Maxim Integrated MAX4131EUA - Precision, Low-Power, Single-Supply Operational Amplifier

The MAX4131EUA is a high-performance operational amplifier from Maxim Integrated, designed to offer a perfect blend of precision, low power consumption, and wide single-supply voltage range. This device is part of a family of op-amps that are optimized for single-supply applications, but can also operate with dual supplies, making it extremely versatile for a variety of electronic circuits.

The MAX4131EUA operates with a single supply voltage ranging from +2.7V to +6.5V or dual supplies of ±1.35V to ±3.25V. This wide voltage range coupled with a low supply current of just 500µA (typical) makes it an ideal choice for battery-powered devices and portable applications where power efficiency is crucial.

This op-amp boasts a high precision with an offset voltage of just 500µV (max) and an offset voltage drift of only 2µV/°C (max), ensuring accurate signal amplification even in temperature-variable environments. Additionally, the MAX4131EUA offers a high gain-bandwidth product of 1.4MHz and a slew rate of 0.5V/µs, making it suitable for low-frequency filtering, sensor signal conditioning, and data acquisition systems.

The MAX4131EUA comes in an ultra-small 8-pin µMAX package, which is ideal for space-constrained applications. It features rail-to-rail output swing that increases the dynamic range in single-supply applications. The device also includes a shutdown mode, which reduces the supply current to 2µA (typical), further conserving power when the op-amp is not in active use.

With its exceptional performance characteristics, the MAX4131EUA is an excellent choice for designers looking for a reliable and efficient operational amplifier for medical devices, portable instruments, consumer electronics, and other applications where power and space are at a premium.

Key Features:

• Single-Supply Operation: +2.7V to +6.5V
• Dual-Supply Operation: ±1.35V to ±3.25V
• Low 500µA Supply Current
• 500µV Max Offset Voltage
• 2µV/°C Max Offset Voltage Drift
• 1.4MHz Gain-Bandwidth Product
• 0.5V/µs Slew Rate
• Rail-to-Rail Output Swing
• Ultra-Small 8-Pin µMAX Package
• Shutdown Mode Reduces Supply Current to 2µA