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MAX481ESA+

Name: MAX481ESA+
Rating: 4.7 (12 reviews)

IC TRANSCEIVER HALF 1/1 8SOIC

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資料表 MAX481ESA+ DataSheet
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規格

Part Status	Obsolete
Type	Transceiver
Protocol	RS422, RS485
Number of Drivers/Receivers	1/1
Duplex	Half
Receiver Hysteresis	70 mV
Data Rate	2.5Mbps
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
Base Product Number	MAX481

概述

Description

The MAX481ESA+ is a low-power, high-speed transceiver designed for RS-485 and RS-422 communication. It features a differential signaling approach, which enhances noise immunity and allows for long-distance data transmission (up to 4000 feet). The device operates with a supply voltage range of 3.0V to 5.25V and consumes minimal power, making it suitable for battery-powered applications.
Key features include a slew rate of 30 V/μs, enabling high-speed data rates up to 2.5 Mbps, and a built-in fail-safe that ensures a known state during power-down. The MAX481ESA+ supports half-duplex communication, making it ideal for applications like industrial automation, remote sensing, and data acquisition systems.
The device is housed in an 8-pin SOIC package, facilitating easy integration into various circuit designs. Its robust performance, low power consumption, and reliability make the MAX481ESA+ a popular choice for engineers working with serial communication protocols.

Features

The MAX481ESA+ is a low-power, RS-485/RS-422 transceiver designed for robust communication in harsh environments. Key features include:
- Data Rate: Supports data rates up to 2.5 Mbps.
- Power Consumption: Low power operation with a typical supply current of 120 µA in standby mode.
- Operating Range: Wide voltage range from +3.0V to +5.5V.
- Driver/Receiver: Full-duplex operation with one driver and one receiver.
- Line Length: Suitable for long-distance communication up to 4000 feet.
- Thermal Protection: Built-in thermal shutdown for reliability.
- ESD Protection: Enhanced ESD protection to ±15 kV (contact) and ±30 kV (air) for improved reliability.
- Pin Configuration: Standard 8-pin DIP or SOIC package for easy integration.
- Fail-Safe: Input fail-safe feature to ensure the receiver outputs a known state when the inputs are open or shorted.
These features make the MAX481ESA+ ideal for industrial applications, automation, and data acquisition systems requiring robust communication.

Package

The MAX481ESA+ is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format. This surface-mount package is designed for easy integration into various electronic applications.

Pinout

The MAX481ESA+ is a low-power, half-duplex RS-485/RS-422 transceiver with a pin count of 8 pins.
Pin Functions:
1. RO (Receiver Output) - The output of the receiver.
2. D (Driver Input) - The input for the driver; accepts data to be transmitted.
3. DI (Driver Input) - Logic input for the driver; used to control transmission.
4. GND - Ground reference for the device.
5. A (Non-inverting Receiver Input) - Positive input for the differential receiver.
6. B (Inverting Receiver Input) - Negative input for the differential receiver.
7. VCC - Power supply pin.
8. EN (Driver Enable) - Active high input to enable the driver.
The MAX481ESA+ is designed for communication over long distances and offers a balanced differential output, improving noise immunity.

Manufacturer

The MAX481ESA+ is manufactured by Maxim Integrated, a company known for designing and manufacturing analog and mixed-signal integrated circuits (ICs). Founded in 1983 and headquartered in San Jose, California, Maxim Integrated specializes in products for various applications, including communication, automotive, industrial, and consumer electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further expanding its portfolio and capabilities in the semiconductor industry.

Application

The MAX481ESA+ is a low-power RS-485/RS-422 transceiver used in various applications, including industrial automation, data acquisition systems, and remote sensor networks. It enables robust communication in noisy environments, making it suitable for automotive, telecommunications, and building automation. Additionally, its applications extend to multi-drop networks and point-to-point connections in environments where long cable runs are required.

Equivalent

Equivalent products to the MAX481ESA+ include the SN65HVD11, TIA-8203, and ADM2483. These devices also serve as RS-485/RS-422 transceivers with similar features and specifications. Always check the datasheets for exact pin configurations and electrical characteristics to ensure compatibility for your application.