Murata: new isolated data communication devices

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Murata has announced the NM485D6S5MC and NMTTLD6S5MC low power electrically isolated data communication devices. The new components provide RS485 or TTL interfaces with isolated power and single 5V supply allows function on either side of the isolation boundary. No external components are needed.

NM485D6S5MC is designed for single channel, full duplex, data communication or multipoint bus transmission. It is designed for industrial applications with an operating temperature range from -40 to +85 °C and a tested isolation of 3 kVac RMS.

NMTTLD6S5MC has two transmit and two receive lines for data rates up to 25 Mbps. It is also designed for industrial applications and features an operating temperature range from -40 to +95 °C and a tested isolation of 1500 Vac RMS.

Both devices provide a regulated 5V output for digital circuitry, as well as unregulated ±6V isolated outputs for powering analogue circuitry, A/D or OP-AMPs. Similarly, both devices have ANSI/AAMI ES60601-1, 2 x MOOPs (NMTTL has just one) and 1 x MOPPs safety recognition pending at 250 VAC, offering ease of system approval for medical systems safety approval purposes.

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