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| 型号： | IL485WE |
| 厂商： | NVE Corp/Isolation Products |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | ISOLATOR HS MAG DGTL 16-SOIC-W |
| 产品培训模块： | IsoLoop® Isolator |
| 产品目录绘图： | IL485WE Circuit |
| 特色产品： | Wide-Body SOIC-16 Isolators |
| 标准包装： | 50 |
| 系列： | IsoLoop® |
| 类型： | 收发器，隔离式 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS485 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 2771 (CN2011-ZH PDF) |
| 其它名称： | 390-1073-5 |
IL485W
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
2008 NVE Corporation
Isolated RS485 Interface With Handshake
Functional Diagram
ISODE
A
B
IN
1
DE
D
R
RE
OUT
1
IL485W
VID (A–B)
DE
RE
ISODE
R
D
Mode
≥ 200 mV
L
H
X
Receive
≤200 mV
L
X
Receive
7<V
I<12
X
H
X
Z
X
Receive/Drive
≥ 1.5 V
H
L
H
Drive
≤1.5 V
H
L
H
L
Drive
Open
L
H
X
Indeterminate
H = High Level, L = Low Level
X = Irrelevant, Z = High Impedance
RE
IN1
OUT1
L
H
X
Z
Features
2500 V
RMS Isolation (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
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
UL1577 and IEC 61010-2001 Approval
Applications
Profibus/RS485 Systems
Multiple Data Point Transmission
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.
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.
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.
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