Isolated RS485 & RS232 uModule transceivers target military and automotive applications
The LTM2881 single RS485 and LTM2882 dual RS232 transceivers break ground loops by isolating the logic level interface and line transceiver using internal inductive signal isolation . This allows for a much larger common- mode voltage range plus superior common mode rejection >30 kV/us. A low EMI, 1 W DC/DC converter generates the power supplies for driving RS485 or RS232 levels and provides an additional isolated 5 V supply output for powering any supporting external components.
With 2,500 V RMS of galvanic isolation, onboard secondary power, and fully compliant transmitters and receivers, the LTM2881 and LTM2882 require no external components, providing complete, compact µModule solutions for isolated serial data communications. The H- and MP-grade versions are guaranteed over operating ambient temperatures from -40 to 105°C and -55 to 105°C, respectively.
More information about Linear Technology's military grade flow at www.linear.com/docs/Quality/mpgrade.pdf
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