Small Array Microphone
Category: Small Array Microphone
Fortemedia’s FL123 is dual microphone coder (DMC) used as a companion chip for Fortemedia voice processors. It consists of microphone preamplifiers, anti-aliasing filters, delta-sigma ADCs, and an internal regulator to support wide power supply range. Two analog microphone signals can be digitized through FL123 with PDM (Pulse-Density-Modulation) output to provide standard digital microphone outputs as expected by most voice processing devices. Ear phone microphone input application is also supported.
FL123 is offered in a small 0.975x2.2mm² WLCSP package to take minimal space on a PCB. It exhibits RFI/EMI immunity and provides good ESD protection.
Support analog microphone array
Highly integrated with preamplifiers, anti-aliasing filters and delta sigma modulators
Support digital PDM output for high immunity of RF noises
Ear Phone microphone input
PDM interface clocks from 1.024 to 3.6MHz
Double edged data transfer over PDM
10-pin 0.975x2.2 mm² WLCSP package