Our customer wanted to develop a MEMS microphone preamp ASIC. The sensor process variations were limiting the yield of his microphone solution and the existing ASICs provided no mechanism to change the parameters of the ASIC to remove the non idealities of the sensor. The Customer came to Cosmic looking for an ASIC solution to calibrate the sensor variations and maintain constant preamp output for a given external input despite variation in the sensor due to manufacturing process. Cosmic understood the requirements, selected the appropriate technology node and provided a solution to meet the stringent requirements.
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