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MAX485EPA+

Name: MAX485EPA+
Rating: 4.7 (12 reviews)

IC TRANSCEIVER HALF 1/1 8DIP

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製造商。部分 #MAX485EPA+
包 8-DIP
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規格

Package	Tube
ProductStatus	Active
Type	Transceiver
Protocol	RS422, RS485
NumberofDrivers/Receivers	1/1
Duplex	Half
ReceiverHysteresis	70 mV
DataRate	2.5Mbps
Voltage-Supply	4.75V ~ 5.25V
OperatingTemperature	-40°C ~ 85°C
MountingType	Through Hole
Package/Case	8-DIP (0.300, 7.62mm)

概述

Description

The MAX485EPA+ is a low-power, half-duplex RS-485 transceiver designed for data communication applications requiring long-distance transmission with high noise immunity. It operates over a supply voltage range of 3.0V to 5.5V and can transmit data over distances up to 4000 feet (approximately 1200 meters) at speeds up to 2.5 Mbps. The device features a built-in fail-safe mechanism that ensures a known state during power failures or line disruptions.
With a low power consumption of only 120 µA in standby mode, it is suitable for battery-operated devices. It also supports multiple transceivers on a bus, enabling multi-point communication. The MAX485EPA+ is ideal for industrial automation, building automation, and telecommunications applications. Its compact 8-pin DIP package makes it easy to integrate into various circuit designs.

Features

The MAX485EPA+ is a low-power, low-voltage RS-485/RS-422 transceiver designed for data communication in multipoint applications. Key features include:
1. Low Power Consumption: Typically consumes only 120 µA in standby mode.
2. High Speed: Supports data rates up to 2.5 Mbps.
3. Wide Supply Voltage Range: Operates from 3.0V to 5.5V.
4. Enhanced Reliability: Offers fail-safe features that prevent false data when inputs are floating.
5. Robust Transmission: Supports up to 32 transceivers on the bus.
6. Temperature Range: Rated for operation from -40°C to +85°C.
7. Small Package: Available in a space-saving DIP package.
8. Differential Signal: Reduces noise and enhances signal integrity over long distances.
9. Transmitter and Receiver: Comes with an integrated driver and receiver for simplified designs.
These features make the MAX485EPA+ suitable for industrial automation, remote sensor networks, and other applications requiring robust communication.

Package

The MAX485EPA+ is available in a DIP (Dual In-line Package) format. This package type features 8 pins and is designed for through-hole mounting, making it suitable for various applications in communication and data transmission.

Pinout

The MAX485EPA+ is an integrated circuit designed for low-power, half-duplex communication using the RS-485 standard. It features 8 pins in total. Here are the pin functions:
1. A (Pin 1) - Non-inverting input for the differential receiver.
2. B (Pin 2) - Inverting input for the differential receiver.
3. RO (Pin 3) - Receiver output; provides the received data to the microcontroller.
4. RE (Pin 4) - Receiver enable; active low input that enables the receiver output.
5. DE (Pin 5) - Driver enable; active high input that enables the transmitter.
6. DI (Pin 6) - Driver input; data input to the transmitter.
7. GND (Pin 7) - Ground connection for the device.
8. VCC (Pin 8) - Supply voltage (typically +5V).
The MAX485EPA+ is commonly used for long-distance communication in noisy environments due to its differential signaling.

Manufacturer

The MAX485EPA+ is manufactured by Maxim Integrated, which is a semiconductor company known for designing and manufacturing analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated specializes in a wide range of electronic components, including data converters, amplifiers, and communication interface products. The company focuses on providing solutions for applications in automotive, industrial, communications, and consumer electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further expanding its product offerings and market reach.

Application

The MAX485EPA+ is primarily used in RS-485 communication applications. Its key areas include industrial automation, motor control systems, building automation, and data acquisition systems. It facilitates long-distance data transmission in noisy environments and is commonly employed in networks requiring multiple devices, such as sensor networks, multi-drop systems, and remote monitoring applications. Additionally, it finds use in automotive communication and remote telemetry systems.

Equivalent

Equivalent products to the MAX485EPA+ chip include the SN75176, SN65HVD08, and ADM2483. These chips serve similar functions for RS-485 communication, providing differential signaling for data transmission. Always check specific datasheet parameters for compatibility in your application.