Automotive

Automotive microphone is installed on the dashboard or the roof light, and it can be added voice assistants besides call. For the OE (Original Equipment) requirement, microphone not only uses high temperature materials to make sure stability of characteristics, but also adopts automotive standards or IATF-16949 Certification in production line.

Selection guide
  • Automotive level reliability test for AEC-Q103
  • Flat high frequency response can satisfy the definition of ITU-T P.1120 and ITU-T P.1130 for automotive Hands-free systems.

IC Name Description SNR AOP Sensitivity LFRO Dimensions Port Location
3SM127E4T1UB Analog 59 dB 130 dB -42±1 dBV 130 Hz 3.76 x 2.95 x 1.10mm Top
3SM127F4T1UE Analog 60 dB 130 dB -42±1 dBV <20 Hz 3.76 x 2.95 x 1.10mm Top
3SM127MZT1UA Analog 66 dB 130 dB -38±1 dBV <20 Hz 3.76 x 2.95 x 1.10mm Top
3SM127LZB1HA Analog 65 dB 130 dB -38±1 dBV <20 Hz 3.50 x 2.65 x 0.98mm Bottom
3SM127MZB1UA Analog 66 dB 130 dB -38±1 dBV <20 Hz 3.76 x 3.00 x 1.10mm Bottom
3SM121NZB1HA Analog 67 dB 128 dB -38±1 dBV 10 Hz 3.50 x 2.65 x 0.98mm Bottom
3SM421LZB1AA Analog 65 dB 130 dB -38±1 dBV 30 Hz 3.35 x 2.50 x 0.98mm Bottom
3SM227FMT1KA Digital 60 dB 120 dB -26±1 dBFS 38 Hz 4.00 x 3.00 x 1.06mm Top
3SM227KMT1KA-P Digital 64 dB 120 dB -26±1 dBFS 50 Hz 4.00 x 3.00 x 1.00mm Top
3SM227KMB1HA-P Digital 64 dB 120 dB -26±1 dBFS 50 Hz 3.50 x 2.65 x 0.98mm Bottom
3SM222NMB1HA Digital 67 dB 120 dB -26±1 dBFS 10 Hz 3.50 x 2.65 x 0.98mm Bottom