MAX4714 データシートの表示（PDF） - Maxim Integrated
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MAX4714 Datasheet PDF : 9 Pages
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0.8Ω, Low-Voltage, Single-Supply
SPDT Analog Switch in SC70
Test Circuits/Timing Diagrams (continued)
MAX4714
VGEN
RGEN NC
OR NO
GND
V+
V+
COM
IN
VINL TO VINH
VOUT
CL
Figure 3. Charge Injection
VOUT
IN
OFF
∆VOUT
OFF
ON
ON
OFF
OFF
IN
Q = (∆VOUT)(CL)
IN DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
+3V 10nF
0 OR V+ IN
V+
VIN
COM
NC MAX4714
VOUT
50Ω
NO
GND
NETWORK
ANALYZER
50Ω
50Ω
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 ALL OTHER CHANNELS.
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
Figure 4. On-Loss, Off-Isolation, and Crosstalk
10nF V+
CAPACITANCE
METER
f = 1MHz
V+
COM
MAX4714
NC or
NO
GND
IN
VINL
OR
VINH
Figure 5. Channel Off/On-Capacitance
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