Low-Voltage, Single-Supply
Multiplexer and Switch
_________________________________Test Circuits/Timing Diagrams (continued)
V+
VADD
V+
ADDA
NO0–N03
V+
ADDB
50Ω
MAX4524
INH
COM
GND
300Ω
VOUT
35pF
V+
VADD
V+
ADD
NO_, NC_
V+
50Ω
MAX4525
INH
COM_
GND
300Ω
VOUT
35pF
REPEAT TEST FOR EACH SECTION.
Figure 3. Break-Before-Make Interval
V+
VADD
0V
VCOM
VOUT
0V
tR < 20ns
50%
tF < 20ns
80%
tBBM
V+
CHANNEL
SELECT
VINH
ADDB
ADDA
V+
NO_
MAX4524
MAX4525
INH
50Ω
COM_
GND
VNO = 0V
VOUT
CL
1000pF
V+
VINH
0V
VOUT
∆ VOUT
∆ VOUT IS THE MEASURED VOLTAGE DUE TO CHARGE-
TRANSFER ERROR Q WHEN THE CHANNEL TURNS OFF.
REPEAT TEST FOR EACH SECTION.
Q = ∆ VOUT X CL
Figure 4. Charge Injection
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