Description：

The IMP23ABSU 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 IMP23ABSU has an acoustic overload point of 130 dBSPL with a typical 64 dB signal-to-noise ratio.The sensitivity of the IMP23ABSU is -38 dBV ±1 dB @ 94 dBSPL, 1 kHz.The IMP23ABSU 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.

Features：

• Single supply voltage operation 1.52 V - 3.6 V

• Omnidirectional sensitivity

• High signal-to-noise ratio

• High acoustic overload point: 130 dBSPL typ.

• Package compliant with reflow soldering

• Enhanced RF immunity

• Ultra-flat frequency response

• Ultrasound bandwidth (up to 80 kHz)

• Low latency

• Ultra-low-power: 150 µA max.

• ECOPACK, RoHS, and “Green” compliant

Applications：

• Condition monitoring of industrial equipment

• Leak detection

• Electrical arcing

• Smart medical instruments

• Wearable devices

• Hearables

• Smart speakers

• Active noise-canceling headsets