TAS5036AIPFC datasheet(7/62 Pages) TI

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Introduction

SLES061B—November 2002—Revised January 2004

TAS5036A

Introduction

The TAS5036A is an innovative, cost-effective, high-performance 24-bit six-channel digital pulse-width

modulator (PWM) based on Equibit

 technology. Combined with a TI PurePath Digital audio amplifier power

stage, these devices use noise-shaping and sophisticated error-correction algorithms to achieve high power

efficiency and high-performance digital audio reproduction. The TAS5036A is designed to drive up to six digital

power devices to provide six channels of digital audio amplification. The digital power devices can be six

conventional monolithic power stages (such as the TAS5110) or six discrete differential power stages using

gate drivers and MOSFETs.

The TAS5036A has six independent volume controls and mute. The device operates in AD and BD modes.

This all-digital audio system contains only two analog components in the signal chain—an LC low-pass filter

at each speaker terminal—and can provide up to 96-dB SNR at the speaker terminals. The TAS5036A has

a wide variety of serial input options including right justified (16-, 20-, or 24-bit), I2S (16-, 20-, or 24-bit) left

justified, and DSP (16-bit) data formats. The device is fully compatible with AES standard sampling rates of

44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz, including de-emphasis for 44.1-kHz and 48-kHz

sample rates. The TAS5036A plus the TAS51xx power stage device combination was designed for home

theater applications such as DVD minicomponent systems, home theater in a box (HTIB), DVD receiver, A/V

receiver, or TV sets.

1.1

Features

•

TI PurePath Digital Audio Amplifier

•

High-Quality Audio

−

100-dB SNR

−

<0.005% THD+N

•

Six-Channel Volume Control

−

Patented Soft Volume

−

Patented Soft Mute

•

16-, 20-, or 24-Bit Input Data

•

Sampling Rates: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz

•

Supports Master and Slave Modes

•

3.3-V Power Supply Operation

•

Economical 80-Pin TQFP Package

•

De-Emphasis: 32 kHz, 44.1 kHz, and 48 kHz

•

Clock Oscillator Circuit for Master Modes

•

Low-Jitter Internal PLL

•

Soft Volume and Mute Update

Equibit and PurePath Digital are trademarks of Texas Instruments.

Other trademarks are the property of their respective owners.

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