規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Half |
| ReceiverHysteresis | 10 mV |
| DataRate | 20Mbps |
| Voltage-Supply | 3V ~ 3.6V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The MAX3485AEASA+T is a low-power, high-speed transceiver specifically designed for RS-485 and RS-422 communication protocols. It supports data rates up to 20 Mbps and operates on a single 3.3V supply, making it suitable for applications requiring high efficiency and fast data transmission. One of its standout features is its low-power shutdown mode, which reduces power consumption to just 1µA.
This device is built to withstand harsh electrical environments, offering a ±15kV ESD protection on the bus pins. It operates across a wide temperature range, making it versatile for industrial applications. The MAX3485AEASA+T uses fail-safe, hot-swap, and short-circuit protection features to enhance reliability and performance in complex network configurations.
The transceiver is packaged in an 8-pin SOIC format, which is compact and easy to integrate into various circuit designs. The MAX3485AEASA+T is commonly used in telecommunications, industrial automation, and any application requiring robust and reliable serial data communication.
This device is built to withstand harsh electrical environments, offering a ±15kV ESD protection on the bus pins. It operates across a wide temperature range, making it versatile for industrial applications. The MAX3485AEASA+T uses fail-safe, hot-swap, and short-circuit protection features to enhance reliability and performance in complex network configurations.
The transceiver is packaged in an 8-pin SOIC format, which is compact and easy to integrate into various circuit designs. The MAX3485AEASA+T is commonly used in telecommunications, industrial automation, and any application requiring robust and reliable serial data communication.
Equivalent
The MAX3485AEASA+T is a RS-485/RS-422 transceiver. Equivalent products include the TI SN75HVD3082E, SN65HVD485E, the NXP PCA82C250, the Analog Devices ADM485, and the STMicroelectronics ST3485E. These alternatives offer similar functionalities such as half-duplex communication, low power consumption, and support for high data rates. Ensure compatibility with specific application requirements before choosing an equivalent.
Features
The MAX3485AEASA+T is a high-performance RS-485/RS-422 transceiver known for its robust communication capabilities and low power consumption. Key features include:
1. ESD Protection: It offers high electrostatic discharge protection, ensuring durability against voltage spikes, which is crucial for industrial environments.
2. Low Power Consumption: The device is designed for low power operation, consuming minimal power in standby mode, which is ideal for battery-powered applications.
3. Wide Operating Range: It supports a wide voltage range, making it versatile for various applications.
4. High-Speed Data Transfer: Capable of data rates up to 20 Mbps, it facilitates fast and efficient data communication.
5. Failsafe Features: The transceiver has built-in fail-safe features, ensuring reliable operation even when no signals are present.
6. Slew Rate Limiting: This feature reduces EMI (Electromagnetic Interference) and allows for error-free data transmission.
7. Small Package: It comes in a compact SO-8 package, which is space-saving for PCB designs.
These features make it suitable for applications in telecommunications, networking, and industrial automation systems.
1. ESD Protection: It offers high electrostatic discharge protection, ensuring durability against voltage spikes, which is crucial for industrial environments.
2. Low Power Consumption: The device is designed for low power operation, consuming minimal power in standby mode, which is ideal for battery-powered applications.
3. Wide Operating Range: It supports a wide voltage range, making it versatile for various applications.
4. High-Speed Data Transfer: Capable of data rates up to 20 Mbps, it facilitates fast and efficient data communication.
5. Failsafe Features: The transceiver has built-in fail-safe features, ensuring reliable operation even when no signals are present.
6. Slew Rate Limiting: This feature reduces EMI (Electromagnetic Interference) and allows for error-free data transmission.
7. Small Package: It comes in a compact SO-8 package, which is space-saving for PCB designs.
These features make it suitable for applications in telecommunications, networking, and industrial automation systems.
Pinout
The MAX3485AEASA+T is an RS-485/RS-422 transceiver IC manufactured by Maxim Integrated. It is designed for high-speed communication and features a low-power shutdown mode. The IC is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a concise description of its pin functions:
1. RO (Receiver Output): Outputs the received data.
2. RE̅ (Receiver Enable): Active-low input to enable/disable the receiver.
3. DE (Driver Enable): Enables/disables the driver.
4. DI (Driver Input): Accepts the data input for transmission.
5. GND: Ground reference for the circuit.
6. A/Y (Non-Inverting Driver Output / Receiver Input): Data line output for the driver and input for the receiver.
7. B/Z (Inverting Driver Output / Receiver Input): Negative data line output for the driver and input for the receiver.
8. VCC: Supply voltage input, typically 3.3V.
The MAX3485AEASA+T supports data rates up to 20 Mbps and extends the range of communication networks, making it suitable for industrial and commercial applications.
1. RO (Receiver Output): Outputs the received data.
2. RE̅ (Receiver Enable): Active-low input to enable/disable the receiver.
3. DE (Driver Enable): Enables/disables the driver.
4. DI (Driver Input): Accepts the data input for transmission.
5. GND: Ground reference for the circuit.
6. A/Y (Non-Inverting Driver Output / Receiver Input): Data line output for the driver and input for the receiver.
7. B/Z (Inverting Driver Output / Receiver Input): Negative data line output for the driver and input for the receiver.
8. VCC: Supply voltage input, typically 3.3V.
The MAX3485AEASA+T supports data rates up to 20 Mbps and extends the range of communication networks, making it suitable for industrial and commercial applications.
Manufacturer
The MAX3485AEASA+T is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing analog and mixed-signal integrated circuits. The company provides a wide range of high-performance semiconductors to customers across diverse markets including automotive, industrial, communications, consumer, and computing. With a focus on innovation, Maxim Integrated offers products such as power management ICs, sensors, interface ICs, and amplifiers. Its acquisition by Analog Devices in 2021 expanded its capabilities and product offerings, further strengthening its position as a leading entity in the semiconductor industry.
Application
The MAX3485AEASA+T is an RS-485/RS-422 transceiver designed for high-speed communication applications. It is commonly used in industrial automation for data transmission over long distances, process control systems for reliable communication in harsh environments, and building automation for controlling and monitoring devices. The device is also suitable for use in networking applications such as point-to-point and multicircuit networks. Its low-power operation makes it ideal for portable and battery-powered equipment. Additionally, it is used in security systems and HVAC control due to its high noise immunity and robust performance. Overall, the MAX3485AEASA+T is versatile for any application requiring efficient, robust, and reliable serial communication.
Package
The MAX3485AEASA+T is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is suitable for surface-mount technology. The "+T" indicates that the device is supplied in a tape and reel format for automated assembly processes.
