LTC1484IS8

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LTC1484IS8

+BOM

RS-485 Interface IC LTC1484 - Low Power RS485 Transceiver with Receiver Fail-Safe

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  • 데이터시트 LTC1484IS8 DataSheet

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365 1일 품질 보증

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90-판매 후 1일 보증

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사양

속성 가치

개요

Description

The LTC1484IS8 is an integrated circuit designed by Linear Technology, now part of Analog Devices. It is a low-power, half-duplex RS-485 transceiver, which means it facilitates communication over a single pair of wires, allowing for data transmission in both directions but not simultaneously. This IC is suitable for data communication applications that require balanced transmission lines, typically found in industrial and commercial environments.
Key features include:
1. Low Power Consumption: It operates with minimal power usage, making it ideal for battery-powered devices.
2. Wide Voltage Range: Supports a broad voltage supply range, enhancing its versatility.
3. High Speed: Capable of data rates up to 250 kbps.
4. Robust Design: Built to withstand harsh conditions with features like thermal shutdown and overcurrent protection.
5. 8-Pin SO Package: Compact form factor for easy integration into various circuit designs.
The LTC1484IS8 is a reliable choice for applications requiring efficient, low-power RS-485 communication solutions.

Equivalent

The LTC1484IS8 is a low power RS-485/RS-422 transceiver. Equivalent products include:
1. MAX485 from Maxim Integrated.
2. SN75176A from Texas Instruments.
3. SP485EN from Exar Corporation.
4. ADM485 from Analog Devices.
5. AM26LV31E from Texas Instruments.
Ensure specifications like voltage, speed, and packaging match your requirements when selecting an equivalent.

Features

The LTC1484IS8 is a low-power RS-485/RS-422 transceiver designed for data communication over long distances and in electrically noisy environments. Key features include:
1. Low Power Consumption: It is optimized for low power usage, making it suitable for battery-powered and energy-efficient applications.
2. Wide Supply Voltage Range: Operates at a wide supply voltage range, typically from 4.75V to 5.25V.
3. High ESD Protection: Provides robust electrostatic discharge (ESD) protection, enhancing reliability in harsh conditions.
4. Full Duplex Communication: Supports full duplex operation, allowing simultaneous two-way communication.
5. Extended Temperature Range: Designed to operate effectively over a broad temperature range, suitable for industrial applications.
6. Fail-Safe Operation: Includes a fail-safe feature that ensures the receiver outputs a known state when inputs are open, shorted, or terminated.
7. Driver/Receiver Enable Pins: Equipped with enable pins for both the driver and receiver, offering flexibility in control and power management.
8. RoHS Compliant: Conforms to Restriction of Hazardous Substances (RoHS) guidelines, ensuring environmentally friendly design.
These features make the LTC1484IS8 ideal for industrial automation, telecommunications, and other applications requiring reliable data transmission.

Pinout

The LTC1484IS8 is an integrated circuit used for RS-485 and RS-422 communication. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here’s a brief overview of its pin functions:
1. RO (Pin 1): Receiver Output - Outputs the data received.
2. RE̅ (Pin 2): Receiver Enable - Active low; enables the receiver when low.
3. DE (Pin 3): Driver Enable - Activates the driver when high.
4. DI (Pin 4): Driver Input - Data input for the driver.
5. GND (Pin 5): Ground - Reference point for the IC.
6. A (Pin 6): Non-inverting Driver Output/Receiver Input.
7. B (Pin 7): Inverting Driver Output/Receiver Input.
8. VCC (Pin 8): Positive Supply Voltage - Powers the IC.
The LTC1484 is designed for low power consumption and operates with a single supply voltage. It's typically used in applications requiring data transmission over long distances, providing differential signaling to improve noise immunity.

Manufacturer

The LTC1484IS8 is manufactured by Linear Technology Corporation, which is now a part of Analog Devices, Inc. Linear Technology was known for designing, manufacturing, and marketing a broad line of high-performance analog integrated circuits. In 2017, Linear Technology was acquired by Analog Devices, a company that specializes in the design and manufacturing of a wide range of semiconductor products for use in analog and digital signal processing. Analog Devices serves various industries including industrial, automotive, communications, and consumer electronics, providing components used in applications ranging from data conversion and signal conditioning to power management and system integration.

Application

The LTC1484IS8 is a low power RS-485 transceiver commonly used in networking and communication applications. It is suitable for systems requiring reliable data transmission over long distances and in electrically noisy environments. Key application areas include industrial process control, building automation, security systems, and data acquisition systems. Its low power design makes it ideal for battery-powered devices and remote sensing applications. Additionally, the device supports half-duplex communication, which is useful in applications where bidirectional communication over a single line is needed. Its robust design allows it to operate efficiently in harsh industrial environments, making it a versatile choice for various industrial and commercial communication needs.

Package

The LTC1484IS8 is a line transceiver IC from Linear Technology (now part of Analog Devices) and comes in an 8-lead SOIC (Small Outline Integrated Circuit) package type.

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