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LTC1485CS8

Name: LTC1485CS8
Rating: 4.7 (12 reviews)

RS-485 Interface IC LTC1485 - Differential Bus Transceiver

Производитель
Мфр. Часть #LTC1485CS8
Пакет
Лист данных LTC1485CS8 DataSheet
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Спецификации

Обзор

Description

The LTC1485CS8 is a high-speed, low-power differential line transceiver designed for RS-485 and RS-422 communication standards. Operating at a voltage range of 4.75V to 5.25V, it features a maximum data rate of 20 Mbps, making it suitable for fast data transmission in industrial and telecommunications applications.
The device supports up to 32 transceivers on the bus, allowing for multi-point communication. It has a typical propagation delay of 15 ns and a low supply current of 120 µA, enhancing energy efficiency. The LTC1485CS8 also includes built-in thermal shutdown protection and a wide common-mode voltage range, ensuring robust performance in noisy environments.
With its small 8-lead SOIC package, it is ideal for space-constrained designs. The transceiver is commonly used in applications such as factory automation, motor control, and data acquisition systems, where long-distance data transmission is essential.

Features

The LTC1485CS8 is a high-speed differential bus transceiver designed for RS-485 and RS-422 communication. Key features include:
1. Data Rate: Capable of transmitting at speeds up to 20 Mbps.
2. Operating Voltage: Typically operates from a single +5V supply, with a specified range of 4.75V to 5.25V.
3. Low Power: Consumes only 120 mW, making it suitable for power-sensitive applications.
4. Differential Signaling: Provides improved noise immunity and reduced electromagnetic interference.
5. Wide Common Mode Range: Supports common-mode voltage range from -7V to +12V.
6. High Output Drive: Can drive up to 32 transceivers on the bus and supports ±16 kV ESD protection.
7. Short-Circuit Protection: Features built-in short-circuit protection for enhanced reliability.
8. Temperature Range: Available in commercial and industrial temperature ranges.
These features make the LTC1485CS8 ideal for robust data communications in industrial and commercial applications.

Package

The LTC1485CS8 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) form factor. This surface-mount package is designed for efficient use of space on a PCB and allows for easy integration into various electronic applications.

Pinout

The LTC1485CS8 is an integrated circuit (IC) used for differential signaling, specifically in RS-485 and RS-422 applications. It comes in an 8-pin SOIC package.
Pin Count and Functions:
1. Pin 1 (A): Non-inverting differential input.
2. Pin 2 (B): Inverting differential input.
3. Pin 3 (Y): Non-inverting output.
4. Pin 4 (GND): Ground connection.
5. Pin 5 (VCC): Positive supply voltage (typically +5V).
6. Pin 6 (DE): Driver enable; active high to enable the driver.
7. Pin 7 (RE): Receiver enable; active low to enable the receiver.
8. Pin 8 (Z): Inverting output.
The LTC1485CS8 is designed for low power and high-speed data transmission, supporting up to 32 transceivers on a bus and offering high noise immunity.

Manufacturer

The LTC1485CS8 is manufactured by Analog Devices, Inc., specifically under its Linear Technology product line. Analog Devices is a multinational company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). The company serves a wide range of industries, including aerospace, automotive, communications, consumer electronics, healthcare, and industrial applications. Known for its innovation and quality, Analog Devices focuses on creating advanced solutions for data conversion, signal processing, and power management.

Application

The LTC1485CS8 is a high-speed differential line driver commonly used in RS-485 and RS-422 communication systems. Its application areas include industrial automation, data acquisition systems, remote sensor networks, and point-to-point or multipoint communications. It is also utilized in environments requiring robust data transmission over long distances and in electrically noisy conditions.

Equivalent

Equivalent products to the LTC1485CS8 include the SN75176, MAX1487, and TH8051. These chips are all RS-485/RS-422 transceivers with similar functionalities, suitable for differential signaling and communication in various applications. Always check specific datasheets for exact specifications and compatibility.

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