LTC2804IDHC

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LTC2804IDHC

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RS-232 Interface IC LTC2804 - 1.8V to 5.5V RS-232 Single and Dual Transceivers

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仕様

属性

概要

Description

The LTC2804IDHC is a low-power RS485/RS422 transceiver designed for robust communication in industrial and commercial environments. It is manufactured by Analog Devices, formerly Linear Technology. This device features a wide operating voltage range from 3V to 5.5V, making it versatile for various applications. The LTC2804IDHC supports high data rates up to 20Mbps, ensuring efficient data transmission over long distances.
One of the key characteristics of this transceiver is its low power consumption, with a typical supply current of 650μA, which is beneficial for battery-powered and energy-sensitive applications. It also includes a low-power shutdown mode that reduces the supply current to 1μA, further conserving energy.
The LTC2804IDHC offers excellent noise immunity and robust protection features, such as thermal shutdown, short-circuit protection, and ESD protection up to ±15kV, ensuring reliable operation in harsh conditions. The device is available in a compact 8-lead DFN package, making it suitable for space-constrained designs. Overall, the LTC2804IDHC is an ideal choice for high-speed, low-power communication in challenging industrial environments.

Equivalent

The LTC2804IDHC is a RS485/RS422 transceiver. Equivalent products include:
1. MAX485 by Maxim Integrated
2. SN75176 by Texas Instruments
3. ADM485 by Analog Devices
4. SP485 by Sipex/Exar
5. ISL83485 by Intersil
These alternatives offer similar functionalities for differential data transmission over twisted-pair cables. Always verify electrical characteristics and pin compatibility before substituting.

Features

The LTC2804IDHC is a robust RS485/RS422 transceiver designed for high-speed communication applications. Key features include:
1. High Data Rate: Supports data rates up to 20Mbps, making it suitable for fast data transmission requirements.
2. Wide Operating Voltage: Operates over a wide supply range from 3V to 5.5V, offering flexibility for different system designs.
3. Low Power Consumption: Features low supply current, which is beneficial for power-sensitive applications.
4. Extended ESD Protection: Provides enhanced ESD protection, ensuring reliability and durability in harsh environments.
5. Fail-Safe Operation: Incorporates fail-safe receiver inputs for open, shorted, or terminated but idle data lines, enhancing system reliability.
6. Thermal Shutdown: Includes thermal shutdown protection to prevent damage from overheating.
7. Package and Size: Available in a compact DFN package, optimizing space on printed circuit boards.
These features make the LTC2804IDHC ideal for industrial automation, telecommunications, and other applications requiring reliable high-speed data communication.

Pinout

The LTC2804IDHC is a 4-channel RS485/RS422 transceiver designed for high-speed, multipoint data transmission applications. It is typically used to provide robust communication in electrically noisy environments. The package for the LTC2804IDHC is a 16-pin DFN (Dual Flat No-Lead) package. The functions of the pins include signals for transmit and receive (TX and RX) on four separate channels, as well as power supply and ground connections. Additionally, there are typically pins for driver enable and receiver enable functions, allowing control over each channel's operational state. The specific pin functions would require consulting the datasheet for exact details, as the configuration may include additional features or specific pin assignments unique to the device.

Manufacturer

The LTC2804IDHC is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of semiconductor products, particularly those used in signal processing applications. Its product portfolio includes analog, mixed-signal, and digital signal processing integrated circuits (ICs) used in a wide range of electronic equipment. The company serves various industries, including communications, automotive, healthcare, industrial, and consumer electronics. Known for its expertise in analog technology, Analog Devices provides solutions that bridge the physical and digital worlds, enabling advancements in areas like data conversion, power management, and radio frequency technology.

Application

The LTC2804IDHC is a low-power, high-speed RS-232 transceiver commonly used in communication and interfacing applications. It is ideal for point-to-point serial communication in industrial control systems, medical devices, and network equipment where robust, reliable data transmission is critical. Due to its small size and efficient power usage, it is suitable for portable and battery-powered devices. Additionally, it can be used in data acquisition systems and embedded systems requiring serial communication. Its high-speed operation also makes it a good choice for applications demanding quick data transfer rates.

Package

The LTC2804IDHC is packaged in a 3mm x 3mm DFN (Dual Flat No Leads) package.

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