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LTC491CS
+NomenclatureRS-422/RS-485 Interface IC LTC491 - Differential Driver and Receiver Pair
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FabricantÉquipement de simulation
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Pièce fabricant #LTC491CS
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Fiche technique LTC491CS DataSheet
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En stock18258
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Spécifications
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Présentation
Description
Key features of the LTC491CS include:
1. Low Power Consumption: The device is designed to operate efficiently, consuming minimal power, which is beneficial for battery-powered and energy-sensitive applications.
2. High Data Rates: It supports data rates up to 10 Mbps, making it suitable for high-speed communication needs.
3. Wide Supply Voltage Range: The LTC491CS operates over a wide supply voltage range, providing flexibility in various system designs.
4. Robustness: It includes features like thermal shutdown protection, current limiting, and failsafe operation to withstand harsh environmental conditions.
5. Noise Immunity: The transceiver's differential signaling provides excellent noise immunity, ensuring reliable data transmission even in electrically noisy environments.
Overall, the LTC491CS is a reliable and efficient choice for long-distance data communication in challenging environments.
Equivalent
1. SN75176B (Texas Instruments)
2. MAX485 (Maxim Integrated)
3. ADM485 (Analog Devices)
4. SP485 (Sipex Corporation/Exar Corporation)
5. AM26C31 (Texas Instruments)
These alternatives provide similar functionality in terms of RS-485 communication, typically offering comparable voltage levels, data rates, and package types. Always check the specific datasheet to ensure compatibility with your application requirements.
Features
1. Low Power Consumption: Operates with minimal power, enhancing efficiency and reducing heat generation in systems.
2. Extended Common-Mode Range: Supports a wide range of common-mode voltages, ensuring reliable communication in various environments.
3. High Noise Immunity: Designed to withstand noise, making it ideal for industrial and electrically noisy environments.
4. Driver and Receiver: Contains both a driver and receiver, enabling full-duplex communication over a single twisted pair.
5. ESD Protection: Built-in electrostatic discharge protection enhances durability and reliability.
6. TTL Compatible: Facilitates easy integration with TTL (Transistor-Transistor Logic) circuits.
7. Wide Operating Voltage Range: Can function over a broad range of supply voltages, adding flexibility to its applications.
8. Temperature Range: Suitable for use over a wide temperature range, ensuring performance in various thermal conditions.
These features make the LTC491CS well-suited for applications in telecommunications, networking, and industrial automation where robust and efficient data transmission is required.
Pinout
1. RO (Receiver Output) - This pin outputs the received data from the differential input.
2. RE̅ (Receiver Enable) - Active-low pin to enable the receiver. When low, the receiver is enabled.
3. DE (Driver Enable) - Activates the driver, allowing data transmission, when set high.
4. DI (Driver Input) - The data input pin for the driver.
5. GND (Ground) - Provides a reference point for all the internal circuitry.
6. A (Non-Inverting Receiver Input and Non-Inverting Driver Output) - One side of the differential bus line.
7. B (Inverting Receiver Input and Inverting Driver Output) - The other side of the differential bus line.
8. Vcc (Positive Supply Voltage) - Powers the device.
The LTC491CS is designed for robust communication, offering features like short-circuit protection, thermal shutdown, and a wide common-mode range, making it suitable for a variety of industrial and commercial applications.