参数资料
型号: IL485E
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: IL485E Circuit
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: 390-1072-5
IL485
Isoloop is a registered trademark of NVE Corporation.
*U.S. Patent number 5,831,426; 6,300,617 and others.
REV. Q
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
Functional Diagram
DE
D
R
RE
ISODE
A
B
IL485
VID (AB)
DE
RE
ISODE
R
D
Mode
≥ 200 mV
L
H
X
Receive
≤200 mV
L
X
Receive
7<V
ID<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
Features
3.3 V Input Supply Compatible
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 IL485 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
IL485 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 IL485 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 IL485 is ideal
for PROFIBUS applications.
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