LTC1519CS#TRPBF

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Introduction

The LTC1519CS#TRPBF is an integrated circuit from Linear Technology Corporation\'s catalogue of drivers, receivers, transceivers, and interfaces. It is a self-powered low-power, wide-temperature range, serial transceiver with programmable voltage levels. The LTC1519CS#TRPBF is designed to support data rates up to 400 Mbps and support low-level downstream channels as well as upstream channels.

Application Field

The LTC1519CS#TRPBF is suitable for various applications in the market where two-way information exchange is required with lower power and better accuracy. Its wide temperature range and programmable voltage levels enable it to be used in environments like Factory Automation, Telemetry, Medical Devices, Robotics, Automotive. It is also suitable for use in Home Automation, Industrial Control Systems, Medical Equipment, and Wireless Sensor Networks.

Working Principle

The LTC1519CS#TRPBF is powered by two 85V external power supplies and contains an internal voltage regulator. The Operating Voltage Range is from 10V to 30V. The device generates an internal VPP, which is used for providing a programmable voltage for the downstream channels. The device features a differential bus for the upstream and downstream data and clock signals. The internal circuitry of the device is also optimized to reduce power consumption.

The device is designed with a Enhanced Control Register system, which can be used to program most of the operation parameters such as various voltage levels and timing delays. This enhanced control register system allows users to customize the device as per their requirements. The LTC1519CS#TRPBF also supports Low Level Output, which is suitable for low-level digital communication applications. The device is also equipped with an integrated error-detection circuit which detects single-bit, double-bit or optional random errors in the received data and flags them with error-status signals.

The device is designed with three bidirectional data channels so that both upstream and downstream channels can transfer data simultaneously. The options are provided to program the data rate per channel, synchronization and desynchronization of the chips, and under-voltage detection. It also supports data retransmission and provides CRC/checksum error detection with optional reporting.

To enable two-way communication, the LTC1519CS#TRPBF feature two independent differential data receivers and two transmitters with programmable current limit and over-current protection, along with start/stop bit detection on both receive and transmit paths. The receiver features a receive data detect (Rx DD) pin, which toggles from logic 0 to logic 1 after a full data package is received and accepted. The device also features a Transmit Enable pin and an Autorepeat Transmit pin which allow for automatic transmission of data packages based on the input conditions. It features three termination mode options (standard, adjustable or adaptive) to optimize termination levels for ground-based, single-ended and transmission line systems.

The LTC1519CS#TRPBF also features a low-power sleep mode called the “Power Save” mode, which allows the user to power down the device when not in use, while providing rapid recovery time. The device is also capable of automatically turning its internal voltage regulator on or off, enabling energy saving and system longevity.

It is also available in a small, 8-pin SOIC package which can be used on PCBs with tight space requirements. The package also features two integrated voltage regulators and an input-output isolator. It is suitable for use in space-constrained applications such as in handheld devices.

Conclusion

The LTC1519CS#TRPBF is an integrated circuit from the Linear Technology Corporation\'s line of drivers, receivers, transceivers, and interfaces. It is suitable for various applications where two-way information exchange is required with lower power and better accuracy, with its low-power, wide temperature range and programmable voltage levels. The device is designed with three bidirectional data channels, an enhanced control register system, an integrated error-detection circuit, various termination options, and can be used with tight space requirements.

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