MAX14770EESA+T

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MAX14770EESA+T

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IC TRANSCEIVER HALF 1/1 8SOIC

  • FabricanteAnalog Devices Inc./Maxim Integrated

  • Peça do Fabricante #MAX14770EESA+T

  • Ficha Técnica MAX14770EESA+T DataSheet

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Especificações

Atributo Valor
Part Status Active
Type Transceiver
Protocol RS422, RS485
Number of Drivers/Receivers 1/1
Duplex Half
Receiver Hysteresis 50 mV
Data Rate 20Mbps
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number MAX14770

Visão Geral

Description

The MAX14770EESA+T is a robust, isolated RS-485/RS-422 transceiver designed by Maxim Integrated (now part of Analog Devices). It provides galvanic isolation between the logic-level interface and the bus lines to protect sensitive components from high voltage transients. This transceiver is particularly suitable for industrial applications where strong electromagnetic interference is present or where ground potential differences need to be managed safely.
The device features integrated protection circuits, including thermal shutdown and ±15kV IEC 61000-4-2 ESD protection on the bus pins. It operates over a wide power supply range and supports data rates up to 500 kbps, making it versatile for different communication requirements.
The MAX14770EESA+T comes in a compact SOIC-16 package, suitable for space-constrained designs. Its low power consumption and high isolation voltage make it ideal for use in applications like industrial automation, process control, and building management systems. The "+T" suffix signifies that the component is delivered in tape-and-reel packaging, facilitating automated assembly processes.

Equivalent

The MAX14770EESA+T is a quad bidirectional logic-level translator. Equivalent products include the TI TXS0104E, NXP 74LVC8T245, and the ADG3304 from Analog Devices. These alternatives offer similar voltage translation capabilities and bidirectional communication suitable for interfacing different logic levels in digital circuits. Always verify the specific application requirements and electrical specifications to ensure compatibility.

Features

The MAX14770EESA+T is a robust, high-speed, half-duplex RS-485/RS-422 transceiver designed for reliable data transmission in harsh environments. It operates over a wide voltage range from 3V to 5.5V and supports data rates up to 25Mbps. Key features include:
1. Fault Protection: It offers ±60V fault protection, safeguarding the device against wiring faults.
2. ESD Protection: The device boasts an impressive ±35kV ESD protection on the bus pins, enhancing durability against electrostatic discharge.
3. High Speed: With a maximum data rate of 25Mbps, it is suitable for high-speed communication applications.
4. Low Power Consumption: The device features a low quiescent current, making it energy efficient.
5. Fail-Safe: Ensures a fail-safe receiver input design, which guarantees a logic-high output when the inputs are open or shorted.
6. Thermal Shutdown: It includes thermal shutdown protection, preventing damage from excessive temperature.
7. Industry Standard Compliance: Compatible with RS-485 and RS-422 standards, it facilitates integration into existing systems.
These features make the MAX14770EESA+T ideal for industrial, automotive, and building automation applications.

Pinout

The MAX14770EESA+T is an RS-485/RS-422 transceiver designed for robust communication in noisy environments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of the functions of each pin:
1. RO (Receiver Output): Outputs the received data.
2. RE (Receiver Enable): Active-low input to enable/disable the receiver.
3. DE (Driver Enable): Active-high input to enable/disable the driver.
4. DI (Driver Input): Accepts the data to be transmitted.
5. GND: Ground reference for the circuit.
6. A (Non-inverting Driver Output/Receiver Input): Used for differential signaling.
7. B (Inverting Driver Output/Receiver Input): Used for differential signaling.
8. VCC: Supply voltage for the device.
The MAX14770EESA+T is optimized for low power consumption and features high ESD protection, making it suitable for industrial and commercial applications where robust data communication over many nodes is required.

Manufacturer

The MAX14770EESA+T is manufactured by Maxim Integrated. Maxim Integrated is a company known for designing, manufacturing, and selling analog and mixed-signal integrated circuits. The company provides products and solutions across various markets, including industrial, automotive, consumer, and communications sectors. Maxim Integrated focuses on semiconductor technologies and provides a wide range of integrated solutions that include power management, sensor, interface, communications, and microcontroller products. In 2021, Maxim Integrated became a part of Analog Devices, Inc., a company recognized for its high-performance analog technology and digital signal processing solutions.

Application

The MAX14770EESA+T is a robust RS-485/RS-422 transceiver used in industrial communication applications. It is suitable for areas where reliable data transmission over long distances is needed. Key application areas include factory automation, process control, building automation, and energy management systems. Its high ESD protection and fault tolerance make it ideal for harsh environments. Additionally, it is used in security and surveillance systems, as well as in transportation and telecommunications infrastructure where consistent and resilient data communication is critical.

Package

The MAX14770EESA+T is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The "+T" typically indicates that the component is supplied in a tape and reel format for automated assembly processes.

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