ISL3332_14 Datasheet, PDF (6/26 Pages) Intersil Corporation – 3.3V, ±15kV ESD Protected, Two Port, Dual Protocol (RS-232/RS-485) Transceivers

ISL3332, ISL3333
Typical Operating Circuits
RS-232 MODE WITHOUT LOOPBACK
+3.3V
C₁
0.1µF
C₂
0.1µF
+ _0.1μF
1
+ ^C1+
2
C1-
28
+ ^C2+
27
C2-
26
V_CC
4
A1
R
5kΩ
3
V+
+ ^C3
0.1µF
V- ¹⁵
C₄
0.1µF
+
24 _RA1
B1
Y1
Z1
V_CC
5
R
5kΩ
6
D
25 _RB1
RXEN1
(QFN ONLY)
22
D_Y1
7
D
DEN1
(QFN ONLY)
23
21
LB
8
SEL1
20
ON/OFF
GND
14
D_Z1
V_CC
V_CC
NOTE: PINOUT FOR SSOP
SAME FOR PORT 2.
RS-485 MODE WITHOUT LOOPBACK
+3.3V
C₁
0.1µF
C₂
0.1µF
A1
B1
+ _0.1µF
1
+ ^C1+
2
C1-
28
+
C2+
27
C2-
4
5
6
Y1
7
Z1
26
V_CC
R
D
3
V+
+ ^C3
0.1µF
V- ¹⁵
C₄
0.1µF
+
24 _RA1
RXEN1
(QFN ONLY)
25 _RB1
22 _DY1
V_CC
V_CC
23 DE1
8
SEL1
21
LB
20
ON/OFF
GND
14
V_CC
V_CC
NOTE: PINOUT FOR SSOP
SAME FOR PORT 2.
RS-232 MODE WITH LOOPBACK
+3.3V
C₁
0.1µF
C₂
0.1µF
+ _0.1µF
1
+ ^C1+
2
C1-
28
+ ^C2+
27
C2-
26
V_CC
A1
4
R
5kΩ
3
V+
+ ^C3
0.1µF
V- ¹⁵
C₄
0.1µF
+
24
R_A1
B1
5
R
5kΩ
LB
Rx
25
R_B1
6
Y1
22
D
D_Y1
Z1
V_CC
7
D
DEN1
(QFN ONLY)
23
21
LB
8
SEL1
20
ON/OFF
GND
14
D_Z1
GND
V_CC
NOTE: PINOUT FOR SSOP
SAME FOR PORT 2.
RS-485 MODE WITH LOOPBACK
+3.3V
+ _0.1µF
C₁
0.1µF
C₂
0.1µF
1
+ ^C1+
2
C1-
28
+ ^C2+
27
C2-
A1 ⁴
B1 ⁵
26
V_CC
R
3
V+
+ ^C3
0.1µF
V- ¹⁵
24
C₄
0.1µF
+
R_A1
LB
Rx
6
Y1
7
Z1
25
R_B1
D
22 _DY1
V_CC
V_CC
23 DE1
8
SEL1
21
LB
20
ON/OFF
GND
14
GND
V_CC
NOTE: PINOUT FOR SSOP
SAME FOR PORT 2.
6
FN6362.0
May 27, 2008