MC33171DT Low-Power General Purpose Operational Amplifier | STMicroelectronics

High-Performance Analog Solution for Modern Electronics

The STMicroelectronics MC33171DT represents a new standard in general-purpose operational amplifier technology, combining exceptional performance characteristics with remarkable power efficiency. This 8-SOIC packaged device delivers industry-leading specifications while maintaining the versatility required for diverse engineering applications across multiple sectors. Designed for engineers seeking reliable analog signal processing capabilities, the MC33171DT offers a perfect balance between technical excellence and practical implementation.

Technical Excellence in a Compact Package

Engineered with precision, this operational amplifier features a 2V/µs slew rate and 2.1 MHz gain bandwidth product, enabling rapid signal processing while maintaining stability in demanding environments. The device's 4V to 44V wide supply voltage range accommodates both low-voltage and high-voltage system designs, making it particularly valuable for applications requiring flexible power management solutions. With just 220µA quiescent current consumption, the amplifier excels in battery-powered and energy-conscious designs without compromising performance.

Key Performance Specifications:

Engineered for Demanding Applications

Manufactured using STMicroelectronics' advanced semiconductor processes, the MC33171DT demonstrates exceptional thermal stability and long-term reliability. The surface-mount 8-SOIC package (3.90mm width) facilitates automated assembly while maintaining excellent thermal dissipation characteristics. This operational amplifier's robust design tolerates industrial environments' rigors, making it suitable for factory automation systems, motor control circuits, and precision measurement equipment.

The device's versatility shines in various configurations: as a voltage follower for impedance matching, in active filter designs requiring precise frequency response, or implementing precision signal conditioning in sensor interfaces. Its rail-to-rail input capability and wide supply voltage range make it particularly effective in modern mixed-signal systems where analog and digital circuits coexist.

Optimized for Modern Design Challenges

In today's competitive electronics market, engineers face increasing demands for higher performance with reduced power consumption. The MC33171DT addresses these challenges through its innovative design that maintains exceptional performance across the entire operating voltage range. The amplifier's low input bias current and minimal offset voltage enable accurate signal amplification in precision measurement applications, while its high output drive capability supports direct interfacing with various analog components.

This operational amplifier particularly excels in automotive electronics applications where temperature extremes and electrical noise pose significant design challenges. Its AEC-Q100 qualification for automotive applications ensures reliable performance in vehicle systems ranging from engine control units to advanced driver assistance systems (ADAS). The device's EMI immunity and latch-up protection features further enhance system reliability in harsh electromagnetic environments.

Design Flexibility Across Industries

From industrial process control systems to consumer electronics and medical instrumentation, the MC33171DT demonstrates remarkable adaptability. In factory automation, it provides accurate signal conditioning for sensor arrays. In portable medical devices, its low power consumption extends battery life while maintaining diagnostic accuracy. The amplifier's automotive-grade temperature range (-40°C to 105°C) ensures reliable operation in both extreme cold and high under-hood temperatures.

Tags: Operational Amplifier, Low-Power IC, Industrial Electronics, Automotive Components, Surface Mount Amplifier