High-Voltage Quad Differential Line Drivers

Source: Avago Technologies

Avago Technologies introduces three new high-voltage line drivers that augment its offerings for the industrial automation market. The AEIC-7272, AEIC-7273 and AEIC-2631 quad differential line drivers provide the additional supply voltage required for industrial applications, up to 30V. With integrated current limiting and thermal shutdown features, the line drivers protect against shorts to assure highly-reliable operation in harsh environments for industrial encoder and sensor interfaces, industrial programmable logic controllers and servo drive applications.

Details

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•Datasheet: Quad Differential Line Driver: AEIC-7272-S16
•Datasheet: Quad Differential Line Driver: AEIC-7273-S16
•Datasheet: Quad Differential Line Driver: AEIC-2631-S16

The new Avago line drivers are designed to meet industrial standards for encoder applications. They offer a robust operating temperature range from -55° to 125° C for the AEIC-7272 and AEIC-7273 devices and -40° to 125°C for the AEIC-2631 device. They are all available in industrial standard line driver SOIC packaging. Offering high-impedance buffered inputs with hysteresis, the line drivers provide strong noise margin even in noisy industrial control environments.

"These new high-performance line drivers improve drivability and assurance of power supply, with the durability required for rigorous industrial environments," said Hassan Hussain, general manager of the Motion Control Products Division at Avago. "Avago can now serve as a one-stop shop for complete encoder solutions, providing customers the best possible value by offering the line drivers with our market-leading portfolio of motion control encoders and decoders for industrial automation applications."

The AEIC-2631 device operates in a wide supply voltage range of 4.75V to 30V and features Tri-State outputs. The AEIC-7272 device features Tri-State outputs and the AEIC-7273 device features NPN Open-Collector outputs, and each operates from 3.5V to 30V. The line drivers' thermal shutdown feature is accomplished by monitoring junction temperature and comparing this to a band gap reference on-chip.

Additional AEIC-7272, AEIC-7273 and AEIC-2631 Line Driver Features

Operation to 800 KHz
CMOS and TTL compatible inputs
Support RS-422A
Lead-free, 16-pin SOIC package

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