具有隔离功能， 256 节点，全双工 RS422/RS485 芯片

SIT3491ISO是一款电容隔离的全双工RS-422/485收发器，总线端口ESD保护能力HBM达到15kV以上，功能完全满足EIA-422以及TIA/EIA-485标准要求的RS-422/485收发器。SIT3491ISO包括一个驱动器和一个接收器，两者均可独立使能与关闭。当两者均禁用时，驱动器与接收器均输出高阻态。SIT3491ISO具有1/8负载，允许256个SIT3491ISO收发器并接在同一通信总线上。可实现16Mbps以上的无差错数据传输。SIT3491ISO具备失效安全（fail-safe）、限流保护、过压保护和过热保护等功能。

SIT

赛特时脉

3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate

文件：124.83 Kbytes 页数：11 Pages

Sipex

3.3V Low Power Full-Duplex RS-485 Transceivers with 10Mbps Data Rate

Description The SP3490 and SP3491 devices are 3.3V low power full-duplex transceivers that meet the specifications of the RS-485 and RS-422 serial protocols. These devices are pin-to-pin compatible with the MaxLinear SP490 and SP491 devices as well as popular industry standards. The SP3490 and SP

文件：776.08 Kbytes 页数：12 Pages

EXAR

艾科嘉

3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate

文件：141.31 Kbytes 页数：11 Pages

Sipex