Datasheet

MAX4631/MAX4632/MAX4633
Fault-Protected, High-Voltage,
Dual Analog Switches
12 ______________________________________________________________________________________
0V
V+
V
IN_
∆ V
OUT
IS THE MEASURED VOLTAGE DUE TO CHARGE-
TRANSFER ERROR Q WHEN THE CHANNEL TURNS OFF.
∆ V
OUT
V- IS CONNECTED TO GND (0V) FOR SINGLE-SUPPLY OPERATION. Q = ∆ V
OUT
• C
L
V
OUT
V+
V
OUT
V
IN_
GND
V+
V-
V-
IN_
NO_ OR NC_
COM_
MAX4631
MAX4632
MAX4633
50Ω
C
L
100pF
Figure 4. Charge Injection
V- IS CONNECTED TO GND (0V) FOR SINGLE-SUPPLY OPERATION.
V+
V+
GND
V+
V-
V-
IN_
NO_
COM_
MAX4631
MAX4632
MAX4633
NC_
ADDRESS SELECT
1MHz
CAPACITANCE
ANALYZER
Figure 5. COM_, NO_, and NC_ Capacitance
Test Circuits/Timing Diagrams (continued)