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Linear Technology introduces transceiver for applications such as point-of-sale terminals

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By Linear Technology now part of Analog Devices on 14th August 201215th December 2015

Product Details Supplier Info More products

The LTC2872 from Linear Technology is a multi-protocol transceiver with switchable integrated termination for 3.3V and 5V systems. It is suitable for applications such as software-selectable multi-protocol interface ports, point-of-sale terminals, security cameras, cable repeaters and protocol translators.

The transceiver integrates pin-controlled termination resistors to aid interface recognition, eliminating external resistors and control relays and minimising signal reflections.

The termination resistors, when enabled, are automatically switched in or out to match the transceiver’s protocol selection of RS232 or RS485.

The LTC2872 can be configured as four RS232 single-ended transceivers or two RS485 differential transceivers, or combinations of both, on shared I/O lines.

Click here to download the data sheet.

Key features and specifications

High ESD protection — ±16kV HBM on the transceiver bus pins, when powered off or operating
Multiple configuration possibilities to reduce component count for multi-protocol networks
Optional 1.7V to 5.5V logic supply to enable convenient digital interfacing
Integrated DC/DC boost converter to eliminate need for multiple supplies to drive RS232 levels
Independently disabled drivers and receivers, in a high-impedance state consuming 9µA in a low power shutdown mode
Half- and full-duplex RS485 switching
Logic loop-back mode to steer the driver inputs to the receiver outputs for diagnostic self-test and debug
ESD of ±4kV or better on all pins
Thermal shutdown protection
Full failsafe RS485 receiver for floating, shorted or terminated inputs
38-pin 5 x 7mm QFN packages

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More information

Linear Technology now part of Analog Devices

Analog Devices (NASDAQ: ADI) is the leading global high-performance analog technology company dedicated to solving the toughest engineering challenges.

Contact Supplier Visit our website 01628 477066

About Analog Devices
Analog Devices (NASDAQ: ADI) is the leading global high-performance analog technology company dedicated to solving the toughest engineering challenges. We enable our customers to interpret the world around us by intelligently bridging the physical and digital with unmatched technologies that sense, measure, power, connect and interpret. Visit http://www.analog.com

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