TAS5028 datasheet(11/84 Pages) TI

11 / 84 page

Introduction

SLES112 — June 2004

TAS5028

1.2

TAS5028 Features

1.2.1 Audio Input / Output

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Automatic Master Clock Rate and Data Sample Rate Detection

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Eight Serial Audio Input Channels

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Eight PWM Audio Output Channels Configurable as Six Channels With Stereo Line Out or Eight Channels

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Line Output is a PWM Output to Drive an External Differential Input Operational Amplifier

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Headphone PWM Output to Drive an External Differential Amplifier Like the TPA112

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PWM Outputs Support Single Ended and Bridge Tied Loads

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32-, 38-, 44.1-, 48-, 88.2-, 96-, 176.4-, and 192-kHz Sampling Rates

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Data Formats: 16-, 20-, or 24-bit input Data Left, Right and I2S,

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64 x Fs Bit Clock Rate

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128, 192, 256, 384, 512, and 768 x Fs Master Clock Rates (Up to a Maximum of 50 MHz)

1.2.2 Audio Processing

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48-Bit Processing Architecture With 76 bits of Precision for Most Audio Processing Features

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Volume Control Range +36 dB to – 127 dB

Master Volume Control Range of +18 dB to –100 dB

Eight Individual Channel Volume Control Range of +18-dB to - 127-dB

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Programmable Soft Volume and Mute Update Rates

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Four Bass and Treble Tone Controls with

±18-dB Range, Selectable Corner Frequencies, and 2nd Order

Slopes

L, R, and C

LS, RS

LR, RR

Sub

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Full 8x8 Input Crossbar Mixer. Each Signal Processing Channel Input Can Be Any Ratio of the Eight Input

Channels

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8x2 Output Mixer – Channels 1- 6. Each Output Can Be Any Ratio of Any Two Signal Processed Channels

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8x3 Output mixer – Channels 7 and 8. Each Output can be Any Ratio of Any Three Signal Processed

Channels

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Three Coefficient Sets Stored on the Device Can be Selected Manually or Automatically (Based on

Specific Data Rates)

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DC Blocking Filters

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Able to Support a Variety of Bass Management Algorithms

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