RS485/422

Exar has a diverse portfolio of RS-485/RS-422 serial transceivers with wide supply voltage operation between 2.8V to 5.5V. Products range from industry-standard transceivers to ultra-high speed, 52Mbps and high differential output transceivers. In addition, Exar has RS-485/RS-422 transceivers that are compliant with popular field buses including PROFIBUS. Advanced features, like hot swap, enhanced fail safe and 15kV ESD protection, ensure reliable and robust data communication over long cable lengths. Several transceivers feature a low voltage logic interface pin that allows system designers to interface directly with 1.8V devices without the need for external components, saving design time and board space. The XR33x5x family of high performance RS-485/RS-422 transceivers are designed for improved performance in noisy industrial environments and increase tolerance to system faults. The analog bus pins can withstand direct shorts up to ±60V and are protected against ESD events up to ±15kV HBM. Multipoint applications over long cable runs will benefit from the extended ±25V common mode voltage range of these transceivers.

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