TAS5036B datasheet(7/56 Pages) TI

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Introduction

SLES073—February 2003

TAS5036B

Introduction

The TAS5036B is an innovative, cost-effective, high-performance 24-bit six-channel digital pulse width

modulator (PWM) based on Equibit

 technology. Combined with a TI digital 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 TAS5036B 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 TAS5036B 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 TAS5036B has a

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

or 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 TAS5036B 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

•

True 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 is a trademark of Texas Instruments.

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