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TAS5508BPAGG4 Datasheet(PDF) 11 Page - Texas Instruments |
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TAS5508BPAGG4 Datasheet(HTML) 11 Page - Texas Instruments |
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11 / 106 page  www.ti.com 1 Introduction 1.1 Features TAS5508B 8-Channel Digital Audio PWM Processor SLES162B – DECEMBER 2005 – REVISED APRIL 2006 • Audio Processing • General Features – 48-Bit Processing Architecture With 76 Bits – Automated Operation With an Easy-to-Use of Precision for Most Audio-Processing Control Interface Features – I2C Serial-Control Slave Interface – Volume Control Range 36 dB to –109 dB – Integrated AM Interference-Avoidance • Master Volume Control Range of 18 dB Circuitry to –109 dB – Single, 3.3-V Power Supply • Eight Individual Channel Volume Control – 64-Pin TQFP Package Ranges of 18 dB to –109 dB – 5-V Tolerant Inputs – Programmable Soft Volume and Mute • Audio Input/Output Update Rates – Automatic Master-Clock-Rate and – Four Bass and Treble Tone Controls With Data-Sample-Rate Detection ±18-dB Range, Selectable Corner – Eight Serial Audio Input Channels Frequencies, and Second-Order Slopes – Eight PWM Audio Output Channels • L, R, and C Configurable as Six Channels With Stereo • LS, RS Lineout or Eight Channels • LR, RR – Line Output Is a PWM Output to Drive an • Sub External Differential-Input Operational – Configurable Loudness Compensation Amplifier – Two Dynamic Range Compressors With – Headphone PWM Output to Drive an Two Thresholds, Two Offsets, and Three External Differential Amplifier Like the Slopes TPA112 – Seven Biquads Per Channel – PWM Outputs Support Single-Ended and – Full 8 ×8 Input Crossbar Mixer. Each Bridge-Tied Loads Signal-Processing Channel Input Can Be – 32-, 38-, 44.1-, 48-, 88.2-, 96-, 176.4-, and Any Ratio of the Eight Input Channels. 192-kHz Sampling Rates – 8 ×2 Output Mixer, Channels 1–6. Each – Data Formats: 16-, 20-, or 24-Bit Output Is a Mix of Any Two Left-Justified, I2S, or Right-Justified Input Signal-Processed Channels. It Is Data Recommended to Use the Pass-Through – 64-fS Bit-Clock Rate output Mixer Configuration. – 128-, 192-, 256-, 384-, 512-, and 768-fS – 8 ×3 Output Mixer, Channels 7 and 8. Each Master Clock Rates (Up to a Maximum of Output Is a Mix of Any Three 50 MHz) Signal-Processed Channels. It Is Recommended to Use the Pass-Through Output Mixer Configuration. – Three Coefficient Sets Stored on the Device Can Be Selected Manually or Automatically (Based on Specific Data Rates). – DC Blocking Filters – Able to Support a Variety of Bass Management Algorithms 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. Matlab is a trademark of Math Works, Inc. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2006, 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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