0.8Ω, Low-Voltage, 4-Channel
Analog Multiplexer
Test Circuits/Timing Diagrams (continued)
VIH + 0.5V VEN EN
V+
V+
NO1–NO4
VNO_
MAX4734
A0
VA
A1
COM
GND
VOUT
35pF
RL
LOGIC
INPUT
VIH + 0.5V
50%
VA_
0
VNO_
SWITCH
OUTPUT
VOUT
0
tR < 5ns
tF < 5ns
90%
tBBM
Figure 2. Break-Before-Make Interval
V+
RS
NO
V+
VEN EN
VS
CHANNEL
A0 MAX4734
COM
SELECT
A1
GND
Figure 3. Charge Injection
VIH + 0.5V
LOGIC
OFF
ON
OFF
INPUT 0
VEN
VOUT
CL = 5nF
VOUT
∆VOUT
∆VOUT IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER
ERROR Q WHEN THE CHANNEL TURNS OFF.
Q = ∆VOUT x CL
CHANNEL
SELECT
Figure 4. Channel Off/On-Capacitance
V+
V+
NO1
A1 MAX4734 NO4
A0
GND EN
COM
VIH
OR
VIL
1MHz
CAPACITANCE
ANALYZER
f = 1MHz
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