MAX4514-MAX4515 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX4514-MAX4515 Datasheet PDF : 8 Pages
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Low-Voltage, Low-On-Resistance,
SPST, CMOS Analog Switches
_________________________________Test Circuits/Timing Diagrams (continued)
V+
V+
NO
VNO
VIN
IN
50Ω
MAX4514
COM
GND
300Ω
VOUT
35pF
V+
VIN
0V
VNO PEAK
VOUT
0V
tON
50%
90%
90%
tOFF
V+
V+
NC
VNC
VIN
IN
50Ω
MAX4515
COM
GND
300Ω
Figure 2. Switching Times
VOUT
35pF
V+
VIN
0V
VNC PEAK
VOUT
0V
tOFF
50%
90%
90%
tON
V+ 10nF
V+ NO
OR
NC
NETWORK
ANALYZER
VIN 50Ω
50Ω
V+
MAX4514
VOUT
IN MAX4515 COM
MEAS
REF
GND
50Ω 50Ω
MEASUREMENTS ARE STANDARDIZED AGAINST
SHORT AT SOCKET TERMINALS. OFF-ISOLATION IS
MEASURED BETWEEN COM AND “OFF” TERMINAL
OFF ISOLATION =
20log
VOUT
VIN
ON EACH SWITCH. ON-LOSS IS MEASURED BETWEEN
COM AND “ON” TERMINAL ON EACH SWITCH. SIGNAL
DIRECTION THROUGH SWITCH IS REVERSED; WORST
VALUES ARE RECORDED.
ON LOSS =
20log
VOUT
VIN
V+
AS
REQUIRED
V+
NO
or
NC
MAX4514
IN MAX4515 COM
GND
1MHz
CAPACITANCE
ANALYZER
Figure 3. Off-Isolation and On-Loss
Figure 4. NO, NC, and COM Capacitance
_______________________________________________________________________________________ 7
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