DS34C87TMX/NOPB

Product Overview

• Category: Integrated Circuit
• Use: Line Driver/Receiver
• Characteristics: High-speed, Low-power, Differential Signaling
• Package: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: Transceiver IC for RS-485/RS-422 Communication
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 20 Mbps
• Number of Channels: 4
• Input Thresholds: ±200mV
• Output Current: ±60mA
• ESD Protection: ±15kV (Human Body Model)

Pin Configuration

The DS34C87TMX/NOPB has a 16-pin SOIC package with the following pin configuration:

1. RO1 - Receiver Output 1
2. RE1 - Receiver Enable 1
3. DE - Driver Enable
4. DI - Driver Input
5. GND - Ground
6. DI - Driver Input
7. DE - Driver Enable
8. RE1 - Receiver Enable 1
9. RO1 - Receiver Output 1
10. VCC - Power Supply
11. RO2 - Receiver Output 2
12. RE2 - Receiver Enable 2
13. RE3 - Receiver Enable 3
14. RO3 - Receiver Output 3
15. RO4 - Receiver Output 4
16. RE4 - Receiver Enable 4

Functional Features

• High-speed data transmission using differential signaling
• Supports both RS-485 and RS-422 communication standards
• Low power consumption for energy-efficient operation
• Built-in ESD protection for enhanced reliability
• Four independent channels for versatile applications

Advantages and Disadvantages

Advantages: - High-speed data transfer up to 20 Mbps - Low power consumption for energy efficiency - Robust ESD protection for improved reliability - Versatile with support for RS-485 and RS-422 standards

Disadvantages: - Limited number of channels (4) - Requires external components for complete communication system

Working Principles

The DS34C87TMX/NOPB is a line driver/receiver IC designed for high-speed data transmission using differential signaling. It operates as a transceiver, allowing bidirectional communication between devices using the RS-485 or RS-422 standards.

The driver section of the IC converts the logic-level input signals into differential output signals suitable for long-distance transmission. The receiver section receives the differential signals and converts them back into logic-level signals.

The IC features built-in ESD protection, ensuring reliable operation in harsh environments. It also offers low power consumption, making it suitable for battery-powered applications.

Detailed Application Field Plans

The DS34C87TMX/NOPB is widely used in various applications that require robust and high-speed communication over long distances. Some common application fields include:

1. Industrial Automation: Used in industrial control systems, PLCs (Programmable Logic Controllers), and factory automation equipment.
2. Building Automation: Employed in HVAC (Heating, Ventilation, and Air Conditioning) systems, access control systems, and lighting control systems.
3. Transportation: Utilized in railway signaling, traffic control systems, and vehicle communication networks.
4. Telecommunications: Integrated into communication infrastructure equipment, such as base stations and network switches.
5. Renewable Energy: Applied in solar power systems, wind turbines, and smart grid communication.

Detailed and Complete Alternative Models

1. MAX3485ESA+: Similar specifications and functionality, available in a 8-pin SOIC package.
2. SN65HVD485EDR: Compatible with RS-485 standard, available in a 8-pin SOIC package.
3. LTC2854IGN#PBF: Low power consumption, supports RS-485 and RS-422 standards, available in a 16-pin SSOP package.

These alternative models offer similar features and can be considered as substitutes for the DS34C87TMX/NOPB depending on specific requirements and design constraints.

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