STMicroelectronics

UA748CDT

UA748CDT Description

The UA748CDT is a general-purpose operational amplifier (op-amp) manufactured by STMicroelectronics. This IC is designed for a wide range of applications due to its versatile performance characteristics. It features a maximum supply voltage span of 40 V and a minimum supply voltage span of 10 V, making it suitable for various power supply configurations. The op-amp has a gain bandwidth product of 1 MHz, providing stable performance across a broad frequency range. With a slew rate of 0.5 V/µs, it can handle fast signal transitions efficiently.

The UA748CDT operates within a temperature range of 0°C to 70°C, ensuring reliable performance in typical industrial and commercial environments. It has a low input bias current of 70 nA, which minimizes the impact on sensitive input signals. The supply current is 1.8 mA, contributing to efficient power usage. The input offset voltage is 2 mV, ensuring accurate signal processing. The device can source or sink up to 30 mA per channel, making it capable of driving moderate loads.

Packaged in an 8-SOIC format and available in tape and reel (TR) for surface mount applications, the UA748CDT is designed for easy integration into modern electronic circuits. Despite being marked as obsolete, the UA748CDT remains a reliable choice for applications where its specific performance characteristics are required. It is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met.

UA748CDT Features

• Wide Supply Voltage Range: Operates from 10 V to 40 V, offering flexibility in power supply design.
• High Gain Bandwidth Product: 1 MHz ensures stable amplification across a broad frequency spectrum.
• Low Input Bias Current: 70 nA minimizes loading effects on high-impedance sources.
• Moderate Slew Rate: 0.5 V/µs allows for efficient handling of fast signal transitions.
• Low Supply Current: 1.8 mA contributes to energy-efficient designs.
• Low Input Offset Voltage: 2 mV ensures accurate signal processing.
• High Output Current Capability: 30 mA per channel enables driving of moderate loads.
• Surface Mount Compatibility: 8-SOIC package and tape & reel (TR) format facilitate easy integration into PCB designs.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring regulatory standards are met.

UA748CDT Applications

The UA748CDT is ideal for a variety of general-purpose applications, including:

• Signal Conditioning: Amplifying and processing analog signals in industrial control systems.
• Filter Design: Implementing active filters for signal processing applications.
• Sensor Interfaces: Amplifying signals from sensors with high input impedance.
• Power Supply Control: Stabilizing voltage and current in power supply circuits.
• Audio Amplification: Driving small speakers or audio signals in consumer electronics.

Conclusion of UA748CDT

The UA748CDT, despite being marked as obsolete, remains a robust and reliable operational amplifier suitable for a wide range of applications. Its wide supply voltage range, high gain bandwidth product, and low input bias current make it an excellent choice for general-purpose amplification tasks. The device's moderate slew rate and high output current capability further enhance its versatility. With its surface mount compatibility and environmental compliance, the UA748CDT is well-suited for modern electronic designs where its specific performance characteristics are required.