MAX14840EATA+T

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MAX14840EATA+T

+物料清單

IC TRANSCEIVER HALF 1/1 8TDFN

  • 製造商類比設備股份有限公司/Maxim集成

  • 製造商部分 #MAX14840EATA+T

  • 數據表 MAX14840EATA+T DataSheet

  • 有存貨8512

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正品保證

規格

屬性 價值
Part Status Active
Type Transceiver
Protocol RS422, RS485
Number of Drivers/Receivers 1/1
Duplex Half
Receiver Hysteresis 50 mV
Data Rate 40Mbps
Voltage - Supply 3V ~ 3.6V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-WDFN Exposed Pad
Supplier Device Package 8-TDFN (3x3)
Base Product Number MAX14840

概述

Description

The MAX14840EATA+T is a high-speed, dual-channel, RS-485/RS-422 transceiver designed for robust communication in industrial and commercial applications. It supports data rates up to 20 Mbps and operates over a wide voltage range of 3.0V to 5.5V, making it versatile for various power supply configurations. The device features high noise immunity and low power consumption, with a reduced quiescent current in standby mode, which is crucial for battery-operated devices.
The transceiver is equipped with integrated fail-safe circuitry that ensures a known state in the absence of a valid input signal. It also includes thermal protection and short-circuit protection, enhancing reliability in harsh environments. The MAX14840EATA+T comes in a compact 16-pin TQFN package, facilitating space-saving designs. It is suitable for applications such as industrial automation, building automation, and automotive communications, ensuring efficient and reliable data transmission over long distances.

Equivalent

The MAX14840EATA+T is a dual-channel RS-485/RS-422 transceiver. Equivalent products include the SN65HVD3082 from Texas Instruments, the ADM2483 from Analog Devices, and the LTC2862 from Analog Devices. Additionally, the MAX14840's specifications can be matched with parts like the ISL3171E from Renesas. Always verify specific parameters like voltage range, speed, and package type to ensure compatibility.

Features

The MAX14840EATA+T is a high-performance, low-power RS-485/RS-422 transceiver designed for industrial and automotive applications. Key features include:
1. Data Rate: Supports data rates up to 20 Mbps.
2. Power Supply: Operates from a single 3V to 5.5V supply.
3. Low Power Consumption: Features low quiescent current to enhance battery life.
4. Enhanced ESD Protection: Offers ±15kV ESD protection on the A and B pins, ensuring robust performance in harsh environments.
5. Multi-Point Capability: Supports up to 32 nodes on the bus.
6. Fail-Safe Design: Integrated fail-safe mechanisms for open-circuit and short-circuit conditions.
7. Driver/Receiver Enable Pins: Allow for easy control of the transceiver’s operation.
8. Temperature Range: Operates over the -40°C to +125°C temperature range, making it suitable for demanding conditions.
These features make the MAX14840EATA+T ideal for applications requiring reliable communication over long distances.

Pinout

The MAX14840EATA+T is a dual RS-232 transceiver that features 16 pins. Its primary functions include:
1. Transmitting and Receiving Data: It supports RS-232 communication by converting TTL/CMOS levels to RS-232 levels and vice versa.
2. Dual Channels: The device provides two independent channels for data communication.
3. Automatic Power-Down: It includes a low-power mode to conserve energy when not in use.
4. Level Shifting: It ensures proper voltage levels for RS-232 signaling.
5. Fault Protection: The transceiver has built-in protection against short circuits and over-voltage conditions.
The MAX14840EATA+T operates over a wide voltage range and is suitable for various applications requiring robust serial communication.

Manufacturer

The MAX14840EATA+T is manufactured by Analog Devices, Inc. Analog Devices, commonly referred to as ADI, is a multinational semiconductor company that specializes in data conversion, signal processing, and power management technologies. Founded in 1965 and headquartered in Norwood, Massachusetts, ADI designs and manufactures a wide range of integrated circuits and other components used in various applications, including telecommunications, automotive, industrial, and consumer electronics.
The MAX14840EATA+T is a versatile quad-channel digital isolator, primarily used in applications requiring high-speed data transmission and electrical isolation, such as industrial control systems, medical devices, and communication interfaces. Analog Devices focuses on high-performance analog, mixed-signal, and digital signal processing solutions, and it is renowned for its commitment to quality and innovation within the semiconductor industry.

Application

The MAX14840EATA+T is a robust, low-power RS-485/RS-422 transceiver designed for industrial communication applications. Its key areas of application include industrial automation, remote sensor networks, building automation systems, and data acquisition systems. It is suitable for long-distance communication in noisy environments, offering high data rates and enhanced noise immunity. Additionally, it can be utilized in HVAC systems, motor control, and telemetry applications, making it ideal for systems requiring reliable, differential signaling over twisted-pair cables. Its low power consumption also makes it suitable for battery-operated devices.

Package

The MAX14840EATA+T is packaged in a 16-pin TQFN (Thin Quad Flat No-leads) package.

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