OPA2338EA/250G4

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

The OPA2338EA/250G4 is a dual ultra-high precision JFET-input operational amplifier designed for a wide range of commercial and industrial applications. It offers both low-noise and low-drift performance in the same package, allowing for applications that require wide bandwidth, low noise, and long-term stability. The OPA2338EA/250G4 is ideal for medical, test and measurement, military, and instrumentation applications, as well as any application that benefits from having a low input noise, wide bandwidth, and low drift.

The device consists of two independent high-precision OP amps in a single package. These amplifiers have improved precision and settling characteristics over their OPA2338EA/250G3 predecessor, thanks to their improved matched performance and low-noise JFET-input topology.

Application Field

The OPA2338EA/250G4 is designed for use in a wide variety of applications, including precision instrumentation, data acquisition systems, medical instrumentation, and industrial control systems. These applications can benefit from the amplifier’s numerous features, such as its low input-offset voltage and drift, low input bias current and voltage noise, wide bandwidth, and exceptionally low distortion. Furthermore, the device’s tight tolerance of ±0.2 dB gain accuracy down to 0.01 Hz makes it an ideal solution for many audio and acoustic measuring systems.

Working Principle

OPA2338EA/250G4 amplifiers are triple-bronze dual ultra-low noise amplifiers that provide high-precision voltage gain and low-noise performance. The device combines a pair of low-noise, low-input offset voltage, low-input bias current JFET-input op amps with three stages of high-precision voltage gain and internal compensation, resulting in excellent long-term stability and low drift. The two amplifier stages can be combined for single-ended or differential operation, and frequencies up to 1 MHz are achievable with low distortion and low noise, making the device well-suited for applications such as precision measuring instrumentation and A/D converter buffering.

The device is optimized for a wide range of supply voltages, with a minimum operating voltage of 5 volts and a maximum of 28 volts. This wide voltage range makes the device suitable for both digital and analog applications. Additionally, the OPA2338EA/250G4 has a power dissipation of 1.3 Watts, making it an efficient solution for a variety of industrial applications.

Overall, the OPA2338EA/250G4 combines two ultra-low noise amplifiers and wide voltage range in a single package. This allows for a high-precision, low-drift, low-noise amplifier ideally suited for a wide range of applications, from precision instrumentation and data acquisition to medical instrumentation and industrial control systems.