IMP23ABSUTR STMicroelectronics

IMP23ABSU Datasheet High-performance MEMS microphone with extended frequency response up to 80 kHz for ultrasound applications 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 A max. ECOPACK, RoHS, and Green compliant Applications Condition monitoring of industrial equipment Leak detection Electrical arcing Smart medical instruments Wearable devices Hearables Smart speakers Product status link Active noise-canceling headsets IMP23ABSU Product summary Description Order code IMP23ABSU IMP23ABSUTR The IMP23ABSU is a compact, low-power microphone built with a capacitive sensing Temp. range element and an IC interface. -40 to +85 C The sensing element, capable of detecting acoustic waves, is manufactured using a Package (3.5 x 2.65 x 0.98) mm specialized silicon micromachining process to produce audio sensors. Packing Tray Tape and reel The IMP23ABSU has an acoustic overload point of 130 dBSPL with a typical 64 dB signal-to-noise ratio. Product label 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. DS13376 - Rev 2 - September 2020 www.st.com For further information contact your local STMicroelectronics sales office.IMP23ABSU Pin description 1 Pin description Figure 1. Pin connections (bottom view) Table 1. Pin description Pin number Pin name Function 1 Out Output 2 GND GND 3 GND GND 4 GND GND 5 Vdd Supply voltage DS13376 - Rev 2 page 2/15