MAX3485ESA+T

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MAX3485ESA+T

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IC TRANSCEIVER HALF 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 Half
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 MAX3485ESA+T is a high-speed, low-power RS-485/RS-422 transceiver designed for communication in industrial environments. It is part of the MAX3485 family, offering full-duplex communication capabilities. Key features include a wide operating voltage range of 3.0V to 3.6V, making it suitable for systems powered by 3.3V supplies.
The device supports data transmission rates up to 10 Mbps, catering to high-speed data communication requirements. It features a low-power shutdown mode, reducing current consumption to less than 1µA, and includes a driver-enable and receiver-enable pin for precise control over data flow.
The MAX3485ESA+T has a fail-safe feature that ensures the receiver outputs a known state when the bus is idle, open, or shorted. It provides robust protection against electrostatic discharge (ESD) with a tolerance of ±15kV on the bus pins. The device comes in an 8-pin SOIC package, suitable for tight-space applications.
Overall, the MAX3485ESA+T is ideal for applications requiring reliable and efficient data transmission over long distances in noisy environments, such as industrial automation and process control.

Equivalent

The MAX3485ESA+T is a low-power RS-485/RS-422 transceiver. Equivalent products include:
1. Texas Instruments SN75176B
2. Texas Instruments SN65HVD3082E
3. Analog Devices ADM3485
4. STMicroelectronics ST3485E
5. ON Semiconductor NC7WZ17
These alternatives have similar functionalities, such as half-duplex communication and low power consumption, but check specific parameters to ensure compatibility with your application.

Features

The MAX3485ESA+T is a high-performance RS-485/RS-422 transceiver designed for robust communication in harsh environments. Key features include:
1. Low-Power Operation: Operates from a single 3.3V supply with low power consumption, making it suitable for battery-powered and power-sensitive applications.
2. High-Speed Data Rate: Capable of supporting data rates up to 10 Mbps, allowing for fast transmission of data over long distances.
3. ESD Protection: Provides enhanced electrostatic discharge protection up to ±15kV, ensuring durability and reliability in electrically noisy environments.
4. Fail-Safe Protection: Includes fail-safe circuitry to guarantee a logic-high output when inputs are open, shorted, or terminated but idle.
5. Extended Temperature Range: Operates over an industrial temperature range of -40°C to +85°C, suitable for a wide range of applications.
6. Small Package: Available in an 8-pin SOIC package, facilitating easy integration into space-constrained designs.
These features make the MAX3485ESA+T ideal for use in industrial automation, building automation, and other applications requiring reliable data communication.

Pinout

The MAX3485ESA+T is an 8-pin RS-485/RS-422 transceiver. It is used for communication in industrial networks, featuring differential signaling for noise immunity and long-distance data transmission.
Pin Count: 8 pins
Functions of Pins:
1. RO (Pin 1): Receiver Output. It outputs the received data.
2. RE̅ (Pin 2): Receiver Enable. Active low input to enable the receiver.
3. DE (Pin 3): Driver Enable. Active high input to enable the driver.
4. DI (Pin 4): Driver Input. It takes the data to be transmitted.
5. GND (Pin 5): Ground. Common ground reference for the device.
6. A/Y (Pin 6): Non-inverting Driver Output/Receiver Input. Transmits data or receives incoming signals.
7. B/Z (Pin 7): Inverting Driver Output/Receiver Input. Complements pin A/Y.
8. Vcc (Pin 8): Supply Voltage. Provides power to the device (typically 3.0V to 3.6V).
The MAX3485ESA+T supports half-duplex communication and is suitable for high-speed data transmission in electrically noisy environments.

Manufacturer

The MAX3485ESA+T is manufactured by Maxim Integrated, which is part of Analog Devices, Inc. Maxim Integrated is well-known for designing, manufacturing, and marketing a wide range of analog and mixed-signal integrated circuits (ICs). The company focuses on providing high-performance solutions for a variety of applications, including communications, consumer electronics, industrial, and automotive markets. As a leader in the semiconductor industry, Maxim Integrated offers products that serve data conversion, power management, interface, and many other functions critical to modern electronic systems. In August 2021, Analog Devices completed its acquisition of Maxim Integrated, further expanding its portfolio and capabilities in the semiconductor sector.

Application

The MAX3485ESA+T is a transceiver designed for RS-485 and RS-422 communication applications. It is typically used in areas such as industrial automation, process control, and building automation systems. It can be applied in networking devices, point-of-sale (POS) systems, and in systems requiring reliable high-speed data communication over long distances. Its robustness and ability to handle noise make it suitable for harsh environments, such as HVAC systems, security systems, and motor control. Additionally, it's used in applications that require communication between microcontrollers and peripherals, or in any system utilizing differential signaling for improved noise immunity.

Package

The MAX3485ESA+T is a surface-mount device in an 8-pin SOIC (Small Outline Integrated Circuit) package. It is part of the MAX3485 series, which are RS-485/RS-422 transceivers designed for communication over long distances in noisy environments. The "+T" indicates it comes in a tape-and-reel format for automated assembly.

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