Phase-Reversal Analog Switches
_________________________________Test Circuits/Timing Diagrams (continued)
V+
SWITCH
SELECT
V+
V+
A
B
MAX4526
MAX4527 X
IN
GND
Y
V-
V-
1MHz
CAPACITANCE
ANALYZER
Figure 6. A, B, X, Y Capacitance
V+ 10nF
V+
A,B
VIN
NETWORK
ANALYZER
50Ω
50Ω
V+
MAX4526
MAX4527
VOUT
MEAS.
REF
SWITCH
SELECT
IN
X,Y
GND
V-
50Ω
50Ω
10nF
V-
MEASUREMENTS ARE STANDARDIZED AGAINST SHORT AT SOCKET TERMINALS.
OFF ISOLATION IS MEASURED BETWEEN A, B AND "OFF" X, Y TERMINAL.
ON LOSS IS MEASURED BETWEEN A, B AND "ON" X, Y TERMINAL.
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
V- IS CONNECTED TO GND (0V) FOR SINGLE-SUPPLY OPERATION.
Figure 7. Off Isolation and On Loss
OFF ISOLATION = 20 log
VOUT
VIN
ON LOSS = 20 log
VOUT
VIN
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