Maxim Integrated MAX4238ATT Precision Op-Amp

Maxim Integrated's MAX4238ATT is a high-precision, low-noise operational amplifier that delivers exceptional performance for a wide range of applications. This op-amp is designed for use in battery-powered devices, portable instrumentation, and other applications where power efficiency and accuracy are crucial.

The MAX4238ATT comes in a tiny 6-pin TDFN package, making it an excellent choice for space-constrained applications. Despite its small size, it offers a low offset voltage of just 25µV (max) and low noise density of 8.5nV/√Hz at 1kHz, ensuring high accuracy in signal amplification and processing tasks.

One of the standout features of the MAX4238ATT is its low input bias current of 1pA, which makes it ideal for high-impedance sensor applications and precision integrators. The device also boasts a wide supply voltage range from 2.7V to 5.5V, allowing for flexible design options in various systems.

With a gain-bandwidth product of 2MHz and a slew rate of 0.6V/µs, the MAX4238ATT provides adequate frequency response for moderate-speed applications. Additionally, it is capable of driving capacitive loads up to 500pF, which is beneficial for driving A/D converters or buffering DAC outputs.

The operational amplifier also features rail-to-rail output swing, which maximizes the dynamic range in single-supply applications. The MAX4238ATT's low quiescent current of just 500µA (typ) extends battery life, making it an energy-efficient choice for portable devices.

For added flexibility, the MAX4238ATT includes a shutdown mode that reduces the supply current to 0.1µA (typ), further conserving power when the op-amp is not in active use. This feature is particularly useful in power-sensitive applications where preserving battery life is paramount.

In summary, the Maxim Integrated MAX4238ATT operational amplifier is a high-performance, low-power component that suits a variety of precision applications. Its small footprint, combined with its low noise, low offset voltage, and power-saving features, make it an excellent choice for designers looking to optimize their systems for both accuracy and efficiency.