MAX394 Maxim, MAX394 Datasheet - Page 10

• Manufacturer Part Number: MAX394
• Description: The MAX394 is a precision, low-voltage, quad, single-pole/double-throw (SPDT) analog switch
• Manufacturer: Maxim

Low-Voltage, Quad, SPDT,
CMOS Analog Switch
Figure 2. Switching-Time Test Circuit
Figure 3. Channel Off-Capacitance
Figure 5. Break-Before-Make Delay
10
______________________________________________Test Circuits/Timing Diagrams
CAPACITANCE
METER
______________________________________________________________________________________
LOGIC
INPUT
SWITCH
OUTPUT
SWITCH
OUTPUT
V
COM
V
IN
+10V
-10V
V COM
V COM
3V
0V
0V
+3V
0V
0V
0V
t
OFF
C
V O2
COM
NC
or NO
V O1
50%
+5V
t D
GND
V+
50%
t
t
ON
50%
t
t
OPEN
R
F
50%
< 20ns
< 20ns
t
MAX394
0.9V O
OFF
-5V
V-
IN
t D
50%
t
ON
t
OPEN
50%
C
0V or 2.4V
0.9V O
50%
LOGIC
INPUT
Figure 4. Channel On-Capacitance
CAPACITANCE
LOGIC
INPUT
V
C L INCLUDES FIXTURE AND STRAY CAPACITANCE.
LOGIC 0 INPUT.
METER
COM
+10V
COM_
IN_
-10V
GND
IN_
MAX394
(REPEAT TEST FOR IN2, IN3, AND IN4.)
+5V
+15V
V+
V+
C
NC_
NO_
-5V
V-
COM
NC or
NO
NO
NC
GND
+5V
GND
V+
MAX394
R L2
COM_
MAX394
-15V
V-
V O2
-5V
V-
R L = 1kΩ
C L = 35pF
C L2
SWITCH OUTPUT
IN
R L1
C
300Ω
0V or 2.4V
V O1
C L1