1.1 Features

1234• Stereo Audio DAC With 95-dB SNR

• Mono Audio ADC With 91-dB SNR

• Supports 8-kHz to 192-kHz Separate DAC and

ADC Sample Rates

• Instruction-Programmable Embedded miniDSP

• Stereo 1.29-W Class-D BTL 8-Ω Speaker Driver

With Direct Battery Connection

• One Differential and Three Single-Ended Inputs

With Mixing and Level Control

• Microphone With Bias, Preamp PGA, and AGC

• Built-in Digital Audio Processing Blocks With

User-Programmable Biquad and FIR Filters

• Digital Mixing Capability

• Programmable Digital Audio Processor for

Bass Boost/Treble/EQ With up to Five Biquads

for Record and up to Six Biquads for Playback

• Pin Control or Register Control for Digital-

Playback Volume-Control Settings

• Sine-Wave Generator for Beep right•

Integrated PLL Used for Programmable Digital

Audio Processor

• I2S, Left-Justified, Right-Justified, DSP, and

TDM Audio Interfaces

• I2C Control With Register Auto-Increment

• Full Power-Down Control

• Power Supplies:

– Analog: 2.7 V–3.6 V

– Digital Core: 1.65 V–1.95 V

– Digital I/O: 1.1 V–3.6 V

– Class-D: 2.7 V–5.5V (SPLVDD and

SPRVDD ≥ AVDD)

• 5-mm × 5-mm 32-QFN Package

1.2 Applications

• Portable Audio Devices

• Mobile Internet Devices

• Adaptive Filtering Applications

1.3 Description

The TLV320AIC3111 is a low-power, highly

integrated, high-performance codec which provides a

stereo audio DAC and mono audio ADC.

The TLV320AIC3111 features a high-performance

audio codec with 16-bit stereo playback and

monaural record functionality. The device integrates

several analog features, such as a microphone

interface, headphone drivers, and speaker drivers.

The TLV320AIC3111 has a fully programmable

miniDSP for digital audio processing. The digital

audio data format is programmable to work with

popular audio standard protocols (I2S, left-/ right•

justified) in master, slave, DSP, and TDM modes.

Bass boost, treble, or EQ can be supported by the

programmable digital signal-processing block.

An on-chip PLL provides the high-speed clock

needed by the digital signal processing block. The

volume level can be controlled by either pin control or

by register control. The audio functions are controlled

using the I2C serial bus.

The TLV320AIC3111 has a programmable beep

generator and is available in a 32-pin QFN package.