Maxim Integrated MAX4238AUT Precision Op-Amp

The MAX4238AUT from Maxim Integrated is a high-precision operational amplifier (op-amp) that delivers outstanding performance for a wide range of applications. This component is designed for systems that require ultra-low noise, low input bias current, and low power consumption, making it an ideal choice for battery-powered devices and portable instrumentation.

Featuring a patented auto-zeroing technique, the MAX4238AUT minimizes the offset voltage and offset voltage drift over time and temperature. This results in a very stable and accurate op-amp that can maintain its performance across varying conditions. With an offset voltage as low as 25 µV and a drift of just 0.1 µV/°C, this op-amp is suitable for precision applications such as sensor signal conditioning, medical equipment, and A/D converter buffering.

The MAX4238AUT operates from a single supply voltage ranging from 2.7V to 5.5V, which allows it to be used in both 3V and 5V systems. Additionally, it boasts a low quiescent current of just 800 µA, contributing to the energy efficiency of the overall system. The device also features rail-to-rail output, which maximizes the dynamic range in low-voltage applications.

With a gain bandwidth product of 2MHz and a slew rate of 0.6V/µs, the MAX4238AUT can handle a variety of signal processing tasks while maintaining a high degree of precision. The device comes in a tiny 6-pin SOT23 package, making it an excellent choice for space-constrained applications.

In summary, the MAX4238AUT from Maxim Integrated is a versatile, high-precision op-amp that delivers exceptional performance for applications where accuracy and stability are paramount. Its low-voltage operation, low power consumption, and small footprint make it a prime solution for the latest portable and energy-sensitive technologies.

Key Features:

• Ultra-low offset voltage: 25 µV (max)
• Offset voltage drift: 0.1 µV/°C (max)
• Low noise: 8.5 nV/√Hz at 1kHz
• Low input bias current: 1pA (max)
• Supply voltage range: 2.7V to 5.5V
• Quiescent current: 800 µA
• Rail-to-rail output
• Gain bandwidth product: 2MHz
• Slew rate: 0.6V/µs
• Package: 6-pin SOT23