DS75176BTN/NOPB

Product Overview

• Category: Integrated Circuit
• Use: RS-485/RS-422 Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Facilitates reliable long-distance data transmission in industrial applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Data Rate: Up to 10 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Drivers/Receivers: 1 Driver, 1 Receiver
• Half-Duplex Communication: Yes
• ESD Protection: ±15kV Human Body Model

Detailed Pin Configuration

1. DE (Driver Enable)
2. /RE (Receiver Enable)
3. A (Non-Inverting Data Line)
4. B (Inverting Data Line)
5. GND (Ground)
6. Y (Receiver Output)
7. Z (Driver Output)
8. VCC (Supply Voltage)

Functional Features

• Supports RS-485 and RS-422 standards
• Allows multiple transceivers on the bus
• Enables long-distance communication up to 1200 meters
• Provides fail-safe receiver inputs for open-circuit conditions
• Low power consumption in standby mode
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High-speed data transmission - Robust and reliable communication in noisy environments - Flexible bus topology with multiple devices - Low power consumption

Disadvantages: - Limited to half-duplex communication - Requires external termination resistors for proper operation - Not suitable for high-voltage applications

Working Principles

The DS75176BTN/NOPB is a half-duplex transceiver that facilitates bidirectional communication over twisted-pair cables. It uses differential signaling to transmit data, providing noise immunity and long-distance capabilities. The driver section converts logic-level signals into balanced differential voltages, while the receiver section converts the received differential signals back into logic levels.

The transceiver operates in either transmit or receive mode based on the control signals applied to the DE and /RE pins. When transmitting, the driver output (Z) is enabled, and the receiver output (Y) is disabled. Conversely, when receiving, the driver output is disabled, and the receiver output is enabled.

Detailed Application Field Plans

The DS75176BTN/NOPB is widely used in various industrial applications that require reliable long-distance data transmission. Some common application fields include:

1. Industrial Automation: Used for communication between PLCs (Programmable Logic Controllers), sensors, and actuators in factory automation systems.
2. Building Automation: Enables communication between HVAC (Heating, Ventilation, and Air Conditioning) systems, lighting controls, and other building management devices.
3. Process Control: Facilitates data exchange between control systems and field devices in industries such as oil and gas, chemical, and power generation.
4. Transportation Systems: Allows communication between different subsystems in vehicles, trains, and traffic control systems.
5. Renewable Energy: Used in solar power plants and wind farms for monitoring and control of inverters, sensors, and energy storage systems.

Detailed and Complete Alternative Models

1. MAX485 - RS-485/RS-422 Transceiver
2. SN75176 - RS-485 Transceiver
3. LTC1480 - Low Power RS-485 Transceiver
4. ADM485 - Half-Duplex RS-485 Transceiver
5. SP3485 - Full-Duplex RS-485 Transceiver

(Note: The above list is not exhaustive and there are several other alternative models available in the market.)

This comprehensive entry provides an overview of the DS75176BTN/NOPB RS-485/RS-422 transceiver, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models. With its high-speed, low-power characteristics, this integrated circuit is a reliable choice for long-distance data communication in various industrial applications.