MAX481CSA+T

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MAX481CSA+T

+BOM

IC TRANSCEIVER HALF 1/1 8SOIC

  • Nhà sản xuấtAnalog Devices Inc./Maxim tích hợp

  • Ông. Phần #MAX481CSA+T

  • Gói SOIC-8

  • Có sẵn2428

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Half
ReceiverHysteresis 70 mV
DataRate 2.5Mbps
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature 0°C ~ 70°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Tổng quan

Description

The MAX481CSA+T is a low-power, slew-rate-limited RS-485/RS-422 transceiver designed for communication in multipoint and low-power applications. It operates on a single 5V supply and features a low standby current, making it efficient for battery-powered devices. The device supports data rates up to 250 kbps, ensuring reliable data transmission over long distances.
Key features of the MAX481CSA+T include short-circuit protection, thermal shutdown, and enhanced electrostatic discharge (ESD) protection, which enhance its robustness and reliability in harsh environments. The transceiver can accommodate up to 32 transceivers on a single bus, allowing for flexible network expansion.
The MAX481CSA+T has a half-duplex configuration, meaning it can either transmit or receive data but not simultaneously, which simplifies the design and reduces costs in point-to-point or simple network setups. Additionally, the device comes in an 8-pin SOIC package, which is compact and suitable for space-constrained applications.
Overall, the MAX481CSA+T is ideal for industrial, automotive, and other applications requiring durable and efficient serial data communication.

Equivalent

The MAX481CSA+T is a low-power RS-485/RS-422 transceiver. Equivalent products include:
1. SN75176 from Texas Instruments
2. ADM485 from Analog Devices
3. SP485 from Sipex (now MaxLinear)
4. LTC485 from Linear Technology (now part of Analog Devices)
5. ST485 from STMicroelectronics
These transceivers offer similar functionalities and are used for serial communication in industrial and commercial applications. Always verify pin compatibility and electrical specifications before substituting.

Features

The MAX481CSA+T is a low-power, half-duplex RS-485/RS-422 transceiver designed for communication on multipoint bus transmission lines. Key features include:
1. Low Power Consumption: It operates on a supply voltage of 5V with a reduced power requirement, making it suitable for battery-powered applications.
2. Slew Rate Limited: The device has a slew-rate limited driver that minimizes EMI and allows error-free data transmission at data rates up to 250 kbps.
3. Fail-Safe Receiver: The receiver output is guaranteed to be a logic-high when the inputs are open or shorted.
4. Wide Common-Mode Range: The transceiver can handle a wide common-mode voltage range, ensuring reliable data communication in noisy environments.
5. Thermal Shutdown: It includes a thermal shutdown feature to protect against excessive power dissipation.
6. ESD Protection: The device has enhanced ESD protection on the bus pins.
7. Operating Temperature Range: It functions effectively over a range of -40°C to +85°C, suitable for industrial environments.
These features make the MAX481CSA+T ideal for use in industrial networks, process control, and building automation systems.

Pinout

The MAX481CSA+T is a low-power transceiver for RS-485 and RS-422 communication standards. It features an 8-pin configuration. Here is a brief description of its pin functions:
1. RO (Receiver Output): Outputs the received data.
2. RE̅ (Receiver Enable): Active-low control to enable the receiver.
3. DE (Driver Enable): Control to enable the driver (transmitter).
4. DI (Driver Input): Input for the data to be transmitted.
5. GND: Ground reference for the device.
6. A (Non-Inverting Receiver Input/Driver Output): Connects to the bus.
7. B (Inverting Receiver Input/Driver Output): Connects to the bus.
8. VCC: Power supply pin.
The MAX481CSA+T is designed for half-duplex communication, operating with minimal power consumption, and is suitable for applications where extended battery life is essential.

Manufacturer

The MAX481CSA+T is manufactured by Maxim Integrated, which is now a part of Analog Devices, Inc. Maxim Integrated was a company known for designing, manufacturing, and marketing a wide range of analog and mixed-signal integrated circuits. Their product lines included offerings in power management, interface, communications, digital, and analog circuits, among others. In August 2021, Maxim Integrated was acquired by Analog Devices, Inc., a company that specializes in the design and manufacturing of semiconductor devices, particularly in the field of analog, mixed-signal, and digital signal processing solutions. Analog Devices serves various industries, including industrial, automotive, consumer electronics, communications, and healthcare, providing solutions that bridge the physical and digital worlds to enable technologies in sensing, measuring, powering, connecting, and interpreting data.

Application

The MAX481CSA+T is a low-power RS-485/RS-422 transceiver designed for communication applications. Its key application areas include:
1. Industrial Automation: Facilitates communication in factory and process automation systems.
2. Building Automation: Used in systems like HVAC control and security systems.
3. Telecommunications: Supports data transmission in telecommunication infrastructure.
4. Networking: Used in Local Area Networks (LANs) for reliable data exchange.
5. Embedded Systems: Integrates into microcontroller-based projects requiring serial communication.
6. Remote Sensing and Data Acquisition: Transmits data from remote sensors to central systems.
7. Energy Management Systems: Enables communication within smart grids and metering systems.
Its low power consumption and wide supply voltage range make it suitable for battery-powered devices.

Package

The MAX481CSA+T is typically available in an 8-lead SOIC (Small Outline Integrated Circuit) package. The "T" denotes that the package is supplied in tape and reel format for automated assembly processes.

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