MAX4817ETE+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: RS-485/RS-422 Transceiver
• Characteristics:
  • High-speed data transmission
  • Low power consumption
  • ESD protection
  • Half-duplex communication
• Package: TDFN-16
• Essence: The MAX4817ETE+T is a high-speed transceiver designed for RS-485 and RS-422 communication protocols.
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Supply Voltage Range: +3.0V to +5.5V
• Data Rate: Up to 20Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 1
• Input Type: Differential
• Output Type: Differential
• ESD Protection: ±15kV Human Body Model

Pin Configuration

The MAX4817ETE+T has a total of 16 pins arranged as follows:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| RO RE |-- Pin 2: Receiver Output (RO) --| RI DE |-- Pin 3: Receiver Input (RI) --| DI A |-- Pin 4: Driver Input (DI) --| DE B |-- Pin 5: Driver Enable (DE) --| RE Y |-- Pin 6: Receiver Enable (RE) --| A Z |-- Pin 7: Driver Output (A) --| B Y |-- Pin 8: Driver Output (B) --| Z VCC |-- Pin 9: Positive Power Supply (VCC) |___________| ```

Functional Features

• High-speed data transmission: The MAX4817ETE+T supports data rates of up to 20Mbps, enabling fast and efficient communication.
• Low power consumption: This transceiver is designed to minimize power consumption, making it suitable for battery-powered applications.
• ESD protection: With ±15kV Human Body Model ESD protection, the MAX4817ETE+T ensures robustness against electrostatic discharge events.
• Half-duplex communication: The device supports half-duplex communication, allowing bidirectional data transfer on a single pair of wires.

Advantages and Disadvantages

Advantages: - High-speed data transmission capability - Low power consumption for energy-efficient operation - Robust ESD protection for enhanced reliability - Supports half-duplex communication, reducing wiring complexity

Disadvantages: - Limited to RS-485 and RS-422 protocols, not compatible with other communication standards - Single-channel design may not be suitable for applications requiring multiple independent channels

Working Principles

The MAX4817ETE+T is based on a differential signaling scheme, where data is transmitted as voltage differences between two lines. It uses a combination of driver and receiver circuits to convert electrical signals into a format suitable for RS-485/RS-422 communication. The driver circuit amplifies the input signal and drives it onto the transmission line, while the receiver circuit detects and amplifies the received signal for further processing.

Detailed Application Field Plans

The MAX4817ETE+T is widely used in various industrial and commercial applications that require reliable long-distance communication. Some common application fields include:

1. Industrial Automation: Used for connecting sensors, actuators, and control devices in factory automation systems.
2. Building Automation: Enables communication between different building management systems, such as HVAC, lighting, and security systems.
3. Instrumentation: Facilitates data exchange between measurement instruments and control units in scientific and engineering applications.
4. Automotive Electronics: Supports communication between different electronic modules within a vehicle, such as engine control units and infotainment systems.
5. Telecommunications: Used in networking equipment for long-distance data transmission between devices.

Detailed and Complete Alternative Models

• MAX4818ETE+T
• MAX4819ETE+T
• MAX1487EESA+
• MAX1488EESA+

These alternative models offer similar functionality to the MAX4817ETE+T and can be considered as replacements based on specific application requirements.

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