The MP34DB01 is an ultra-compact, low-power, omnidirectional, digital MEMS microphone built with a capacitive sensing element and an IC interface with stereo operation capability.
The MP34DB01 is an ultra-compact, low-power, omnidirectional digital MEMS microphone designed for mobile terminals, laptops, and portable media players. It features a capacitive sensing element and an IC interface providing a digital signal in PDM format, with the option for stereo configuration. The device operates on a single supply voltage with a low power consumption of 0.65 mA in normal mode.
| Supply voltage | 1.64 to 3.6 V |
|---|---|
| Acoustic overload point | 120 dBSPL |
| Signal-to-noise ratio | 62.6 dB |
| Sensitivity | -26 dBFS |
| Operating temperature range | -40 to +85 °C |
| Clock frequency (normal mode) | 1 to 3.25 MHz |
| Package dimensions | 3 mm x 4 mm x 1 mm |
The acoustic overload point is 120 dBSPL.
Yes, the device has an IC interface that allows designing a dedicated circuit able to provide a digital signal externally in PDM format with stereo operation capability.