LTC1485CS8

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LTC1485CS8

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RS-485 Interface IC LTC1485 - Differential Bus Transceiver

  • ПроизводительАналоговые устройства

  • Мфр. Часть #LTC1485CS8

  • Лист данных LTC1485CS8 DataSheet

  • В наличии20985

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Спецификации

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Description

The LTC1485CS8 is a low-power RS-485 transceiver designed for data communication over long distances and in electrically noisy environments. It is part of the LTC1485 series, which offers robust performance and features for industrial and commercial applications. The device operates on a single 5V supply and supports data rates up to 2.5 Mbps. Key features include thermal shutdown protection, slew rate limiting for reduced EMI, and a fail-safe receiver input that ensures a known output state when the bus is idle or when inputs are open or shorted. The LTC1485CS8 is pin-compatible with industry-standard RS-485 transceivers, making it a suitable choice for upgrading existing systems. It is housed in an 8-pin SOIC package, making it compact and easy to integrate into various designs. This transceiver is ideal for use in applications such as industrial control, building automation, and telecommunications.

Equivalent

The LTC1485CS8 is a low-power RS-485/RS-422 transceiver. Equivalent products include the MAX485 from Maxim Integrated, SN75176 from Texas Instruments, and the ADM485 from Analog Devices. These alternatives offer similar functionalities such as differential data transmission for balanced lines, low power consumption, and compatibility with RS-485 and RS-422 standards. Always check the specific datasheets for compatibility in terms of voltage levels, pin configuration, and operating temperature ranges.

Features

The LTC1485CS8 is a low power, differential line transceiver designed for data transmission over balanced lines. It is compatible with RS-485 and RS-422 standards. Key features include:
1. Low Power Consumption: Operates with reduced power usage, making it suitable for battery-powered applications.
2. Wide Operating Voltage Range: Works over a supply voltage range of 4.75V to 5.25V.
3. High Speed: Supports data rates up to 2.5Mbps.
4. Short-Circuit Protection: Built-in protection against short circuits on the outputs.
5. Thermal Shutdown: Automatically disables the IC to prevent damage from overheating.
6. ESD Protection: Robust protection against electrostatic discharge.
7. Reduced EMI: Designed to minimize electromagnetic interference.
8. Tri-State Outputs: Facilitates multiple drivers on the same bus by providing high-impedance output states.
9. Slew Rate Control: Limits the rise and fall times of the driver outputs to reduce reflections and EMI.
10. Compact Package: Available in an 8-pin SO package, which is space-efficient for various applications.
These features make the LTC1485CS8 ideal for industrial networks, automotive systems, and other applications requiring reliable, high-speed data communication.

Pinout

The LTC1485CS8 is an integrated circuit designed for RS-485/RS-422 communication systems. It is an 8-pin device, and its primary function is to serve as a low power differential line transceiver with a high input impedance. Here’s a brief overview of its pin functions:
1. Pin 1 (RO): Receiver Output - Outputs the received data from the differential bus.
2. Pin 2 (RE̅̅): Receiver Enable - Active low input to enable the receiver.
3. Pin 3 (DE): Driver Enable - Controls the driver; active high to enable the driver.
4. Pin 4 (DI): Driver Input - Accepts data to be transmitted on the differential bus.
5. Pin 5 (GND): Ground - Common ground connection.
6. Pin 6 (A): Non-Inverting Driver Output/Receiver Input - Connects to the bus.
7. Pin 7 (B): Inverting Driver Output/Receiver Input - Connects to the bus.
8. Pin 8 (VCC): Positive Supply Voltage - Powers the IC.
The LTC1485CS8 is known for its low power consumption, making it suitable for battery-powered applications.

Manufacturer

The LTC1485CS8 is manufactured by Linear Technology Corporation. Linear Technology is known for designing, manufacturing, and marketing a broad line of high-performance analog integrated circuits. The company specializes in products such as amplifiers, data converters, power management devices, interface ICs, and other signal processing solutions. They primarily serve industries and applications in telecommunications, networking products, industrial controls, automotive electronics, computer products, and more. In 2017, Linear Technology was acquired by Analog Devices, Inc., a leader in high-performance analog technology and systems, greatly expanding Analog Devices' portfolio and market reach.

Application

The LTC1485CS8 is a low-power RS-485/RS-422 transceiver designed for high-speed data communication in industrial and commercial applications. Its key application areas include networking systems, process control, point-of-sale systems, and industrial automation. The device is suitable for use in environments requiring reliable data transmission over long distances and in electrically noisy conditions. Additionally, it is often used in building automation, security systems, and HVAC controls due to its robust performance and low power consumption.

Package

The LTC1485CS8 is an integrated circuit from Linear Technology, housed in an 8-lead SOIC (Small Outline Integrated Circuit) package. This package type is designed for surface-mount technology, suitable for applications requiring a compact footprint and efficient heat dissipation.

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