Low-Voltage, Single-Supply
Multiplexer and Switch
_________________________________Test Circuits/Timing Diagrams (continued)
V+
V
ADD
50Ω
V+
ADDA
ADDB
NO0–N03
V+
MAX4524/MAX4525
MAX4524
INH
GND
300Ω
COM
35pF
V
OUT
V
ADD
V+
50%
0V
V
COM
80%
t
R
< 20ns
t
F
< 20ns
V+
V
ADD
ADD
50Ω
V+
NO_, NC_
V+
V
OUT
0V
t
BBM
MAX4525
INH
GND
300Ω
COM_
35pF
V
OUT
REPEAT TEST FOR EACH SECTION.
Figure 3. Break-Before-Make Interval
V+
V+
V+
NO_
CHANNEL
SELECT
ADDB
ADDA
V
INH
50Ω
V
NO
= 0V
V
INH
0V
MAX4524
MAX4525
COM_
GND
V
OUT
CL
1000pF
V
OUT
∆
V
OUT
INH
∆
V
OUT
IS THE MEASURED VOLTAGE DUE TO CHARGE-
TRANSFER ERROR Q WHEN THE CHANNEL TURNS OFF.
Q =
∆
V
OUT
X C
L
REPEAT TEST FOR EACH SECTION.
Figure 4. Charge Injection
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9
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
