MAX4853H 查看數據表（PDF） - Maxim Integrated
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MAX4853H Datasheet PDF : 14 Pages
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Quad SPST Switches with Over-Rail Signal
Handling
Test Circuits/Timing Diagrams (continued)
MAX4851_
MAX4853_
RGEN
NO_
VGEN
GND
VCC
VCC
COM_
IN_
VIL TO VIH
VOUT
CL
VOUT
OFF
IN
∆VOUT
ON
OFF
Q = (∆VOUT)(CL)
Figure 3. Charge Injection
+5V 10nF
VCC
VIN
0V OR VCC IN_
COM1
MAX4851_
MAX4853_
VOUT
NO1*
GND
NETWORK
ANALYZER
50Ω
50Ω
MEAS
50Ω
REF
50Ω
MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT IC TERMINALS.
OFF-ISOLATION IS MEASURED BETWEEN COM_ AND OFF NO_ TERMINAL ON EACH SWITCH.
ON-LOSS IS MEASURED BETWEEN COM_ AND ON NO_ 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 4. On-Loss, Off-Isolation, and Crosstalk
OFF-ISOLATION = 20log VOUT
VIN
ON-LOSS
=
20log
VOUT
VIN
CROSSTALK = 20log
VOUT
VIN
*FOR CROSSTALK, THIS PIN IS NO2.
COM2 IS OPEN.
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