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ManualsBrandsMAXIM INTEGRATED ManualsInterface ICsInterface IC - transceivers RS232 2/2 TQFN 16
11121314151617181920
±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,
Up to 1Mbps, True RS-232 Transceivers
__________________________________________________Typical Operating Circuits
R2OUT10
1
R1OUT13
R2IN
9
18
GND
16
RS-232
OUTPUTS
TTL/CMOS
INPUTS
T2IN
11
T1IN
12
C2-
6
C2+
5
C1-
4
C1+
2
R1IN
14
T2OUT
8
T1OUT
15
V-
7
V+
3
V
CC
17
C1
0.1µF
C2
0.1µF
C
BYPASS
+3.3V
RS-232
INPUTS
TTL/CMOS
OUTPUTS
5kΩ
5kΩ
EN
SHDN
C3*
0.1µF
C4
0.1µF
NOTE: PIN NUMBERS REFER TO SO/DIP PACKAGES.
MAX3222E PINOUT REFERS TO SO/DIP PACKAGES.
MAX3232E PINOUT REFERS TO TSSOP/SSOP/SO/DIP PACKAGES
*C3 CAN BE RETURNED TO EITHER V
CC
OR GROUND.
R2OUT9
R1OUT12
R2IN
8
GND
15
RS-232
OUTPUTS
TTL/CMOS
INPUTS
T2IN
10
T1IN
11
C2-
5
C2+
4
C1-
3
C1+
1
R1IN
13
T2OUT
7
T1OUT
14
V-
6
V+
2
V
CC
C4
0.1µF
16
C1
0.1µF
C2
0.1µF
C
BYPASS
+3.3V
RS-232
INPUTS
TTL/CMOS
OUTPUTS
C3*
0.1µF
5kΩ
5kΩ
SEE TABLE 2 FOR CAPACITOR SELECTION.
MAX3222E
MAX3232E
18
Maxim Integrated