MAX489ESD+T

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MAX489ESD+T

+Nomenclature

IC TRANSCEIVER FULL 1/1 14SOIC

  • FabricantAnalog Equipment GmbH / intégration Maxim

  • Pièce fabricant #MAX489ESD+T

  • Package SOIC-14

  • En stock1460

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Spécifications

Attribut Valeur
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)

Présentation

Description

The MAX489ESD+T is a robust, low-power, and high-speed RS-485/RS-422 transceiver designed by Maxim Integrated (now part of Analog Devices). It is specifically engineered for reliable data communication in electrically noisy environments, providing enhanced electrostatic discharge (ESD) protection. The transceiver features a half-duplex communication mode, enabling bidirectional data transmission over a single pair of twisted cables.
Key features include:
1. Low Power Consumption: It operates on a single 5V supply, consuming minimal power, which is ideal for battery-powered and energy-sensitive applications.

2. High Data Rates: The device supports data rates up to 2.5 Mbps, facilitating fast data transmission in industrial and commercial applications.
3. ESD Protection: It boasts high ESD protection levels on the bus pins, safeguarding the device against voltage spikes and ensuring long-term reliability.
4. Thermal Shutdown: Built-in thermal shutdown protects the transceiver from overheating.
5. Compact Package: The device is available in a space-saving package, suitable for compact circuit design.
This makes the MAX489ESD+T a versatile choice for applications requiring robust, high-speed data communication.

Equivalent

The MAX489ESD+T is a low-power RS-485/RS-422 transceiver. Equivalent products include the SN75176B from Texas Instruments, the SP485E from MaxLinear, the ADM485 from Analog Devices, and the LTC485 from Analog Devices. These components perform similar functions with slight variations in specifications, so it's important to compare key parameters like data rate, supply voltage, and temperature range to ensure compatibility with your specific application.

Features

The MAX489ESD+T is a low-power transceiver for RS-485/RS-422 communication. Key features include:
1. Low Power Consumption: The device consumes minimal power, making it suitable for battery-operated applications.

2. High Data Rate: It supports data rates up to 2.5Mbps, providing efficient data transmission.
3. ESD Protection: Offers robust ±15kV ESD protection on the bus pins, ensuring reliability in harsh environments.
4. Full-Duplex Communication: The transceiver supports full-duplex operation, enabling simultaneous two-way data transmission.
5. Wide Supply Range: It operates over a wide voltage range from 4.75V to 5.25V.
6. Fail-Safe Receiver: The receiver features a fail-safe mechanism that ensures a defined output when the inputs are open or shorted.
7. Reduced Slew Rate: Limits EMI and reduces reflections caused by improperly terminated cables.
8. Small Package: Comes in a compact package suitable for space-constrained applications.
These features make the MAX489ESD+T ideal for industrial networking, process control, and other applications requiring reliable and efficient serial communication.

Pinout

The MAX489ESD+T is an RS-485/RS-422 transceiver designed for balanced data transmission, typically used in industrial and communication applications. It has an 8-pin configuration. Here’s a brief overview of its pin functions:
1. RO (Receiver Output): Outputs the received data.
2. RE (Receiver Enable): Active-low input that enables the receiver when low.
3. DE (Driver Enable): Active-high input that enables the driver when high.
4. DI (Driver Input): Accepts data to be transmitted.
5. GND: Ground reference for the device.
6. A (Non-inverting Driver Output/Receiver Input): Used for transmitting and receiving data.
7. B (Inverting Driver Output/Receiver Input): Used for transmitting and receiving data.
8. VCC: Power supply pin for the device.
This transceiver features low power consumption, ESD protection, and operates over a wide voltage range, making it suitable for various robust communication applications.

Manufacturer

The MAX489ESD+T is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated was known for designing, manufacturing, and selling analog and mixed-signal integrated circuits for a range of industries. Analog Devices, Inc., the parent company, is a well-established global leader in the field of semiconductor technology, providing solutions that bridge the physical and digital worlds. The company is renowned for its focus on high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in various applications, including industrial, automotive, communication, healthcare, and consumer electronics.

Application

The MAX489ESD+T is a low-power RS-485/RS-422 transceiver designed for robust communication in industrial and commercial applications. It is commonly used in areas such as automated utility meter reading, industrial control systems, building automation, and environmental monitoring systems. Its key features include enhanced electrostatic discharge (ESD) protection, low-power consumption, and the ability to drive long communication lines, making it suitable for use in noisy environments and over extended distances. Its compatibility with both RS-485 and RS-422 protocols allows for versatile integration into systems requiring reliable differential data transmission.

Package

The MAX489ESD+T is a surface-mount device (SMD) and typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The "+T" indicates it is supplied in a tape-and-reel format, which is suitable for automated assembly processes.

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