Datasheet

C2
1
2
3
4
5
6
7
8
D1
D2
V
CC1
GND1
R
RE
DE
D
V
CC2
A
B
GND2
Z
Y
C3
16
14
13
12
11
15
9, 10
OUT
NC
C6
IN
EN
GND
5
1
LDO
1
3
2
C5C4
D1
D2
8
7
6
5
4
3
2
1
C1
X-FMR
ISO3086T
Isolated Supply to
other Components
RS-485 Bus
Interface
Control
Circuitry
ISO3086T
SLLSE27C –JANUARY 2011– REVISED JULY 2011 www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Figure 1. Typical Application Circuit (For Details See SLUU469)
PIN DESCRIPTIONS
NAME PIN No. FUNCTION
D1 1 Transformer Driver Terminal 1, Open Drain Output
D2 2 Transformer Driver Terminal 2, Open Drain Output
GND1 3 Logic-side Ground
V
CC1
4 Logic-side Power Supply
R 5 Receiver Output
RE 6 Receiver Enable Input. This pin has complementary logic.
DE 7 Driver Enable Input
D 8 Driver Input
GND2 9, 15 Bus-side Ground. Both pins are internally connected.
NC 10 No Connect. This pin is not connected to any internal circuitry.
Y 11 Non-inverting Driver Output
Z 12 Inverting Driver Output
B 13 Inverting Receiver Input
A 14 Non-inverting Receiver Input
V
CC2
16 Bus-side Power Supply
2 Copyright © 2011, Texas Instruments Incorporated