SP490CN/TR

更新时间： 2024-09-16 06:13:07

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SP490CN/TR 数据手册

SP490ꢀandꢀSP491

FullꢀDuplexꢀRS-485ꢀTransceivers

FEATURES

• +5V Only

• Low Power BiCMOS

• Driver/Receiver Enable (SP49ꢀ)

• RS-485 and RS-422 Drivers/Receivers

• Pin Compatible with LTC490 and

SN75ꢀ79 (SP490)

• Pin Compatible with LTC49ꢀ and

SN75ꢀ80 (SP49ꢀ)

Now Available in Lead Free Packaging

DESCRIPTION

The SP490 is a low power differential line driver/receiver meeting RS-485 and RS-422

standards up to 5Mbps. The SP491 is identical to the SP490 with the addition of driver and

receiver tri-state enable lines. Both products feature ±200mV receiver input sensitivity, over

wide common mode range. The SP490 is available in 8-pin plastic DIP and 8-pin NSOIC

packages for operation over the commercial and industrial temperature ranges. The SP491

is available in ꢀ4-pin DIP and ꢀ4-pin NSOIC packages for operation over the commercial

and industrial temperature ranges.

BLOCKꢀDIAGRAMS

ꢀ

SP490ꢀ

ꢀ

SP491

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (5ꢀ0)668-70ꢀ7 • www.exar.com

SP490,49ꢀ_ꢀ00_07ꢀ408

ꢀ

12 3 4 5 6 7...12

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型号	品牌	获取价格	描述	数据表
SP490CN-L	SIPEX	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDSO8, LEAD FREE, MO-012AA, SOIC-8
SP490CS	SIPEX	获取价格	Full Duplex RS-485 Transceivers
SP490CS	EXAR	获取价格	Full Duplex RS-485 Transceivers
SP490CS-L	SIPEX	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDIP8, LEAD FREE, PLASTIC, MS-001BA, D
SP490CS-L	EXAR	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDIP8, LEAD FREE, PLASTIC, MS-001BA, D
SP490CT	SIPEX	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO8, PLASTIC, SOIC-8
SP490E	EXAR	获取价格	Enhanced Full Duplex RS-485 Transceivers
SP490E	SIPEX	获取价格	Enhanced Full Duplex RS-485 Transceivers
SP490ECN	SIPEX	获取价格	Enhanced Full Duplex RS-485 Transceivers
SP490ECN/TR	SIPEX	获取价格	Line Driver/Receiver, 1 Driver, BICMOS, PDSO8,