Notebook

The built-in microphone of the laptop is mainly used for video conferencing, and use microphone array as directional voice capture to increase distance. As the market share of narrow bezel products increases, microphones with narrow packages are becoming more and more popular.

Selection guide
  • High phase and sensitivity consistency can improve accuracy of microphone array
  • Narrow package size is suitable for narrow bezel products

IC Name Description SNR AOP Sensitivity LFRO Dimensions Port Location
3SM221KMT1KA-P Digital 64 dB 120 dB -26±1 dBFS 50 Hz 4.00 x 3.00 x 1.00mm Top
3SM221KMT1GA-P Digital 64 dB 120 dB -26±1 dBFS 100 Hz 4.00 x 2.00 x 1.10mm Top
3SM221LMT1GA Digital 65 dB 120 dB -26±1 dBFS 10 Hz 4.00 x 2.00 x 1.10mm Top
3SM221MMT1KA Digital 66 dB 120 dB -26±1 dBFS 10 Hz 4.00 x 3.00 x 1.00mm Top
3SM222NMB1HA Digital 67 dB 120 dB -26±1 dBFS 10 Hz 3.50 x 2.65 x 0.98mm Bottom