Datasheet > IL485W

IL485W

更新时间： 2024-09-13 05:39:11

品牌	Logo	应用领域
RHOPOINT		/
页数	文件大小	规格书
9页	162K
描述
Isolated RS485 Interface With Handshake

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IL485W 数据手册

IL485W

Isolated RS485 Interface With Handshake

Functional Diagram

Features

• 2500 V_RMSIsolation (1 min.)

• 25 ns Maximum Propagation Delay

• 35 Mbps Data Rate

• 1 ns Pulse Skew (typ.)

• Designed for Multi-point Transmission

on Long Bus Lines in Noisy Environments

• ±60 mA Driver Output Capability

ISODE

• Thermal Shutdown Protection

• Meets or Exceeds ANSI RS-485 and ISO 8482:1987(E)

• −40°C to +85°C Temperature Range

• PROFIBUS International Component Recognition

• 16-Pin SOIC Package

IN₁

OUT₁

• UL1577 and IEC 61010-2001 Approval

IL485W

Applications

• Profibus/RS485 Systems

• Multiple Data Point Transmission

V_ID(A–B)

≥ 200 mV

≤−200 mV

−7<V_I<12

≥ 1.5 V

RE ISODE

Mode

Receive

Receive/Drive

Drive

Description

The IL485W is a galvanically isolated, high-speed differential bus

transceiver, designed for bidirectional data communication on

balanced transmission lines. The devices use NVE’s patented*

IsoLoop spintronic Giant Magnetoresistance (GMR) technology. The

IL485W is the first isolated RS-485 interface in a standard 16-pin

SOIC package that meets the ANSI Standards EIA/TIA-422-B and

RS-485 and is compatible with 3.3V input supplies.

≤−1.5 V

Open

Drive

Indeterminate

H = High Level, L = Low Level

X = Irrelevant, Z = High Impedance

The IL485W has current limiting and thermal shutdown features to

protect against output short circuits and bus contention situations that

could cause excessive power dissipation.

IN1

OUT1

With 1 ns pulse skew and 16 ns propagation delay, the IL485W is

ideal for PROFIBUS applications.

DE/ISODE and IN1/OUT1 allow isolated RTSAS and DTSAS

handshaking.

Isoloop is a registered trademark of NVE Corporation.

*U.S. Patent number 5,831,426; 6,300,617 and others.

REV. N

NVE Corporation 11409 Valley View Road, Eden Prairie, MN 55344-3617 Phone: (952) 829-9217 Fax: (952) 829-9189 www.IsoLoop.com

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