MAX3248EEAI Maxim Integrated, MAX3248EEAI Datasheet - Page 6

• Manufacturer Part Number: MAX3248EEAI
• Description: RS-232 Interface IC
• Manufacturer: Maxim Integrated
• Series: MAX3238E, MAX3248Er

Precision, Quad, SPDT, CMOS Analog Switch
______________________________________________Test Circuits/Timing Diagrams
Figure 3. Channel-Off Capacitance
Figure 5. Break-Before-Make
Figure 6. Charge Injection
6
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CAPACITANCE
LOGIC
INPUT
SWITCH
OUTPUT
SWITCH
OUTPUT
METER
V COM
V COM
+3V
0V
0V
0V
V GEN
R GEN
V O2
V O1
COM_
50%
t D
GND
COM_
NO_
OR NC_
C
GND
0.9V O
+15V
V+
IN_
+15V
V+
NC OR NO
-15V
t D
V-
-15V
V-
IN_
0.9V O
0V, 2.4V
C
C L
10nF
V O
LOGIC
INPUT
Figure 4. Channel-On Capacitance
V
C L INCLUDES FIXTURE AND STRAY CAPACITANCE.
LOGIC 0 INPUT.
COM
V O
IN_
CAPACITANCE
METER
COM_
IN_
GND
ON
+15V
V+
V O
-15V
V-
Q = ( V O )(C L )
NO
NC
OFF
COM_
NO
OR NC
C
GND
R L2
V O2
+15V
V+
R L = 1000
C L = 35pF
C L2
R L1
-15V
V-
ON
IN_
V O1
C
2.4V
0V,
C L1