1.8V, 15MHz, Low-Offset, Low-Power, Rail-to-Rail I/O Op-Amp

Unique Combination of High Precision, High Bandwidth, and Low-Voltage Operation

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The MAX44290 offers a unique combination of high speed, precision, low noise, and low-voltage operation making them ideally suited for a large number of signal processing functions such as filtering and amplification of signals in portable and medical applications.

This amplifier features an input offset of less than 50μV and a high gain bandwidth product of 15MHz while maintaining a low 1.8V supply rail. The devices’ rail-to-rail input/outputs and low noise guarantee maximum dynamic range in demanding applications such as 12-to-14-bit SAR ADC drivers. Unlike traditional rail-to-rail input structures, input crossover distortion is absent due to an optimized input stage with an ultra-quiet charge pump.

The device includes a fast-power-on shutdown mode for further power savings. The operational amplifier operates from a supply range of 1.8V to 5.5V over the -40°C to +125°C temperature range and can operate down to 1.7V over the 0°C to +70°C temperature range. It is available in a tiny 6-bump wafer level package (WLP), with 0.4mm-pitch.

Design Solution: How Less Can Be More in Motor Control Design ›

MAX44290: Typical Application Circuits MAX44290: Typical Application Circuits Enlarge+

Key Features

  • Low 1.8V Supply Rail Over the -40°C to +125°C Range
  • 1.7V Supply Rail Over 0°C to 70°C Range
  • 15MHz Unity-Gain Bandwidth
  • Low 12.7nV/√Hz Input Voltage-Noise Density
  • Low 50µV (max) Input Offset Voltage at +25°C
  • 500fA Low Input Bias Current
  • 750µA Quiescent Current
  • < 1µA Supply Current in Shutdown
  • Low 105dB Total Harmonic Distortion


  • 3G/4G Handsets
  • Analog-to-Digital Converter Buffers
  • Battery-Operated Devices
  • General-Purpose Signal Processing
  • Notebooks
  • Portable Medical Instruments
  • Transimpedance Amplifiers
Part NumberAmps.Rail to RailVSUPPLY (Total)
ICC per Amp.
Unity Gain BW
Slew Rate
minmaxtypmaxtyptypmaxtyptypSee Notes
MAX44290 1Input/Output1.75.57505090950.0005157
$0.65 @1k
See All Operational Amplifiers (174)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

MAX44290EVKIT: Evaluation Kit for the MAX44290

Technical Documents

App Note 6902 How Less Can Be More in Motor Control Design
App Note 3741 Analog ICs for Low Voltage Systems

Quality and Environmental Data

Request Reliability Report for: MAX44290 
Lead-Free Package Tin (Sn) Whisker Reports

Additional Resources

Design Solution: How Less Can Be More in Motor Control Design ›

Tools & Models

  • MAX44290 Orcad Library
  • CAD Symbols and Footprints

  • MAX44290ANT+
  • MAX44290ANT+T
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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    Environmental Management System >


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