TAS3103 datasheet(9/146 Pages) TI

9 / 146 page

1−1

1 Introduction

The TAS3103 is a fully configurable digital audio processor that preserves high-quality audio by using a 48-bit data

path, 28-bit filter coefficients, and a single cycle 28 x 48-bit multiplier and 76-bit accumulator. Because of the

coefficient-configurable fixed-program architecture of the TAS3103, a complete set of user-specific audio processing

functions can be realized, with short development times, in a small, low power, low-cost device. A personal computer

(PC) GUI-based software development package and a comprehensive evaluation board provide additional facilities

to further reduce development times. The TAS3103 uses 1.8-V core logic with 3.3-V I/O buffers, and requires only

3.3-V power. The TAS3103 is available in a 38-pin TSSOP package.

1.1

Features

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Audio Input/Output

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Four Serial Audio Input Channels

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Three Serial Audio Output Channels

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8-kHz to 96-kHz Sample Rates Supported

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15 Stereo/TDM Data Formats Supported

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Input/Output Data Format Selections Independent

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16-, 18-, 20-, 24-, and 32-Bit Word Sizes Supported

•

Serial Master/Slave I2C Control Channel

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Three Independent Monaural Processing Channels

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Programmable Four Stereo Input Digital Mixer

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3D Effect and Reverb Structure and Filters

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Programmable 12 Band Digital Parametric EQ

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Programmable Digital Bass and Treble Controls

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Programmable Digital Soft Volume Control (24 dB to −-

∞ dB)

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Soft Mute/Unmute

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Programmable Dither

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Programmable Loudness Compensation

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VU Meter and Spectral Analysis I2C Output

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Programmable Channel Delay (Up to 42 ms at 48 kHz)

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192-dB Dynamic Range (Supports Up to 32-Bit Audio Data)

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Dual Threshold Dynamic Range Compression/Expansion

•

Electrical and Physical

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Single 3.3-V Power Supply

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38-Pin TSSOP Package

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Low Power Standby

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