MEMS ultrasonic microphone

MEMS microphones are widely used in cell-phones. Their frequency response extends to 100 KHz.

Knowles at Digikey

• DIGIKEY: Ultrasonic MEMS Sensor SPM0404UD5 By Knowles Acoustics Contributed By Convergence Promotions LLC 05/06/2011
• DIGIKEY: Knowles MEMS microphones
• SPU0410HR5H-PB at DIGIKEY, price $1.68
• SPU0410HR5H-PB datasheet
• SPM1423HM4H-B digital

---

---

• Ultrasonic Applications for Knowles Electret and MEMS Microphones