Maxim Integrated MAX997ESA+ Precision Operational Amplifier

The MAX997ESA+ from Maxim Integrated is a high-performance, single-supply, precision operational amplifier that is designed to offer a blend of features making it ideal for a wide range of applications. This op-amp comes in a small 8-pin NSOIC package and operates over the extended -40°C to +125°C temperature range, addressing the needs of both industrial and automotive markets.

The MAX997ESA+ boasts a low offset voltage of 250µV (max) and a low input bias current of 1pA, which is particularly beneficial in applications requiring high accuracy and low noise. The device operates from a single +5V supply or dual supplies of ±2.5V while consuming a low supply current of 750µA, making it suitable for battery-powered and portable devices where power efficiency is critical.

With a gain-bandwidth product of 1MHz, this operational amplifier is capable of handling a wide range of frequencies, ensuring that it can be used in filters, amplifiers, and other signal processing tasks without compromising signal integrity. Additionally, the MAX997ESA+ features rail-to-rail outputs, which enhance the dynamic range in applications with limited supply voltages.

The device also includes a shutdown mode that reduces the supply current to 0.1µA, further conserving power when the op-amp is not in active use. This feature is particularly useful in power-sensitive applications such as portable instrumentation, sensor conditioning circuits, and battery management systems.

Overall, the MAX997ESA+ is a versatile and reliable component that offers the precision and efficiency needed for demanding applications. Its robust performance, combined with power-saving features, makes it an excellent choice for designers looking to optimize their circuit designs for precision and power consumption.

Key features of the MAX997ESA+ include:

• Low offset voltage: 250µV (max)
• Low input bias current: 1pA
• Supply voltage range: +5V or ±2.5V
• Low supply current: 750µA
• Gain-bandwidth product: 1MHz
• Rail-to-rail output
• Shutdown mode reducing supply current to 0.1µA
• Extended temperature range: -40°C to +125°C
• Small 8-pin NSOIC package