The MAX40007- a single operational amplifier

The MAX40007 is a single operational amplifier that provides a maximized ratio of gain bandwidth (GBW) to supply current and is ideal for battery-powered applications such as portable instrumentation, portable medical equipment, and wireless handsets.

This CMOS op amp features an ultra-low supply current of only 700nA (typ), ground-sensing inputs, and rail-to-rail outputs; operating from a single 1.7V to 5.5V supply, allowing the amplifier to be powered by the same 1.8V, 2.5V, or 3.3V nominal supply that powers the microcontroller.

The MAX40007 is available in a 6-pin SOT23 package and an ultra-tiny 6-bump, 1.1mm x 0.76mm wafer-level package (WLP) with a bump pitch of 0.35mm. The amplifier is specified over the -40° =C to 125°C operating temperature range.

Diagram 1. MAX40007: Functional (or Block) Diagram

Key Features

  • Ultra-Low Power Preserves Battery Life
    • 700nA Typical Supply Current
  • Single 1.7V to 5.5V Supply Voltage Range
    • Amplifier Can be Powered From the Same 1.8V/2.5V/3.3V/5V System Rails
  • Tiny Packages Save Board Space
    • 1.1mm x 0.76mm WLP-6 with 0.35mm Bump Pitch
    • SOT23-6 Package
  • Precision Specifications for Buffer/Filter/Gain Stages
    • Low 300µV Input Offset Voltage
    • Rail-to-Rail Output Voltage
    • 20kHz BW
    • Low 40pA Input Bias Current
    • Unity-Gain Stable
  • -40°C to 125°C Temperature Range


  • Fitness wearables
  • Mobile Phones
  • Notebook and Tablet Computers
  • Portable Instrumentation
  • Portable Medical Devices

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