STMicroelectronics MP23ABS1
Audio control, MEMS microphone, 1.52V to 3.6V, RHLGA, 5 Pins, -40 °C
The MP23ABS1 is a compact, low-power microphone built with a capacitive sensing element and an IC interface. The sensing element, capable of detecting acoustic waves, is manufactured using a specialized silicon micromachining process to produce audio sensors. The MP23ABS1 has an acoustic overload point of 130 dBSPL with a typical 64 dB signal-to-noise ratio. The sensitivity of the MP23ABS1 is -38 dBV ±1 dB @ 94 dBSPL, 1 kHz. The MP23ABS1 is available in a package compliant with reflow soldering and is guaranteed to operate over an extended temperature range from -40 °C to +85 °C.
Key features
- Omnidirectional digital microphone, “always-on" experience with low power consumption
- 122dBSPL acoustic overload point for all operative modes
- PDM single-bit output with option for stereo configuration
- Supply voltage range from 1.6V to 3.6V
- Clock frequency range is 0.768MHz typical
- Frequency response is 35Hz typical
- Current consumption is 285µA typical at (Vdd = 1.8V, clock = 768KHz, no load, T = 25°C)
- Signal-to-noise ratio is 64dB typical at (Vdd = 1.8V, clock = 768KHz, no load, T = 25°C)
- Power supply rejection ratio is -90dBFS typical at (100mVpp sinewave at 217Hz)
- Operating temperature range from -40°C to +85°C, 5-lead RHLGA package
Applications
- Mobile phones
- Wearables
- Hearables
- Smart speakers
- Active noise-canceling headsets
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