MAX399CSE Ver la hoja de datos (PDF) - Maxim Integrated
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componentes Descripción
Fabricante
MAX399CSE Datasheet PDF : 12 Pages
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Precision, 8-Channel/Dual 4-Channel,
Low-Voltage, CMOS Analog Multiplexers
_________________________________Test Circuits/Timing Diagrams (continued)
+5V
RS
NO
V+
VEN EN
VS
A0 MAX398
CHANNEL
COM
SELECT
A1
A2
GND
V-
-5V
Figure 5. Charge Injection
+3V
LOGIC
INPUT
OFF
ON
OFF
VEN
0V
VOUT
CL = 1000nF
VOUT
∆VOUT
∆VOUT IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER
ERROR Q WHEN THE CHANNEL TURNS OFF.
Q = ∆VOUT x CL
+5V 10nF
+5V 10nF
VIN
RS = 50Ω
NO1
V+
NO8 MAX398
A0
COM
A1
A2 GND EN
V-
VOUT
RL = 1kΩ
10nF
-5V
OFF ISOLATION = 20log VOUT
VIN
Figure 6. Off Isolation
R = 1kΩ VIN
RG = 50Ω
Figure 7. Crosstalk
NO1
V+
NO2
NO8 MAX398
A0
COM
A1
A2 GND EN
V-
VOUT
RL = 1kΩ
10nF
-5V
CROSSTALK = 20log VOUT
VIN
CHANNEL
SELECT
+5V
A2
V+
NO1
A1 MAX398 NO8
A0
COM
GND EN V-
1MHz
CAPACITANCE
ANALYZER
f = 1MHz
-5V
Figure 8. NO/COM Capacitance
10 ______________________________________________________________________________________
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