Low-Voltage, Phase-Reversal
Analog Switch
_________________________________Test Circuits/Timing Diagrams (continued)
V+
SWITCH
SELECT
V+
V+
A
B
MAX4528 X
IN
GND
Y
V-
V-
Figure 6. A, B, X, Y Capacitance
1MHz
CAPACITANCE
ANALYZER
V+ 10nF
V+
SWITCH
SELECT
V+
A, B
MAX4528
IN
X, Y
GND
V-
10nF
V-
NETWORK
ANALYZER
VIN
50Ω
50Ω
VOUT
MEAS.
REF
50Ω
50Ω
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 = 20log
VOUT
VIN
ON LOSS = 20log
VOUT
VIN
______________________________________________________________________________________ 11