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SP1486E

更新时间： 2024-11-11 03:31:27

品牌	Logo	应用领域
西伯斯 - SIPEX		/
页数	文件大小	规格书
15页	711K
描述
+5V, 20Mbps PROFIBUS RS485/RS422 Transceivers Advanced Failsafe, 1/8th Unit Load, 【15kV ESD-Protected

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中文翻译

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SP1486E 数据手册

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SP1486E

+5V, 20Mbps PROFIBUS RS485/RS422 Transceivers

Advanced Failsafe, 1/8th Unit Load, ±15kV ESD-Protected

+5V

FEATURES

• Recommended for PROFIBUS applications

• High differential output drive,

minimum 2.1V into 54Ω load

• 5.0V Single Supply Operation

• ꢀns driver and reveiver skew

• 20 Mbps data rate

• ꢀ/8th Unit Load, 256 transceivers on bus

• Robust ESD Protection for RS485 pins

• ±15kV Air-Gap Discharge

100nF

V_CC

• ±15kV Human Body Model

• ±8kV Contact Discharge

GND

• Hot Swap glitch protection on control inputs

• Receiver failsafe on open, short

or terminated lines

• Driver short circuit current limit and

thermal shutdown for overload protection

• Very low 300μA static power consumption

• 1μA shutdown mode

SP1486E

APPLICATIONS

• High Speed RS485 Communications

• Industrial Process Control

• PROFIBUS applications

DESCRIPTION

SPꢀ486E is a half duplex differential line transceiver suitable for high speed bidirectional commu-

nication on multipoint bus transmission lines. Each device contains one differential driver and one

differential receiver. Devices comply with TIA/EIA-485 and TIA/EIA-422 standards and also meet the

higher drive and tighter skew requirements of PROFIBUS applications. Lead-free and RoHS compli-

ant packages are available for all models.

PROFIBUS is in wide use in industrial control and automation applications and the SPꢀ486E is

ruggedized for use in harsh operating conditions. Receivers are specially designed to fail-safe to a

logic high output state if the inputs are left un-driven or shorted. All RS485 bus-pins are protected

against severe ESD events up to ±15kV (Air-Gap and Human Body Model) and up to ±8kV Contact

Discharge (IEC 1000-4-2). Drivers are protected from excess current ﬂow caused by bus contention

or output short-circuits by both an internal current limit and a thermal-overload shutdown. Devices

are rated for Industrial (-40 to +85ºC) or Extended (-40 to +125ºC) operating temperatures. Receiv-

ers have exceptionally high input impedance, which places only ꢀ/8th the standard load on a shared

bus. Up to 256 transceivers may coexist while preserving full signal margin.

All devices operate from a single 5.0 V power supply and draw negligible quiescent power. Both

driver and receiver can be enabled and disabled independently and the device enters a low power

shutdown mode if both driver and receiver are disabled. The bus-pin outputs of disabled modules are

in high impedance state. The high impedance driver output is maintained over the entire common-

mode voltage range from -7 to +ꢀ2V.

Rev J 3/8/2007

SPꢀ486E PROFIBUS/RS485 Transceivers

ꢀ

12 3 4 5 6 7...15

中文翻译

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与SP1486E相关器件

型号	品牌	获取价格	描述	数据表
SP1486EEN	EXAR	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, PDSO8, NSOIC-8
SP1486EEN/TR	EXAR	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, PDSO8, NSOIC-8
SP1486EEN-L	SIPEX	获取价格	+5V, 20Mbps PROFIBUS RS485/RS422 Transceivers
SP1486EEN-L	EXAR	获取价格	+5V, 20Mbps PROFIBUS RS485/RS422 Transceivers
SP1486EEN-L/TR	EXAR	获取价格	+5V, 20Mbps PROFIBUS RS485/RS422 Transceivers
SP1486EMN	EXAR	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, PDSO8, NSOIC-8
SP1486EMN/TR	EXAR	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, PDSO8, NSOIC-8
SP1486EMN-L	SIPEX	获取价格	+5V, 20Mbps PROFIBUS RS485/RS422 Transceivers
SP1486EMN-L/TR	EXAR	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, PDSO8, ROHS COMPLIANT, NSOIC-8
SP1490		获取价格	Telephony / CATV Uninterruptible Power Supply

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