Custom Meta Tags - 201906 maxim

Display portlet menu


Maxim - MAX9814/ MAX98090

The MAX9814 is a low-cost, high-quality microphone amplifier with automatic gain control (AGC) and lownoise microphone bias. The device features a low-noise preamplifier, variable gain amplifier (VGA), output amplifier, microphone-bias-voltage generator and AGC control circuitry.


  • Automatic Gain Control (AGC)
  • Three Gain Settings (40dB, 50dB, 60dB)
  • Programmable Attack Time
  • Programmable Attack and Release Ratio
  • 2.7V to 5.5V Supply Voltage Range
  • Low Input-Referred Noise Density of 30nV/√Hz
  • Low THD: 0.04% (typ)
  • Low-Power Shutdown Mode
  • Internal Low-Noise Microphone Bias, 2V
  • Available in the Space-Saving, 14-Pin TDFN (3mm x 3mm) Package
  • -40°C to +85°C Extended Temperature Range

Target applications

  • Digital Still Cameras
  • Digital Video Cameras
  • PDAs
  • Bluetooth Headsets
  • Entertainment Systems (e.g., Karaoke)
  • Two-Way Communicators
  • High-Quality Portable
  • Recorders
  • IP Phones/Telephone
  • Conferencing

Key components

  • CIN/COUT/Rmicbias


  • integrate AGC and low noise


Block diagram

Maxim MAX9814/MAX98090

Maxim MAX9814/MAX98090


Contact us



Subscribe for Online Delivery