EE Product News

Transceivers Extend Distance, Data Rate

The MAX3291/MAX3292 RS-485/422 transceivers feature driver pre-emphasis circuits that increase the maximum distance and data rate for reliable communications by reducing inter-symbol interference, a form of data-dependent timing jitter caused by cable parasitics. Typically, pre-emphasis allows double the data rate at a given distance or double the distance at a given data rate compared to conventional transceivers. This increased performance eliminates the need for additional transceivers (repeaters) in systems with long distance or high-speed requirements. The MAX3291 is optimized for data rates of 5 to 10 Mbps, while the MAX3292 is programmable for data rates up to 10 Mbps using a single external resistor. Both devices are pin-compatible upgrades to industry-standard '75180, '489, '491, '3080, '3083, '3086 or '1482 devices.

Company: MAXIM INTEGRATED PRODUCTS INC.

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