ISL81387 Datasheet, PDF (6/27 Pages) Intersil Corporation – ±15kV ESD Protected, Dual Protocol (RS-232/RS-485) Transceivers

ISL81387, ISL41387
/
Typical Operating Circuit
RS-232 MODE WITHOUT LOOPBACK
+5V
C₁
0.1µF
C₂
0.1µF
+ _0.1µF
1
+
C1+
2
C1-
20
+
C2+
19
C2-
18
V_CC
4
A
R
5kΩ
5
B
R
5kΩ
3
V+
+ ^C3
0.1µF
V- ¹¹
17
C₄
0.1µF
+
R_A
16
R_B
Y
Z
V_CC
6
15
D
D_Y
7
9
DEN
8
485/232
14
D
GND
10
12
RXEN
13
ON
D_Z
V_CC
V_CC
NOTE: PINOUT FOR SOIC AND SSOP
RS-485 MODE WITHOUT LOOPBACK
+5V
C₁
0.1µF
C₂
0.1µF
A
B
+ _0.1µF
1
+
C1+
2
C1-
20
+
C2+
19
C2-
4
5
6
Y
7
Z
18
V_CC
R
D
3
V+
+ ^C3
0.1µF
V- ¹¹
17
C₄
0.1µF
+
R_A
16
R_B
15 _DY
V_CC
V_CC
9
DEN
8
485/232
GND
10
14
12
RXEN
13
ON
SLEW
V_CC
V_CC
NOTE: PINOUT FOR SOIC AND SSOP
RS-232 MODE WITH LOOPBACK
+5V
+ _0.1µF
C₁
0.1µF
C₂
0.1µF
1
+
C1+
2
C1-
20
+
C2+
19
C2-
4
A1
5kΩ
18
V_CC
R
3
V+
+ ^C3
0.1µF
V- ¹¹
C₄
0.1µF
+
17
R_A
B1
5
R
5kΩ
LB
Rx
6
Y
D
16 _RB
15
D_Y
Z
V_CC
7
9
DEN
8
485/232
D
GND
10
14
12
RXEN
13
ON
D_Z
V_CC
NOTE: PINOUT FOR SOIC AND SSOP
RS-485 MODE WITH LOOPBACK
+5V
+ _0.1µF
C₁
0.1µF
C₂
0.1µF
1
+
C1+
2
C1-
20
+
C2+
19
C2-
A4
B5
18
V_CC
R
3
V+
+ ^C3
0.1µF
V- ¹¹
17
C₄
0.1µF
+
R_A
Y
Z
V_CC
V_CC
LB
Rx
16
6
R_B
7
D
15 _DY
9
DEN
8
485/232
GND
10
14
12
RXEN
13
ON
SLEW
V_CC
NOTE: PINOUT FOR SOIC AND SSOP
6
FN6201.1
December 20, 2005