LTC1483IS8#PBF

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The LTC1483IS8#PBF is a high-performance, monolithic, differential line transceiver with a unidirectional, non-isolated, current-loop interface. Used for either transmission or reception of asynchronous, serial data streams,this transceiver operates with a single +5V power supply and features an onboard clock driver / receiver, which can drive/receive clock signals of up to 12 MHz. This device is particularly suitable for applications where long cables, telephone lines, or other long wiring runs are used to connect two or more points. The transceiver is compatible with the industry standard 8-bit RS232C and CCITT V.11 protocols.

Application fields

The LTC1483IS8#PBF transceiver is commonly used in a wide variety of communication systems including point-to-point, multipoint, and data networks. Specifically, this device is used in industrial control and multi-drop systems, such as remote telemetry, data acquisition and remote access systems. Additionally, the transceiver is used in LANs where RS232C communications are required (e.g. Ethernet).

Working Principle

The LTC1483IS8#PBF transceiver has a single transmitter and a single receiver that provide serial asynchronous data communication. It also has an onboard clock driver / receiver to drive / receive clock signals up to 12 MHz. Both the transmitter and receiver have differential inputs/outputs and are designed for either voltage or current-mode operation. For voltage-mode operation, both the transmitter and receiver are driven by external logic circuits or can be driven directly by a processor or a microcontroller. For current-mode operation, the transmitter and receiver are compatible with the industry-standard 8-bit RS232C and CCITT V.11 protocols.

The transmitter and receiver are designed for either three-state output operation or continuous output operation. In three-state output mode, the output is enabled by logic input and the output goes to a high-impedance state when disabled. In continuous output mode, the driver operates in a low-impedance state, independent of the logic input. The driver can be disabled through the logic input.

The device is equipped with two independent receivers, A and B, that can operate simultaneously. Both receivers feature automatic data detection and selection, and are designed to operate in either digital or analog mode. In digital mode, the receiver is designed to detect digital signals, while in analog mode it is designed to detect analog signals. For analog operation, the receiver has a wide input sensitivity range and can detect signals up to 15V.

The LTC1483IS8#PBF transceiver also features an ESD (ElectroStatic Discharge) protection that protects the receiver from voltage spikes and allows for safe communications over long distances. The device also features an integrated voltage regulator, enabling operation from a single +5V power supply. The device is designed to be robust and reliable, with minimal jitter and low power consumption.

Overall, the LTC1483IS8#PBF transceiver is an ideal solution for applications requiring the transmission and reception of asynchronous serial data, and the device can be used in both voltage and current-mode operation, making it suitable for a variety of applications. Its usage in industrial control and multi-drop systems makes it a popular device among system designers.

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