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ISO1430DWR 데이터시트(PDF) 30 Page - Texas Instruments

부품명 ISO1430DWR
상세설명  ISO14xx 5kVRMS Isolated RS-485/RS-422 Transceiver With Robust EMC
PDF  49 Pages
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ISO1430DWR 데이터시트(HTML) 30 Page - Texas Instruments

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A
B
A
B
R
RE
DE
D
A
B
A
B
R
RE
DE
D
Integrated isolation barrier allows for communication between
nodes with ground potential differences of up to 1500 V
ISO1410
ISO1410
RT
RT
Figure 10-2. Typical RS-485 Network With Half-Duplex Isolated Transceivers
10.2 Typical Application
Figure 10-3 shows the application circuit of the ISO1410 device.
PSU
TPS76350
1
2
4
3
5
6
7
8
14
13
12
9,15
IN
EN
GND
NC
OUT
1
3
5
4
2
R
VCC1
DE
D
NC
GND1
GND1
RE
NC
B
GND2
4
3
2
6
5
1
A
NC 10,11
7
8
16
VCC2
MCU
GPIO3
GPIO1
VDD
DGND
L1
N
PE
3.3V
0V
Protective
Earth
Chasis
Ground
Digital
Ground
ISO
Ground
Optional bus
protection
Galvanic
Isolation Barrier
ISO1410
SN6505
VCC
D2
D1
GND
CLK
EN
3.3 V
GPIO2
0.1 …F
Figure 10-3. Application Circuit of ISO1410
10.2.1 Design Requirements
Unlike an optocoupler-based solution, which requires several external components to improve performance,
provide bias, or limit current, the ISO14xx devices only require external bypass capacitors to operate.
10.2.2 Detailed Design Procedure
The RS-485 bus is a robust electrical interface suitable for long-distance communications. The RS-485 interface
can be used in a wide range of applications with varying requirements of distance of communication, data rate,
and number of nodes.
ISO1450, ISO1452, ISO1410, ISO1412, ISO1430, ISO1432
SLLSF22H – APRIL 2018 – REVISED JUNE 2024
www.ti.com
30
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Copyright © 2024 Texas Instruments Incorporated
Product Folder Links: ISO1450 ISO1452 ISO1410 ISO1412 ISO1430 ISO1432



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