OPA322-Q1

The OPA322-Q1 is a precision operational amplifier manufactured by Texas Instruments, designed for high-performance analog signal conditioning in automotive and industrial applications. It features a low noise level of 1.8 nV/√Hz at 1 kHz, enabling accurate amplification of small signals without introducing significant distortion. The device operates from a single supply voltage ranging from 2.7 V to 5.5 V, making it suitable for battery-powered systems and low-voltage designs. This amplifier offers a wide bandwidth of 60 MHz and a slew rate of 15 V/μs, allowing it to handle fast-changing signals efficiently. Its low offset voltage of 25 μV (max) and low drift of 0.2 μV/°C ensure stable performance over temperature variations, which is critical in harsh environments such as automotive engine compartments or industrial control systems. Additionally, the OPA322-Q1 provides rail-to-rail input and output swing, maximizing dynamic range and improving power efficiency. Built with AEC-Q100 Grade 1 qualification, the OPA322-Q1 meets stringent automotive reliability standards, including thermal cycling, humidity, and EMI immunity tests. This makes it ideal for use in safety-critical systems like advanced driver-assistance systems (ADAS), sensor interfaces, and powertrain controls. The device also supports low quiescent current consumption of 1.2 mA per channel, contributing to energy-efficient system design. In terms of functionality, the OPA322-Q1 includes internal protection against latch-up and ESD events, enhancing robustness in real-world conditions. It supports various configurations such as non-inverting, inverting, and differential amplifiers, providing flexibility in circuit design. The compact SOIC-8 package enables space-efficient integration into densely populated PCB layouts. Its excellent DC accuracy, high speed, and automotive-grade reliability make the OPA322-Q1 an optimal choice for precision sensing, signal conditioning, and filtering tasks in demanding environments where both performance and durability are essential.