DS36C278M

The DS36C278M RS-485 transceiver, characterized by its 100% RS-485 compliance and versatile features, stands as a reliable solution for industrial communication systems. With a low power CMOS design, glitch-free power circuitry, and a wide common mode range, it ensures efficient and energy-conscious operation in diverse industrial environments. The transceiver's thermal shutdown circuitry and ESD protection exceeding 2 kV enhance its robustness and reliability. Offering flexibility with PDIP and SOIC packages, as well as two unit load options, it accommodates various design requirements. As a drop-in replacement for popular models, including LTC485, MAX485, DS75176, and DS3695, the DS36C278M provides a seamless upgrade for enhanced performance in applications requiring stable and resilient data transmission.

The DS36C278 is a low power differential bus/line transceiver designed to meet the requirements of RS-485 standard for multipoint data transmission. In addition it is compatible with TIA/EIA-422-B.

The CMOS design offers significant power savings over its bipolar and ALS counterparts withoutsacrificing ruggedness against ESD damage. The device is ideal for use in battery powered or power conscious applications. ICC is specified at 500 μA maximum.

The driver and receiver outputs feature TRI-STATEcapability. The driver outputs operate over the entire common mode range of −7V to +12V. Bus contention or fault situations that cause excessive power dissipation within the device are handled by a thermal shutdown circuit, which forces the driver outputs into the high impedance state.

The receiver incorporates a fail safe circuit which guarantees a high output state when the inputs are left open.

The DS36C278T is fully specified over the industrial temperature range (−40°C to +85°C).

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