TLV320AIC29

具有 6 个音频输入和耳机/扬声器放大器的低功耗单声道 ADC

The is a low-power, high-performance audio codec with 16/20/24/32-bit 95-dB stereo playback, mono record functionality at up to 48 ksps. Two microphone inputs include independent programmable bias voltages, built-in pre-amps, and hardware automatic gain control, with single-ended or fully-differential signal input capabilities.

The stereo 16- headphones at 19 mW with a 3.3-V analog supply level.

The AIC29 offers a 12-bit measurement ADC and internal reference voltage. It includes an on-chip temperature sensor capable of reading 0.3°C resolution, as well as a battery measurement input capable of reading battery voltages up to 6 V, while operating at an analog supply as low as 3 V. The AIC29 is available in a 48-lead 7 x 7 mm QFN package.

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Stereo Audio DAC and Mono Audio ADC Support Rates Up to 48 ksps

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High Quality 95-dB Stereo Audio Playback Performance

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MIC Preamp and Hardware Automatic Gain Control With Up to 59.5-dB Gain

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Stereo 16- Headphone Amplifier With Capless Output Option

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400-mW 8- Audio Power Amp With Direct Battery Supply Connection

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32- Differential Earpiece Driver

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Differential Interface to Cellular Phone Module

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Integrated PLL For Flexible Audio Clock Generation

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Low Power 19-mW Stereo Audio Playback at 48 ksps and 3.3-V Analog Supply level

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Programmable Digital Audio Bass/Treble/EQ/De-Emphasis

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Auto-Detection of Jack Insertion, Headset Type, and Button Press

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Direct Battery Measurement Accepts Up to 6-V Input

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On-Chip Temperature and Auxiliary Input Measurement

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Programmable Measurement Converter Resolution, Speed, Averaging, and Timing

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SPI™ and I2S™ Serial Interfaces

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Full Power-Down Control

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48-Pin QFN Package

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APPLICA ONS

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Personal Digital Assistants

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Cellular Smartphones

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Digital Still Cameras

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Digital Camcorders

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MP3 Players

US Patent No. 624639

SPI is a trademark of Motorola, Inc.

I2S is a trademark of Philips Corporation.