The UA9668DC is a dual high-speed differential line driver designed for applications requiring reliable data transmission over balanced lines. Manufactured by Fairchild/ON Semiconductor, this device is commonly used in various communication and interface systems to ensure signal integrity and minimize noise interference. The UA9668DC features high output drive capability and fast switching speeds, making it suitable for demanding industrial and commercial environments.

Applications

• RS-422 and RS-485 communication systems
• Data transmission in noisy industrial environments
• Line driving for balanced transmission lines
• Differential bus transceivers
• High-speed data acquisition systems

Features

• Dual differential line driver
• High output drive capability
• Fast switching speeds
• Operates from a single 5V supply
• TTL compatible inputs
• Short-circuit protection
• Thermal shutdown protection

Benefits

• Improved signal integrity over long distances
• Reduced noise susceptibility due to differential transmission
• Enhanced data transmission reliability
• Simplified system design with single supply operation
• Protection against output shorts and over-temperature conditions
• Compatibility with standard TTL logic

Additional Details

The UA9668DC operates from a single 5V power supply and offers TTL-compatible inputs, facilitating easy integration with other digital circuits. Its high output drive capability ensures strong signal transmission even with long cable lengths or heavily loaded lines. The device incorporates short-circuit protection and thermal shutdown features to prevent damage in fault conditions, enhancing system reliability. The differential outputs provide common-mode noise rejection, which is crucial in noisy industrial environments. The UA9668DC is typically available in an 8-pin SOIC package, making it suitable for surface-mount assembly. The device's specifications include a propagation delay of typically 10 ns and a supply current of typically 20 mA per driver. The UA9668DC is designed to meet or exceed the requirements of industry standards for differential line drivers, ensuring compatibility and interoperability with other devices in the communication system. It offers a robust and reliable solution for data transmission in a wide range of applications.