STMicroelectronics MC33172 Dual Operational Amplifier

The MC33172 from STMicroelectronics is a versatile dual operational amplifier (op-amp) that is designed to offer a perfect balance of performance, power consumption, and cost. This device is part of a series of low-power op-amps that are capable of operating with a single or dual supply voltage, making them suitable for a wide range of applications.

Constructed with BiCMOS technology, the MC33172 provides a unique combination of speed and power efficiency. With a typical supply current of just 1.1 mA per amplifier, the MC33172 is an excellent choice for battery-powered devices and energy-sensitive applications. Despite its low power consumption, this op-amp does not compromise on speed, offering a gain bandwidth product of 2.1 MHz and a slew rate of 0.6 V/μs.

The MC33172 is capable of operating over a wide supply voltage range of 3V to 44V (±1.5V to ±22V), which makes it extremely versatile for both consumer and industrial applications. It features input offset voltage correction for very low offset and offset drift, ensuring high accuracy in measurement and control systems.

With a wide operating temperature range from -40°C to +105°C, the MC33172 is reliable in even the harshest environmental conditions. Its robust design includes latch-up immunity and ESD protection, which further enhances its stability and longevity in various applications.

The MC33172 is commonly used in sensor interfaces, battery-powered applications, and portable devices due to its low-power characteristics. It is also suitable for analog filters, voltage followers, integrators, summing amplifiers, and general feedback applications in both consumer and industrial electronics.

Available in several package options, including the compact SO-8 and DIP-8 packages, the MC33172 provides flexibility in design for printed circuit boards where space may be at a premium. This operational amplifier is a practical choice for designers looking for a reliable, cost-effective solution without sacrificing performance.

With its combination of features, the MC33172 from STMicroelectronics is a solid choice for a multitude of electronic circuits, offering both efficiency and versatility to meet the needs of modern electronic designs.