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MAX489ESD+T

Name: MAX489ESD+T
Rating: 4.7 (12 reviews)

IC TRANSCEIVER FULL 1/1 14SOIC

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製造商。部分 #MAX489ESD+T
包 SOIC-14
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Type	Transceiver
Protocol	RS422, RS485
NumberofDrivers/Receivers	1/1
Duplex	Full
ReceiverHysteresis	70 mV
DataRate	250kbps
Voltage-Supply	4.75V ~ 5.25V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	14-SOIC (0.154, 3.90mm Width)

概述

Description

The MAX489ESD+T is a robust, low-power, single-pole double-throw (SPDT) analog switch specifically designed for applications requiring high ESD protection. It features an operating voltage range of 1.8V to 5.5V, making it suitable for various portable devices and communication systems. With a low on-resistance of approximately 2.5Ω at 5V, it minimizes voltage drop and signal distortion, ensuring optimal performance in signal routing applications.
The device also offers an integrated ESD protection, rated for ±15kV contact and ±30kV air discharge, which enhances its reliability in harsh environments. The MAX489ESD+T supports high-speed data transmission and is ideal for audio, video, and data switching applications. It is available in a compact 6-pin SOT-23 package, making it easy to integrate into space-constrained designs. Additionally, the device's low power consumption and high linearity contribute to its appeal in battery-operated and high-fidelity applications.

Features

The MAX489ESD+T is a high-speed, dual-channel, low-power RS-485 transceiver designed for robust communication in noisy environments. Key features include:
1. ESD Protection: Integrated ESD protection up to ±15 kV (air) and ±8 kV (contact) for enhanced reliability in harsh conditions.
2. High Data Rate: Supports data rates up to 20 Mbps, making it suitable for fast data transmission.
3. Low Power Consumption: Operates with a supply voltage range of 3.0V to 5.5V and features low quiescent current, optimizing battery life in portable applications.
4. Wide Temperature Range: Functional across -40°C to +125°C, allowing for use in extreme environments.
5. Fail-Safe Features: Built-in fail-safe biasing ensures a known state during idle or power-off conditions, preventing false data transmission.
6. Compact Package: Available in a small 8-Pin SOIC package, suitable for space-constrained designs.
These features make the MAX489ESD+T ideal for industrial automation, motor control, and other demanding applications.

Package

The MAX489ESD+T is available in a 16-pin TSSOP (Thin Shrink Small Outline Package) format. This package type is designed for space efficiency and ease of handling in surface mount applications.

Pinout

The MAX489ESD+T is a low-power, dual-channel, bidirectional, ESD-protected RS-485/RS-422 transceiver. It features a total of 8 pins.
The functions of the pins are as follows:
1. A (Pin 1) - Non-inverting input/output for RS-485 communication.
2. B (Pin 2) - Inverting input/output for RS-485 communication.
3. Y (Pin 3) - Non-inverting output for RS-422 communication.
4. Z (Pin 4) - Inverting output for RS-422 communication.
5. RO (Pin 5) - Receiver output that indicates data received.
6. RE (Pin 6) - Receiver enable/disable control (active low).
7. DE (Pin 7) - Driver enable control (active high).
8. GND (Pin 8) - Ground connection.
The device supports data rates up to 20 Mbps and features robust ESD protection, making it suitable for various industrial and communication applications.

Manufacturer

The MAX489ESD+T is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a global semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, ADI serves a variety of industries, including automotive, communications, healthcare, and industrial automation. The company is known for its innovative solutions in signal processing and is a leader in providing products that enhance the performance and reliability of electronic systems.

Application

The MAX489ESD+T is a low-power, high-speed RS-485/RS-422 transceiver designed for various applications, including industrial automation, data acquisition systems, and communication networks. Its ESD protection makes it suitable for harsh environments, such as factory automation and process control. Other application areas include building automation, remote sensing, and automotive communication systems, where reliable long-distance data transmission is essential.

Equivalent

The MAX489ESD+T chip is a low-power RS-485/RS-422 transceiver. Equivalent products include SN65HVD3082E (Texas Instruments), ADM2483 (Analog Devices), and LTC2862 (Analog Devices). For compatibility, ensure similar voltage, data rate, and package type. Always verify specifications to confirm suitability for your application.