The PCM186x family of audio front-end devices takes a new approach
to audio-function integration to ease compliance with European Ecodesign legislation while enabling
high-performance end products. With no need for a
5-V supply or an external programmable-gain amplifier, smaller, smarter products are feasible at
The PCM186x's highly flexible audio front end supports input levels from small-mV microphone
inputs to 2.1 VRMS line Inputs without external resistor dividers.
PCM186x family integrates many system-level functions that assist or replace
some DSP functions.
All these features are available using a single 3.3V power supply. An integrated bandgap
voltage reference provides excellent PSRR, so that a dedicated analog 3.3V rail may not be
Block Diagrams comparing the devices in the PCM186x can be found in Functional Block Diagram.
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