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MAX485ESA+T

Name: MAX485ESA+T
Rating: 4.7 (12 reviews)

IC TRANSCEIVER HALF 1/1 8SOIC

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Mfr。パート #MAX485ESA+T
パッケージ SOIC-8
データシート
在庫中3662

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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
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	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概要

Description

The MAX485ESA+T is a low-power, half-duplex RS-485/RS-422 transceiver designed for data communication over long distances in noisy environments. It operates with a single power supply ranging from 3.0V to 5.25V, making it suitable for battery-powered applications. The device features a high data rate of up to 2.5 Mbps and boasts a low supply current of around 120 µA in the idle state, enhancing energy efficiency.
The MAX485ESA+T supports multipoint communication, allowing multiple devices to be connected on the same bus, and includes fail-safe features that ensure the receiver remains in a known state during power loss or line disconnection. The package is available in an 8-pin DIP form factor, making it easy to integrate into various circuit designs. Its robust design, combined with a wide operating temperature range, makes it ideal for industrial and automotive applications. Overall, the MAX485ESA+T is an essential component for reliable and efficient serial communication in diverse electronic systems.

Features

The MAX485ESA+T is a low-power, half-duplex RS-485/RS-422 transceiver designed for robust communication in noisy environments. Key features include:
1. Low Power Consumption: Operates with a low supply current of 120 µA, making it suitable for battery-operated devices.
2. Wide Voltage Range: Supports a supply voltage range from 3.0V to 5.5V.
3. High-Speed Operation: Capable of data rates up to 2.5 Mbps, ensuring efficient communication.
4. Extended Temperature Range: Rated for operation from -40°C to +85°C for industrial applications.
5. Multi-Point Capability: Allows up to 32 transceivers on a single bus, ideal for networked systems.
6. Fail-Safe Design: Includes fail-safe features that ensure a known state in case of signal loss.
7. Small Package: Available in an 8-pin SOIC package, facilitating compact circuit designs.
These features make the MAX485ESA+T suitable for a variety of applications, including industrial automation, remote sensing, and data acquisition systems.

Package

The MAX485ESA+T is offered in an 8-pin dual in-line package (DIP) type. It is designed for low-power, half-duplex RS-485 communication.

Pinout

The MAX485ESA+T is an integrated circuit designed for low-power, half-duplex RS-485 communication. It features a 8-pin configuration.
Pin Count and Functions:
1. Pin 1 (A): Non-inverting output (RS-485 A line)
2. Pin 2 (B): Inverting output (RS-485 B line)
3. Pin 3 (Y): Receiver output (for the data received)
4. Pin 4 (Z): Receiver inverting input
5. Pin 5 (GND): Ground
6. Pin 6 (VCC): Supply voltage (typically +5V)
7. Pin 7 (DE): Driver enable (active high)
8. Pin 8 (RE): Receiver enable (active low)
The device is used in applications requiring robust data transmission over long distances, providing differential signaling to minimize noise.

Manufacturer

The manufacturer of the MAX485ESA+T is Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated specializes in the design and production of analog and mixed-signal integrated circuits. The company focuses on providing semiconductor solutions for various applications, including communications, automotive, industrial, and consumer electronics. Their products are known for high performance and reliability, serving a wide range of industries.

Application

The MAX485ESA+T is a low-power, transceiver designed for RS-485 and RS-422 communication. Its application areas include industrial automation, motor control, building automation, data acquisition systems, and remote sensor networks. It enables reliable long-distance communication over twisted-pair cables in noisy environments, making it suitable for networks requiring multiple nodes and robust data transmission.

Equivalent

Equivalent products to the MAX485ESA+T chip include the SN75176, SN75179, and LT1785. Other alternatives may include the ADM2483 and the ISL8480, depending on specific requirements such as voltage levels and data rates. Always check the datasheets for detailed specifications to ensure compatibility.