SP485REN-L

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SP485REN-L

IC TRANSCEIVER HALF 1/1 8SOIC

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規格

Part Status Obsolete
Type Transceiver
Protocol RS422, RS485
Number of Drivers/Receivers 1/1
Duplex Half
Data Rate 5Mbps
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-SOIC

概述

Description

The SP485REN-L is a low-power, high-speed RS-485 transceiver designed for robust communication in industrial environments. It supports half-duplex operation and is compatible with both 5V and 3.3V power supplies, making it versatile for various applications. The device features a wide operating temperature range (-40°C to +85°C) and is ideal for long-distance data transmission, capable of transmitting up to 32 nodes on a single bus.
With a data rate of up to 2.5 Mbps, the SP485REN-L provides reliable performance for networked systems. Its built-in failsafe circuitry ensures that the receiver outputs a known state when the inputs are open or terminated. The transceiver also incorporates thermal shutdown protection to enhance reliability.
Overall, the SP485REN-L is suitable for applications in automation, telemetry, and data acquisition systems, where stable and efficient communication is crucial.

Features

The SP485REN-L is a low-power, half-duplex RS-485 transceiver designed for reliable data communication in multipoint applications. Key features include:
1. Low Power Consumption: Operates with a supply voltage range of 3.0V to 5.5V, making it suitable for battery-powered devices.
2. High-Speed Data Rates: Supports data rates up to 2.5 Mbps, allowing for fast communication over long distances.
3. Enhanced ESD Protection: Offers robust ESD protection, enhancing reliability in noisy environments.
4. Operating Temperature Range: Suitable for industrial applications with an operating temperature range of -40°C to +85°C.
5. Low Driver and Receiver Current: Reduces overall power usage, critical for energy-efficient designs.
6. Fail-Safe Receiver: Ensures the receiver outputs a high level when the bus is idle, preventing false data.
7. Built-In Termination: Optional termination resistors simplify circuit design and improve signal integrity.
These features make the SP485REN-L ideal for industrial control systems, building automation, and other applications requiring robust data communication.

Package

The SP485REN-L is available in a standard 8-pin SOIC (Small Outline Integrated Circuit) package.

Pinout

The SP485REN-L is a low-power, half-duplex RS-485/RS-422 transceiver. It comes in a 8-pin package (SOIC, DIP, or others). The pin configuration and their functions are as follows:
1. RO (Receiver Output) - Outputs the received data.
2. RE (Receiver Enable) - Active low input to enable the receiver.
3. DE (Driver Enable) - Active high input to enable the driver.
4. DI (Driver Input) - Inputs data to be transmitted.
5. A (Non-Inverting Output) - Positive differential output.
6. B (Inverting Output) - Negative differential output.
7. GND (Ground) - Common ground connection.
8. VCC (Supply Voltage) - Power supply pin.
The device supports data rates up to 2.5 Mbps and operates over a wide voltage range, making it suitable for various communication applications.

Manufacturer

The SP485REN-L is manufactured by Texas Instruments (TI), a prominent semiconductor company. Founded in 1930, Texas Instruments designs and produces a wide range of electronic components, including analog and embedded processing chips. The company serves various industries such as telecommunications, automotive, industrial, and consumer electronics. TI is well-known for its innovation in analog and digital signal processing technologies, making it a key player in the global electronics market.

Application

The SP485REN-L is a low-power, half-duplex RS-485/RS-422 transceiver. Its application areas include industrial automation, remote sensor networks, building automation, and data acquisition systems. It is suitable for long-distance communication in noisy environments, making it ideal for telecommunications and control systems. Additionally, it is often used in applications requiring robust data transmission in multi-point configurations.

Equivalent

Equivalent products to the SP485REN-L chip include the MAX1487, SN65HVD3082, LTC2862, and ADM2483. These chips are similar in function, offering RS-485/RS-422 communication capabilities. Be sure to compare specifications such as voltage levels, data rates, and package types for compatibility with your application.

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