41.2 Features

  • Three individually configurable low-power OPAMPs
  • Rail-to-rail inputs
  • Configurable resistor ladders for internal feedback
  • Selectable configurations
    • Standalone OPAMP with flexible inputs
    • Unity gain amplifier
    • Non-inverting or inverting Programmable Gain Amplifier (PGA)
    • Cascaded PGAs
    • Instrumentation amplifier
    • Comparator with programmable hysteresis
  • OPAMP output:
    • On I/O pins
    • As input for AC or ADC
  • Flexible input selection:
    • I/O pins
    • DAC
    • Ground
  • Low-power options:
    • Selectable voltage doubler and propagation delay versus current consumption
    • On demand start-up for ADC and AC operations
  • Offset/Gain measurement for calibration when used with the ADC