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TLV320AIC3254IRHBR Datasheet(PDF) 1 Page - Texas Instruments |
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TLV320AIC3254IRHBR Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 168 page  1 Introduction 1.1 Features 1.2 Applications 1.3 Description SPI_Select IN1_R IN2_R IN3_R IN3_L IN2_L IN1_L Left ADC DRC tpl Left DAC AGC + + + + ADC Signal Proc. DAC Signal Proc. Right ADC DRC tpr Right DAC AGC ADC Signal Proc. DAC Signal Proc. + + + + Vol . Ctrl Vol . Ctrl Data Interface Gain Adj . Gain Adj . 0… +47.5 dB 0.5 dBsteps 0…+47.5 dB 0.5 dB steps -6...+29dB 1dBsteps -6...+29dB 1dBsteps -6...+29dB 1dBsteps -6...+29dB 1dBsteps SPI / I2C ControlBlock PinMuxing/ Clock Routing Secondary I 2SIF Primary I 2SInterface Digital Mic. Interrupt Ctrl ALDO DLDO PLL Mic Bias Ref MicBias Ref Supplies HPVdd miniDSP miniDSP HPL LOL HPR LOR Reset -30...0 dB -30...0 dB -72...0dB -72...0dB ´ ´ ´ ´ TLV320AIC3254 Ultra Low Power Stereo Audio Codec With Embedded miniDSP www.ti.com SLAS549A – SEPTEMBER 2008 – REVISED OCTOBER 2008 • Stereo Audio DAC with 100dB SNR • Portable Navigation Devices (PND) • 4.1mW Stereo 48ksps DAC Playback • Portable Media Player (PMP) • Stereo Audio ADC with 93dB SNR • Mobile Handsets • 6.1mW Stereo 48ksps ADC Record • Communication • PowerTune™ • Portable Computing • Extensive Signal Processing Options • Acoustic Echo Cancellation (AEC) • Embedded miniDSP • Active Noise Cancellation (ANC) • Six Single-Ended or 3 Fully-Differential Analog • Advanced DSP algorithms Inputs • Stereo Analog and Digital Microphone Inputs • Stereo Headphone Outputs The TLV320AIC3254 (sometimes referred to as the • Stereo Line Outputs AIC3254) is a flexible, low-power, low-voltage stereo • Very Low-Noise PGA audio codec with programmable inputs and outputs, • Low Power Analog Bypass Mode PowerTune capabilities, fully programmable miniDSP, • Programmable Microphone Bias fixed predefined and parameterizable signal • Programmable PLL processing blocks, integrated PLL, integrated LDOs and flexible digital interfaces. • Integrated LDO • 5 mm x 5 mm 32-pin QFN Package Figure 1-1. Simplified Block Diagram Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this document. PowerTune is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2008–2008, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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