1.1 Features 1

• 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

• Mono Class-D BTL Speaker Driver (2.5 W Into

4 Ω or 1.6 W Into 8 Ω)

• 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 (PRB)

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

• Digital Sine-Wave Generator for Beep

• 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–5.5 V (SPKVDD ≥ AVDD)

• 5-mm × 5-mm 32-QFN Package

1.2 Applications

• Portable Audio Devices

• Mobile Internet Devices

• Adaptive Filtering Applications

1.3 Description

The TLV320AIC3100 is a low-power, highly integrated, high-performance codec which provides a stereo audio

DAC, a mono audio ADC, and a mono class-D 4-Ω speaker driver.

The TLV320AIC3100 features a high-performance audio codec with 24-bit stereo playback and monaural record

functionality. The device integrates several analog features, such as a microphone interface, headphone drivers,

and speaker drivers. The TLV320AIC3100 has built-in digital audio processing blocks (PRB) for both the DAC

and ADC paths. 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 TLV320AIC3100 has a programmable digital sine-wave generator and is available in a 32-pin QFN package.