Datasheet

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APPLICATION INFORMATION
CBYPASS=0.1 Fm
Auto-
powerdown
V
CC
C1 C2,C3,andC4
3.3V 0.3V±
5V 0.5V±
3Vto5.5V
0.1 Fm
0.047 Fm
0.1 Fm
0.1 Fm
0.33 Fm
0.47 Fm
V vsCAPACITORVALUES
CC
FORCEOFF
+
-
+
-
+
-
+
-
+
-
1
8
2
3
5
6
7
4
16
13
12
11
10
9
15
14
V
CC
GND
C1+
V+
C2+
C1-
C2-
V-
DOUT
FORCEON
DIN
INVALID
ROUT
EN
RIN
C1
C2
C4
5kW
C3
†
†
C3canbeconnectedtoV orGND.
CC
NOTES: A.Resistorvaluesshownarenominal.
B.Nonpolarizedceramiccapacitorsareacceptable.Ifpolarizedtantalumorelectrolyticcapacitorsareused,theyshouldbe
connectedasshown.
MAX3221-EP
3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER
WITH ± 15-kV ESD PROTECTION
SLLS751 – OCTOBER 2006
Figure 6. Typical Operating Circuit and Capacitor Values
10
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