The SN75189 from Texas Instruments is a high-performance quadruple line receiver designed to satisfy the stringent requirements of the standard interface between data terminal equipment and data communication equipment as specified by TIA/EIA-232-F. A robust and versatile component, the SN75189 is engineered to operate at a wide range of power supply voltages, from 4.5V to 5.5V, making it a suitable choice for a variety of digital communication systems.

Key Features

• Interface Standards: Meets TIA/EIA-232-F and ITU recommendation V.28.
• Supply Voltage Range: Operates from a single 5V supply, with a range of 4.5V to 5.5V.
• Input Resistance: 3 kΩ to 7 kΩ, ensuring compatibility with a broad range of signal sources.
• Sensitivity: Capable of recognizing ±200 mV over-input signal range, providing reliable performance even in noisy environments.
• Input Hysteresis: Typically 500 mV, offering enhanced noise immunity.
• Speed: Designed for data rates typically up to 20 kbps, suitable for many serial communication applications.
• Power Consumption: Low power requirements, with a typical supply current of 24 mA.

Applications

The SN75189 is an ideal choice for a multitude of applications that require reliable data reception. It is commonly used in:

• Serial data communication in computing systems
• Modem interfaces
• Industrial control systems
• Instrumentation and measurement equipment

Quality and Reliability

Texas Instruments is dedicated to maintaining the highest standards of quality and reliability in its products. The SN75189 line receiver is no exception, undergoing rigorous testing and quality assurance processes to ensure it meets the industry's demanding specifications. With its durable design and proven performance, the SN75189 is a component you can trust for critical data communication tasks.