TLV320AIC3100IRHBR

1 INTRODUCTION

1.1 Features

• 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 DigitalPlayback 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.

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