MAX3480EBEPI+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX3480EBEPI+ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for communication purposes, specifically for RS-485/RS-422 applications.

Characteristics

• The MAX3480EBEPI+ is a low-power transceiver that operates with a single 3.3V power supply.
• It features a high slew rate, allowing for fast data transmission.
• This transceiver has a wide common-mode voltage range, making it suitable for various industrial and automotive applications.
• It offers excellent noise immunity, ensuring reliable data communication in noisy environments.

Package

The MAX3480EBEPI+ comes in an industry-standard 20-pin SSOP package.

Essence

The essence of this product lies in its ability to facilitate robust and efficient serial communication over long distances.

Packaging/Quantity

The MAX3480EBEPI+ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 3.3V
• Data Rate: Up to 250kbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 20
• ESD Protection: ±15kV (Human Body Model)

Detailed Pin Configuration

1. DE (Driver Output Enable)
2. RE (Receiver Output Enable)
3. DI (Driver Input)
4. RO (Receiver Output)
5. A (Non-Inverting Driver Input/Receiver Output)
6. B (Inverting Driver Input/Receiver Output)
7. GND (Ground)
8. VCC (Power Supply)
9. Y (Non-Inverting Receiver Input)
10. Z (Inverting Receiver Input)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)
17. NC (No Connection)
18. NC (No Connection)
19. NC (No Connection)
20. NC (No Connection)

Functional Features

• Full-duplex or half-duplex communication modes.
• Low power consumption, ideal for battery-powered applications.
• Short-circuit and thermal shutdown protection.
• Receiver input failsafe feature ensures a known output state when inputs are open or shorted.

Advantages and Disadvantages

Advantages

• Wide common-mode voltage range allows for versatile application in various industries.
• Excellent noise immunity ensures reliable data transmission in noisy environments.
• Low power consumption extends battery life in portable devices.
• Integrated protection features enhance the durability of the transceiver.

Disadvantages

• Limited maximum data rate compared to some other transceivers on the market.
• The 20-pin package may require more board space compared to smaller packages.

Working Principles

The MAX3480EBEPI+ operates based on the RS-485/RS-422 standard. It uses differential signaling to transmit and receive data over long distances. The driver section converts logic-level signals into balanced differential voltages, while the receiver section converts the received differential signals back into logic-level signals. This differential signaling technique provides high noise immunity and enables reliable communication over long cable lengths.

Detailed Application Field Plans

The MAX3480EBEPI+ finds extensive use in various industrial automation systems, including: - Building automation - Process control - Factory automation - HVAC systems - Motor control - Robotics

Additionally, it is suitable for automotive applications such as: - Vehicle diagnostics - In-vehicle networks - Automotive control systems

Detailed and Complete Alternative Models

1. MAX3481EBEPI+: Similar to MAX3480EBEPI+, but with a higher data rate of up to 2.5Mbps.
2. MAX485EESA+: A lower-power alternative with a wide supply voltage range and extended temperature range.
3. SN65HVD485EDR: Another RS-485 transceiver with enhanced ESD protection and low power consumption.

These alternative models offer similar functionality and can be considered based on specific application requirements.

In conclusion, the MAX3480EBEPI+ is a versatile and reliable RS-485/RS-422 transceiver suitable for various industrial and automotive applications. Its excellent noise immunity, low power consumption, and integrated protection features make it an ideal choice for robust serial communication over long distances.