1 Features

1• Stereo Audio DAC with 100dB SNR

• 4.1mW Stereo 48ksps DAC Playback

• Stereo Audio ADC with 93dB SNR

• 6.1-mW Stereo 48-ksps ADC Record

• PowerTune™

• Extensive Signal Processing Options

• Embedded miniDSP

• Six Single-Ended or Three Fully-Differential

Analog Inputs

• Stereo Analog and Digital Microphone Inputs

• Stereo Headphone Outputs

• Stereo Line Outputs

• Very Low-Noise PGA

• Low Power Analog Bypass Mode

• Programmable Microphone Bias

• Programmable PLL

• Integrated LDO

• 5 mm x 5 mm 32-pin QFN Package

2 Applications

• Portable Navigation Devices (PND)

• Portable Media Player (PMP)

• Mobile Handsets

• Communication

• Portable Computing

• Advanced DSP algorithms

3 Description

The TLV320AIC3254 (sometimes referred to as the

AIC3254) is a flexible, low-power, low-voltage stereo audio codec with programmable inputs and outputs,

PowerTune capabilities, fully-programmable miniDSP,

fixed predefined and parameterizable signal

processing blocks, integrated PLL, integrated LDOs and flexible digital interfaces.