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LTC2854HDD
Product Overview
Category
The LTC2854HDD belongs to the category of communication interface ICs.
Use
It is used for implementing a robust, high speed RS485/RS422 transceiver for industrial and commercial applications.
Characteristics
- Robustness: The LTC2854HDD is designed to withstand harsh industrial environments.
- High Speed: It supports data rates up to 20Mbps.
- Low Power: It operates with low power consumption, making it suitable for portable and battery-powered applications.
Package
The LTC2854HDD comes in a 8-pin DFN package.
Essence
The essence of LTC2854HDD lies in its ability to provide reliable and high-speed communication in challenging environments.
Packaging/Quantity
It is typically available in reels of 2500 units.
Specifications
- Supply Voltage Range: 3V to 5.5V
- Operating Temperature Range: -40°C to 125°C
- Maximum Data Rate: 20Mbps
- Quiescent Current: 1.6mA
Detailed Pin Configuration
The LTC2854HDD features the following pin configuration: 1. DE (Driver Output Enable) 2. A (Non-Inverting Driver Input) 3. B (Inverting Driver Input) 4. GND (Ground) 5. Y (Receiver Output) 6. Z (Receiver Output) 7. RE (Receiver Output Enable) 8. VCC (Supply Voltage)
Functional Features
- Integrated ESD Protection: Provides robustness against electrostatic discharge.
- Hot Swap Receiver: Allows the device to be connected to a live bus without causing data corruption.
- Low EMI: Minimizes electromagnetic interference for improved system reliability.
Advantages and Disadvantages
Advantages
- High-Speed Operation
- Robustness in Harsh Environments
- Low Power Consumption
Disadvantages
- Limited to RS485/RS422 Applications
- Relatively Small Package Size
Working Principles
The LTC2854HDD operates by converting logic level signals to differential voltage signals suitable for transmission over long distances. It also incorporates features to protect against common issues encountered in industrial communication systems, such as ESD and bus contention.
Detailed Application Field Plans
The LTC2854HDD is well-suited for various industrial and commercial applications, including: - Industrial Automation - Building Automation - Process Control Systems - HVAC Control - Instrumentation
Detailed and Complete Alternative Models
Some alternative models to LTC2854HDD include: - MAX485 - SN65HVD72 - ADM2587E
In conclusion, the LTC2854HDD is a versatile and reliable communication interface IC designed for demanding industrial and commercial applications, offering high-speed operation, robustness, and low power consumption.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LTC2854HDD in technische oplossingen
What is the LTC2854HDD?
- The LTC2854HDD is a quad-channel RS485/RS422 transceiver designed for use in industrial and automotive applications.
What is the operating voltage range of the LTC2854HDD?
- The LTC2854HDD operates over a wide voltage range of 3V to 5.5V, making it suitable for various power supply configurations.
What is the data rate supported by the LTC2854HDD?
- The LTC2854HDD supports data rates up to 20Mbps, enabling high-speed communication in demanding applications.
Does the LTC2854HDD feature ESD protection?
- Yes, the LTC2854HDD provides ±15kV HBM ESD protection on the bus pins, enhancing its robustness in harsh environments.
Can the LTC2854HDD operate in half-duplex mode?
- Yes, the LTC2854HDD supports half-duplex operation, allowing for bidirectional communication over a single differential pair.
What is the typical quiescent current of the LTC2854HDD?
- The LTC2854HDD has a low quiescent current of 600μA per driver, minimizing power consumption in battery-powered systems.
Is the LTC2854HDD compatible with 3.3V and 5V logic levels?
- Yes, the LTC2854HDD is compatible with both 3.3V and 5V logic levels, offering flexibility in interfacing with different microcontrollers and devices.
Does the LTC2854HDD support fail-safe biasing?
- Yes, the LTC2854HDD includes fail-safe circuitry to ensure a known output state when the inputs are open or shorted.
What is the temperature range for the LTC2854HDD?
- The LTC2854HDD operates over a wide temperature range of -40°C to 125°C, suiting it for rugged industrial and automotive environments.
Are there any application notes or reference designs available for the LTC2854HDD?
- Yes, Linear Technology (now part of Analog Devices) provides comprehensive application notes and reference designs to assist with the implementation of the LTC2854HDD in various technical solutions.