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LTC1484IS8

Name: LTC1484IS8
Rating: 4.7 (12 reviews)

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

Производитель
Мфр. Часть #LTC1484IS8
Пакет
Лист данных LTC1484IS8 DataSheet
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Спецификации

Обзор

Description

The LTC1484IS8 is a low-power, high-speed RS-485/RS-422 transceiver designed by Analog Devices. It facilitates differential signaling for robust data transmission over long distances, making it ideal for industrial applications, communication networks, and other environments prone to electrical noise. The chip supports data rates up to 2.5 Mbps and operates over a wide voltage range (typically +3.3V to +5V), enhancing its versatility in various systems.
Key features include a low power consumption of 300 µA in standby mode, thermal shutdown protection, and a wide common-mode input voltage range, allowing it to maintain signal integrity in challenging conditions. The LTC1484IS8 supports multi-point communication, enabling multiple devices to communicate on the same bus, which is essential for many applications. Its 8-pin package facilitates easy integration into electronic designs. Overall, the LTC1484IS8 is a reliable choice for engineers seeking efficient and robust data transmission solutions in noisy environments.

Features

The LTC1484IS8 is a low-power, high-speed RS-485/RS-422 transceiver designed for differential signaling applications. Key features include:
1. Data Rate: Supports data rates up to 2.5 Mbps, enabling fast communication.

2. Power Supply: Operates from a single +5V supply, making it suitable for various applications.

3. Low Power: Consumes only 120 mW in normal operation, with a low-power mode reducing consumption to 50 µA.
4. Line Drivers: Features 1/4 unit load, allowing up to 32 transceivers on the bus.
5. Extended Temperature Range: Supports -40°C to +85°C for industrial applications.
6. Fail-Safe Design: Provides fail-safe operation for open, shorted, or terminated lines.
7. High Common Mode Range: Allows for robust operation in noisy environments, with a common mode range of -7V to +12V.
These features make the LTC1484IS8 suitable for various communication systems, including industrial and automotive applications.

Package

The LTC1484IS8 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package.

Pinout

The LTC1484IS8 is an RS-485/RS-422 transceiver with a pin count of 8. It is designed for differential signaling in multi-point communication systems.
Pin Functions:
1. A (Pin 1): Non-inverting differential output.
2. B (Pin 2): Inverting differential output.
3. RO (Pin 3): Receiver output; indicates received data.
4. RE (Pin 4): Receiver enable; active low.
5. DE (Pin 5): Driver enable; active high.
6. DI (Pin 6): Data input; for driver.
7. GND (Pin 7): Ground reference.
8. VCC (Pin 8): Supply voltage (typically +5V).
The LTC1484IS8 supports data rates up to 2.5 Mbps and operates over a wide voltage range, making it suitable for various applications in industrial and telecommunications systems.

Manufacturer

The LTC1484IS8 is manufactured by Analog Devices, Inc., a prominent company in the semiconductor industry. Analog Devices specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is well-known for its innovative solutions in various applications, including communications, automotive, industrial, healthcare, and consumer electronics. Their products are widely used in systems that require high precision and reliability, making them a key player in the technology sector.

Application

The LTC1484IS8 is a low-power, high-speed RS-485/RS-422 transceiver used in various applications, including industrial automation, data acquisition systems, remote control, and communication networks. It is suitable for multipoint data transmission, enabling long-distance communication in noisy environments. Common areas of use include telemetry, consumer electronics, and networking equipment, where robust and reliable data transmission is essential.

Equivalent

Equivalent products to the LTC1484IS8 chip include the SN75176 (Texas Instruments), MAX1480 (Maxim Integrated), and the ADM2483 (Analog Devices). These chips serve similar functions for differential signaling and are commonly used in RS-485/RS-422 communication applications. Be sure to check specific features and specifications to ensure compatibility.

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