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ETC - Isolated RS485 Interface with Handshake

Numéro de référence IL485W
Description Isolated RS485 Interface with Handshake
Fabricant ETC 
Logo ETC 





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IL485W fiche technique
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Isolated RS485 Interface with
Handshake
IL485W
Function Table
The IL485W is a
galvanically isolated, high-
VID
speed differential bus
transceiver, designed for
bi-directional
data
(A-B)
0.2V
DE RE ISODE R
L LL
H
communication
on
balanced transmission
-0.2V
L LL
L
lines. The IL485W uses
patented
IsoLoop®
-7<VID<12 X
H
X
Z
technology and is the first
isolated RS-485 interface
available in a standard 16
1.5
HL H
H
pin SOIC package, which
meets the ANSI Standards
EIA/TIA-422-B
and
-1.5
Open
HL H
L LL
L
H
RS485.
H = High Level
The IL485W has current limiting and thermal shutdown features to
protect against output short circuits and bus contention situations where
these may cause excessive power dissipation.
L = Low Level
X = Irrelevant
With a 1 nsec pulse skew and 16 nsec propagation delay, the IL485W is
ideal for PROFIBUS applications. Use of DE/ISODE and IN1/OUT1
allows the IL485W to perform the handshaking operations of RTSAS
and DTSAS of PROFIBUS.
Z = High Impedance
2500 Vrms Isolation (1 min)
25 ns Maximum Propagation Delay
35 MBaud Data Rate
1 ns Pulse Skew (typ.)
Designed for Multi-point Transmission on Long Bus
Lines in Noisy Environments
±60 mA Driver Output Capability
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Thermal Shutdown Protection
Meets or Exceeds ANSI RS-485 and ISO 8482:1987 (E)
-40°C to +85°C Temperature Range
16 Pin SOIC Package
PROFIBUS International Component Recognition
UL1577 Approval (pending)
IEC 61010-1 Approval (pending)
Applications
PROFIBUS/RS485
RS-485 Systems
Multiple Data Point Transmission
PROFIBUS Fault Interrogation
D MODE
X Receive
X Receive
X Receive/
Drive
H Drive
L Drive
X Receive
Dimensions in mm
Functional Diagram (IL485W)
DataShee
DataSheet4U.com
Rhopoint Components Ltd
Tel: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255
Germany: +49 (0) 692 199 8606 Fax: +49 (0) 692 199 8595
Email: [email protected] Website: www.rhopointcomponents.com

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