Maxim’s new MAX2982 is a broadband, HomePlug 1.0 compliant powerline communications transceiver for harsh industrial environments. An enhanced ‘robust’ mode provides a receiver that operates at -1 dB signal-to-noise ratio to ensure reliable communications in the presence of noise. The device operates from -40°C to +105°C and is qualified under AEC-Q100-Rev-G for harsh applications.
The device is targeted at automation and control, remote monitoring, energy management, wireless base station control and monitoring, and local area networking (LANs).
The IC’s low-latency 333 μs response time and 14 Mbps data rate support high-bandwidth data from large arrays of automated equipment in a single network. With its 512-address bridge table and point-to-multipoint addressing, it records, monitors and controls hundreds of HomePlug modems in a network. Optional firmware delivers additional noise immunity to improve the communication range even further. The 56-bit DES/triple-DES (3DES) encryption with key management ensures secure communication.
A full range of interfaces includes 10/100 Ethernet, UART, USB, JTAG, MII, RMII and high-speed FIFO. Boot code options allow application-specific MAX/PHY profiles, and each profile can be optimised for a variety of parameters. An upgradeable MAC enables application-specific spectral shaping, including bandwidth and notching capabilities. There are 24 general-purpose input/output (GPIO) pins for data handshaking and signalling across a network.
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