LTC1485IS8#TRPBF

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LTC1485IS8#TRPBF

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IC TRANSCEIVER HALF 1/1 8SO

  • Nhà sản xuấtCông ty Analog Devices Inc.

  • Ông. Phần #LTC1485IS8#TRPBF

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Thông số kỹ thuật

thuộc tính Giá trị
Part Status Active
Type Transceiver
Protocol RS422, RS485
Number of Drivers / Receivers 1/1
Duplex Half
Receiver Hysteresis 60 mV
Voltage - Supply 4.75V ~ 5.25V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SO
Base Product Number LTC1485

Tổng quan

Description

The LTC1485IS8#TRPBF is a specific model of a low-power, differential bus/line transceiver designed by Analog Devices (formerly Linear Technology). It is part of the LTC1485 series, which is engineered for RS-485 and RS-422 communications in industrial and telecommunications applications. The device is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package.
Key features include:
- Low Power Consumption: Designed to operate efficiently, reducing power draw in idle and active states.
- Wide Supply Voltage Range: Operates on a voltage range typically suitable for industrial environments.
- High Differential Input Resistance: Provides compatibility with long cable runs and high node count networks.
- Thermal Shutdown: Protects the device from overheating by disabling the output stage during excessive temperature conditions.
- Fail-Safe Operation: Ensures a known output state when inputs are open or shorted.
The device is ideally suited for applications requiring robust communication over long distances or in electrically noisy environments. The "#TRPBF" suffix indicates that this version is tape-and-reel packaged and is RoHS compliant (lead-free).

Equivalent

The LTC1485IS8#TRPBF is an RS-485 transceiver. Equivalent products include:
1. MAX485ESA+ by Maxim Integrated
2. SN75176BP by Texas Instruments
3. ADM485ARZ by Analog Devices
4. SP485EEN by Exar
5. ISL8485IBZ by Intersil
These are also low-power RS-485/RS-422 transceivers designed for similar applications. Always verify specifications to ensure compatibility.

Features

The LTC1485IS8#TRPBF is a high-performance, half-duplex RS485/RS422 transceiver. It is designed to operate on a single 5V supply and is ideal for data transmission in industrial environments. Key features include:
1. Low Power Consumption: The device offers low power dissipation with a typical supply current of 300 µA, making it energy-efficient.
2. Wide Operating Temperature Range: It operates effectively from -40°C to 85°C, making it suitable for various industrial applications.
3. High Data Rate: Capable of supporting data rates up to 2.5 Mbps, ensuring fast and reliable data transmission.
4. Enhanced Noise Immunity: Features ±15kV ESD protection on the bus pins, providing robust immunity to electrostatic discharge.
5. Fail-Safe Operation: Includes fail-safe circuitry that ensures a logic-high receiver output when the bus is idle, shorted, or open.
6. Driver/Receiver Enable Pins: Allows for easy configuration and control of driver and receiver modes.
7. Compact Package: Available in an 8-lead SOIC package, facilitating space-saving designs.
These features make the LTC1485IS8#TRPBF suitable for applications requiring reliable high-speed communication over long distances.

Pinout

The LTC1485IS8#TRPBF is an integrated circuit designed for RS-485 and RS-422 communication. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its functions:
1. Pin Count: 8 pins
2. Functions:
- The LTC1485IS8 features a differential driver and receiver, which is used for enhanced data communication over longer distances and in noisy environments.
- The pins typically include driver input, driver output, receiver input, receiver output, and power supply connections.
- It is designed for balanced data transmission, allowing it to support higher data rates.
- The device can be used in multipoint applications on standard bus lines.

This IC is suitable for industrial applications due to its robustness and ability to handle a wide range of voltages.

Manufacturer

The LTC1485IS8#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and production of integrated circuits used in electronic equipment. They focus on analog, mixed-signal, and digital signal processing technologies. This particular part, the LTC1485IS8#TRPBF, is a transceiver designed for RS485 and RS422 communication protocols. Analog Devices serves various industries including industrial, automotive, communications, and consumer electronics, offering a wide range of products that are essential for signal processing and connectivity applications.

Application

The LTC1485IS8#TRPBF is a low-power RS-485 transceiver. Its primary application areas include:
1. Industrial Automation: Facilitates robust communication in noisy environments.
2. Building Automation: Used in systems like HVAC and security for reliable data transmission.
3. Process Control: Ensures stable communication between controllers and field devices.
4. Telecommunications: Supports data networking and communication infrastructure.
5. Energy Management: Used in smart grids and metering systems for efficient data exchange.
6. Embedded Systems: Provides reliable serial communication in embedded applications.
These applications leverage the transceiver's ability to handle multiple nodes and its noise immunity.

Package

The LTC1485IS8#TRPBF is a surface-mount package type, specifically in an 8-lead Small Outline Integrated Circuit (SOIC) format. The "#TRPBF" suffix indicates it is a tape and reel packaging with lead-free (Pb-free) finish.

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