MAX3490EESA+T

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MAX3490EESA+T

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IC TRANSCEIVER FULL 1/1 8SOIC

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Spezifikationen

Attribut Wert
Supplier Analog Devices Inc./Maxim Integrated
Package Tape & Reel (TR)
ProductStatus Obsolete
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Full
ReceiverHysteresis 50 mV
DataRate 10Mbps
Voltage-Supply 3V ~ 3.6V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Übersicht

Description

The MAX3490EESA+T is a robust, low-power RS-485/RS-422 transceiver designed for communication applications that require reliable data transmission over long distances in electrically noisy environments. It supports data rates up to 10 Mbps and features a ±15 kV ESD (Electrostatic Discharge) protection, ensuring durability against static electricity. The device operates over a wide supply voltage range from 3.0V to 5.5V, making it versatile for various systems.
Key features include a low 800 µA supply current, reducing power consumption, and a fail-safe receiver input, which guarantees a logic-high output when the input is open, shorted, or terminated but undriven. The MAX3490EESA+T is pin-compatible with the industry standard 75176 transceiver and comes in an 8-pin SOIC package, facilitating easy integration into existing designs. Additionally, it supports half-duplex communication, which is ideal for applications requiring bi-directional data exchange over a single pair of wires. Overall, the MAX3490EESA+T is suitable for industrial automation, building management systems, and any application needing reliable data communication.

Equivalent

The MAX3490EESA+T is a RS-485/RS-422 transceiver. Equivalent products include:
1. Texas Instruments SN65HVD1780
2. Analog Devices ADM485
3. NXP PCA82C250T
4. STMicroelectronics ST3485
5. ON Semiconductor NCV7340
These alternatives generally offer similar functionalities such as half-duplex communication, wide voltage range, and low power consumption. Always verify pin compatibility and specifications before substituting.

Features

The MAX3490EESA+T is a low-power RS-485/RS-422 transceiver designed for high-speed communication in harsh environments. Key features include:
1. Wide Supply Range: Operates from a single 3.3V to 5.5V supply, providing flexibility across different systems.
2. High Data Rate: Supports data rates up to 10 Mbps, making it suitable for high-speed data transmission.
3. Low Power Consumption: Designed for low power operation, which is ideal for power-sensitive applications.
4. Fail-Safe Receiver: Includes a fail-safe mechanism that ensures the receiver output remains high when inputs are open or shorted.
5. Short-Circuit Protection: Features protection against short circuits, protecting the device from damage.
6. Thermal Shutdown: Includes thermal shutdown to protect against excessive power dissipation and overheating.
7. Extended ESD Protection: Provides enhanced Electrostatic Discharge (ESD) protection up to ±15kV, safeguarding against static discharge damage.
8. Small Package: Available in a compact 8-pin SOIC package, facilitating easy integration into various designs.
These features make the MAX3490EESA+T an ideal choice for robust and reliable data communication in industrial and commercial applications.

Pinout

The MAX3490EESA+T is an RS-485/RS-422 transceiver. It typically comes in an 8-pin SOIC package. Here is a concise description of its pin functions:
1. RO (Receiver Output): This pin provides the output signal from the receiver.
2. RE̅ (Receiver Enable): An active-low pin that enables the receiver when low. When high, the receiver is disabled.
3. DE (Driver Enable): Activates the driver when high; when low, the driver is in high-impedance state.
4. DI (Driver Input): Input pin for the data signal to be transmitted by the driver.
5. GND: Ground reference for the transceiver.
6. A (Non-inverting Receiver Input/Driver Output): Acts as one of the differential signal lines, used for both receiving and transmitting data.
7. B (Inverting Receiver Input/Driver Output): The complementary line to 'A', used for differential data communication.
8. VCC: Supply voltage for the device.
These pins collectively enable the device to facilitate half-duplex communication over differential bus lines, commonly used in industrial and communication systems for robust data transmission.

Manufacturer

The MAX3490EESA+T is manufactured by Maxim Integrated. Maxim Integrated is a company that specializes in designing, manufacturing, and marketing analog and mixed-signal integrated circuits. These ICs are used in various industries, including automotive, consumer electronics, industrial, and healthcare. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., which is a leading global high-performance analog technology company. Analog Devices focuses on designing and manufacturing semiconductor products and solutions that address a wide range of applications in sectors like communications, automotive, industrial, and consumer markets.

Application

The MAX3490EESA+T is a transceiver designed for RS-485/RS-422 communication applications. It is commonly used in industrial automation, process control, building automation, and HVAC systems. Its features make it suitable for long-distance, noise-resistant data communication in environments like factory floors and other electrically noisy areas. Additionally, it is used in applications requiring robust data transmission between multiple devices, such as in distributed sensor networks and security systems. The device's high-speed data transmission capability and low power consumption also make it ideal for use in telecommunications and data acquisition systems.

Package

The MAX3490EESA+T is an 8-pin SOIC (Small Outline Integrated Circuit) package. The "+T" indicates that it is supplied in a tape and reel format, typically for automated assembly processes.

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