Reducing circuit board consumption by up to 66% compared to the previous generation, the AMIS-49250 Media Attachment Unit (MAU) joins a line of processing automation transceivers for use in safety-critical applications such as oil refineries, chemical processing, and water treatment plants. The AMIS-49250 MAU is a derivative of the AMIS-49200, which was designed to replace the out-of-production Yokogawa µSAA22Q MAU device. For new designs that cannot accommodate the PCB space required by the µSAA22Q (or AMIS-49200), but require the same functionality, the AMIS-49250 comes in a small, 44-lead NQFP (7x7) package. Similar to the AMIS-49200, the AMIS-49250 complies with the specifications of the IEC-61158-2, H1 (ISA-SP50.02-1992), and EN 50170 physical layer standard, including Foundation Fieldbus H1 and Profibus PA protocols. The device is a physical interface between the bus wiring and the actual measurement device targeting industrial process automation applications, specifically Foundation Fieldbus H1 devices Type 111 and Type 112 per Foundation Fieldbus Specification FF-816 (31.25 kbit/s Physical Layer Profile). Typical applications include closed-loop continuous control, batch sequencing, high-speed process automation, information integration, recipe management, data gathering, legacy system integration, and network integration. The AMIS-49250 is available through local distribution and costs about $13.78 each in lots of 500. ON SEMICONDUCTOR, Phoenix, AZ. (888) 743-7826.
Company: ON SEMICONDUCTOR
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