MAX4850 データシートの表示（PDF） - Maxim Integrated
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MAX4850 Datasheet PDF : 16 Pages
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Dual SPDT Analog Switches with
Over-Rail Signal Handling
MAX4850_
MAX4852_
VN_
LOGIC
INPUT
VCC
VCC
NC_
COM_
NO_
IN_
GND
VOUT
RL
CL
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
Figure 3. Break-Before-Make Interval
LOGIC VCC
INPUT
50%
0V
VOUT
0.9 x VOUT
tBBM
MAX4850_
MAX4852_
RGEN NC_
OR NO_
VGEN
GND
VCC
VCC
COM_
IN_
VIL TO VIH
VOUT
CL
VOUT
IN
OFF
∆VOUT
OFF
ON
ON
OFF
OFF
IN
Q = (∆VOUT)(CL)
LOGIC-INPUT WAVEFORMS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
Figure 4. Charge Injection
+5V 10nF
VCC
VIN
0V OR VCC IN_
COM1
MAX4850_
MAX4852_
VOUT
NC1
NO1*
50Ω
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 THE OTHER CHANNEL.
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
*FOR CROSSTALK THIS PIN IS NO2.
NC2 AND COM2 ARE OPEN.
Figure 5. On-Loss, Off-Isolation, and Crosstalk
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