General Description
The MAX44281 is the industry’s first op amp in a 4-bump WLP package, designed for use in portable consumer and medical applications. This device is offered as a noninverting amplifier with gain (AV) of +1V/V, +2V/V, or +10V/V.

Benefits and Features
♦ 0.86mm x 0.86mm 4-Bump Thin WLP Package
♦ Low 100µV Input Offset Voltage
♦ Rail-to-Rail Output
♦ 15MHz GBW with Only 700µA Supply Current
♦ Shutdown Input Through VDD
♦ Ultra-Low 10pA Input Bias Current
♦ 1.8V to 5.5V Wide Supply Range
♦ Three Gain Versions Available
    ◇ 1V/V (MAX44281O)
    ◇ 2V/V (MAX44281V)
    ◇ 10V/V (MAX44281U)

APPLICATIONs
    3G/4G Handsets
    Sensor Interfaces
    Portable Medical Devices
    Battery-Powered Devices
    General-Purpose Signal Processing
    Notebooks
    Transimpedance Amplifiers