHANNEL TO THE OTHER CHANNEL.
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
Figure 6. On-Loss, Off-Isolation, and Crosstalk
*FOR CROSSTALK THIS PIN IS NO2.
NC2 AND COM2 ARE OPEN.
Typical Operating Circuit
CAPACITANCE
METER
f = 1MHz
10nF V+
COM_
NC_ or
NO_
V+
MAX4760
MAX4761
IN
GND
VIL OR VIH
Figure 7. Channel On-/Off-Capacitance
INA
NO1
NC1
COM1
HEADPHONES
RIGHT
NO2
NC2
COM2
HEADPHONES
LEFT
INO
NO7
COM7
SWITCHING DATA SIGNALS
NC7
NO8
COM8
NC8
MAX4760
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