A 0.5-mu m 3-V CMOS mixed-mode audio processor is presented. It is mai
nly composed af 11 low-noise input channels and a dedicated digital au
dio processor, Analog input signals are provided through an 11-microph
one array. The chip size is about 50 mm(2), and the power dissipation
is less than 100 mW. This circuit is dedicated to multimedia applicati
ons.