規格
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概述
Description
The MAX483EESA is a low-power, half-duplex RS-485/RS-422 transceiver designed for communication over long distances and in electrically noisy environments. Operating from a single 5V supply, it features a driver and a receiver that enable data transmission over twisted-pair cabling. The MAX483EESA is designed to ensure reliable data integrity and robust communication with a slew-rate-limited driver that minimizes EMI, making it suitable for use in industrial and commercial applications.
Key features of the MAX483EESA include a low quiescent current, typically consuming just 120 µA, and a fail-safe receiver that ensures the output remains high when the input is open or shorted. The device supports data rates up to 250 kbps, making it ideal for moderate-speed applications. Additionally, the MAX483EESA offers a thermal shutdown feature to protect against overheating conditions. With its compact 8-pin SOIC package, it is easy to integrate into various circuit designs requiring reliable RS-485 communication.
Key features of the MAX483EESA include a low quiescent current, typically consuming just 120 µA, and a fail-safe receiver that ensures the output remains high when the input is open or shorted. The device supports data rates up to 250 kbps, making it ideal for moderate-speed applications. Additionally, the MAX483EESA offers a thermal shutdown feature to protect against overheating conditions. With its compact 8-pin SOIC package, it is easy to integrate into various circuit designs requiring reliable RS-485 communication.
Equivalent
The MAX483EESA is a low-power RS-485/RS-422 transceiver. Equivalent products include:
1. TI SN75176A
2. TI SN65HVD485E
3. ADM485 by Analog Devices
4. LTC485 by Linear Technology (now Analog Devices)
5. SP485E by Sipex (now MaxLinear)
These alternatives offer similar functionality for serial communication in industrial, commercial, and consumer applications.
1. TI SN75176A
2. TI SN65HVD485E
3. ADM485 by Analog Devices
4. LTC485 by Linear Technology (now Analog Devices)
5. SP485E by Sipex (now MaxLinear)
These alternatives offer similar functionality for serial communication in industrial, commercial, and consumer applications.
Features
The MAX483EESA is a low-power transceiver for RS-485 and RS-422 communication. Key features include:
1. Low Power Consumption: Operates with minimal power, suitable for battery-powered and energy-efficient applications.
2. High Data Rate: Supports data rates up to 250 kbps.
3. Wide Operating Voltage Range: Compatible with a wide supply voltage range, typically 5V.
4. Failsafe Receiver: Ensures receiver outputs remain stable in the absence of input signals.
5. Low-Current Shutdown Mode: Reduces power consumption further when the device is not active.
6. Short-Circuit Protection: Protects against short circuits on the bus lines, safeguarding the device.
7. Thermal Shutdown: Provides additional protection by shutting down the device if the temperature exceeds safe limits.
8. ESD Protection: Offers enhanced electrostatic discharge protection for robust operation in challenging environments.
9. Extended Temperature Range: Suitable for industrial applications with a wide operating temperature range.
These features make the MAX483EESA ideal for use in industrial and commercial applications requiring reliable and efficient serial communication.
1. Low Power Consumption: Operates with minimal power, suitable for battery-powered and energy-efficient applications.
2. High Data Rate: Supports data rates up to 250 kbps.
3. Wide Operating Voltage Range: Compatible with a wide supply voltage range, typically 5V.
4. Failsafe Receiver: Ensures receiver outputs remain stable in the absence of input signals.
5. Low-Current Shutdown Mode: Reduces power consumption further when the device is not active.
6. Short-Circuit Protection: Protects against short circuits on the bus lines, safeguarding the device.
7. Thermal Shutdown: Provides additional protection by shutting down the device if the temperature exceeds safe limits.
8. ESD Protection: Offers enhanced electrostatic discharge protection for robust operation in challenging environments.
9. Extended Temperature Range: Suitable for industrial applications with a wide operating temperature range.
These features make the MAX483EESA ideal for use in industrial and commercial applications requiring reliable and efficient serial communication.
Pinout
The MAX483EESA is a low-power RS-485/RS-422 transceiver. It has an 8-pin configuration, with each pin serving specific functions:
1. RO (Pin 1): Receiver Output - Outputs the received data.
2. RE̅̅ (Pin 2): Receiver Output Enable - Active low; enables the receiver output when low.
3. DE (Pin 3): Driver Output Enable - Activates the driver outputs when high.
4. DI (Pin 4): Driver Input - Accepts data to be transmitted.
5. GND (Pin 5): Ground - Common ground reference for the transceiver.
6. A (Pin 6): Non-inverting Driver Output / Receiver Input.
7. B (Pin 7): Inverting Driver Output / Receiver Input.
8. VCC (Pin 8): Positive Supply Voltage - Powers the transceiver.
This IC provides half-duplex communication with low power consumption, typically used for networked digital systems. It is designed to operate at rates up to 250 kbps and is suitable for industrial environments.
1. RO (Pin 1): Receiver Output - Outputs the received data.
2. RE̅̅ (Pin 2): Receiver Output Enable - Active low; enables the receiver output when low.
3. DE (Pin 3): Driver Output Enable - Activates the driver outputs when high.
4. DI (Pin 4): Driver Input - Accepts data to be transmitted.
5. GND (Pin 5): Ground - Common ground reference for the transceiver.
6. A (Pin 6): Non-inverting Driver Output / Receiver Input.
7. B (Pin 7): Inverting Driver Output / Receiver Input.
8. VCC (Pin 8): Positive Supply Voltage - Powers the transceiver.
This IC provides half-duplex communication with low power consumption, typically used for networked digital systems. It is designed to operate at rates up to 250 kbps and is suitable for industrial environments.
Manufacturer
The MAX483EESA is manufactured by Maxim Integrated, which is now a part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing analog and mixed-signal integrated circuits. The company specializes in power management, interface, and communications circuits, among other semiconductor solutions. Maxim Integrated's products are used in a wide range of applications, including consumer electronics, automotive, industrial, and healthcare sectors. As part of Analog Devices, the company continues to focus on innovation in the semiconductor industry, providing solutions that enhance the performance and efficiency of electronic systems.
Application
The MAX483EESA is a low-power, half-duplex RS-485/RS-422 transceiver commonly used in communication interfaces. It is ideal for applications requiring robust data transmission over long distances and in electrically noisy environments. Key application areas include industrial automation, process control networks, HVAC systems, building automation, and remote meter reading. Its low power consumption makes it suitable for battery-powered and portable devices. Additionally, the device is often used in networking equipment, security systems, and in devices requiring reliable serial data communication. Its ability to operate over a wide voltage range and its immunity to electrical noise further expand its application in harsh environments.
Package
The MAX483EESA is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package.