The AW8145CSR with Audio Power OpAmps CSP-9 RoHS is a wideband audio processor IC manufactured by Awinic. It is a low-power, low-noise, high-performance IC that enables high-quality audio processing from the microphone to the headphones. It contains two integrated low-noise input amplifiers, audio processing amplifiers, and output amplifiers for mono audio applications. It also features low-noise Analog-to-Digital Converters (ADCs) and Digital-to-Analog Converters (DACs). Additionally, this IC contains an integrated I2S and PDM spdif audio interface, as well as an integrated monitor to allow for configuration and control. This IC is RoHS compliant and comes in a 9-pin CSP package.