MAX308CPE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Transceiver
• Characteristics: High-speed, Low-power, RS-485/RS-422 Interface
• Package: PDIP (Plastic Dual In-line Package)
• Essence: MAX308CPE is a transceiver IC designed for RS-485 and RS-422 communication interfaces.
• Packaging/Quantity: The MAX308CPE comes in a PDIP package and is typically sold in quantities of 25 or more.

Specifications

• Supply Voltage: +4.75V to +5.25V
• Data Rate: Up to 250kbps
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 1
• Input Type: Differential
• Output Type: Differential
• Propagation Delay: 30ns (typical)

Pin Configuration

The MAX308CPE has a 16-pin PDIP package with the following pin configuration:

Pin 1: DE (Driver Output Enable) Pin 2: /RE (Receiver Output Enable) Pin 3: A (Non-Inverting Driver Input) Pin 4: B (Inverting Driver Input) Pin 5: GND (Ground) Pin 6: B (Inverting Receiver Output) Pin 7: A (Non-Inverting Receiver Output) Pin 8: VCC (+5V Power Supply) Pin 9: Y (Inverting Driver Output) Pin 10: Z (Non-Inverting Driver Output) Pin 11: /RE (Receiver Output Enable) Pin 12: DE (Driver Output Enable) Pin 13: Z (Non-Inverting Receiver Output) Pin 14: Y (Inverting Receiver Output) Pin 15: GND (Ground) Pin 16: VCC (+5V Power Supply)

Functional Features

• Supports RS-485 and RS-422 communication standards
• High-speed data transmission up to 250kbps
• Low-power consumption
• Differential signaling for noise immunity
• Driver output and receiver input enable/disable control

Advantages and Disadvantages

Advantages: - High-speed data transmission capability - Low-power consumption - Noise immunity due to differential signaling - Enable/disable control for driver output and receiver input

Disadvantages: - Limited to single-channel communication - Requires external components for complete functionality

Working Principles

The MAX308CPE is designed to facilitate reliable communication over long distances using the RS-485 and RS-422 standards. It employs differential signaling, where data is transmitted as the voltage difference between two lines, providing better noise immunity compared to single-ended signaling.

The transceiver has separate driver and receiver sections. The driver section converts logic-level signals into differential voltages suitable for transmission over long distances. The receiver section receives the differential signals and converts them back into logic-level signals.

The MAX308CPE also features enable/disable control for both the driver and receiver sections, allowing the user to control the flow of data.

Detailed Application Field Plans

The MAX308CPE is commonly used in various applications that require reliable long-distance communication, such as:

1. Industrial automation systems
2. Building automation and control systems
3. Data acquisition systems
4. Instrumentation and measurement equipment
5. Security systems
6. HVAC (Heating, Ventilation, and Air Conditioning) control systems

Detailed and Complete Alternative Models

Here are some alternative models that can be considered as alternatives to the MAX308CPE:

1. SN75176 - RS-485 Transceiver IC
2. MAX485 - RS-485/RS-422 Transceiver IC
3. LTC485 - Low Power RS-485 Transceiver

These alternative models offer similar functionality and can be used as replacements for the MAX308CPE in various applications.

In conclusion, the MAX308CPE is a high-speed, low-power transceiver IC designed for RS-485 and RS-422 communication interfaces. It offers reliable long-distance communication with its differential signaling and enable/disable control features. With its wide range of applications and availability of alternative models, the MAX308CPE is a versatile choice for many electronic systems.