Texas Instruments TAS5110D6REF manual Introduction

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Chapter 1

Introduction

The true digital audio amplifiers (TDAA) system consists of a PCM–PWM modulator device and a PWM power output device. The PCM–PWM processor accepts a serial PCM digital audio stream and converts it to a 3.3-V PWM audio stream. The TDAA output stage provides a large-signal PWM output. The digital PWM signal is then demodulated providing power output for driving loudspeakers. This patented technology provides low cost, high quality, high efficient digital audio applicable to many audio systems developed for the digital age.

The TAS5110D6REF reference design demonstrates the integrated circuit TAS5110DAD from Texas Instruments (TI). The board does not contain any PWM processors. A separate and compatible PWM processor board (such as TAS5026REF) is available.

The TAS5110 is a single channel PWM power audio device. It contains integrated gate drivers, four matched and electrically isolated enhancement-mode N-channel power DMOS transistors, and protection and fault-reporting circuitry. This device is optimized for use with the TAS50XX PWM processor family.

Together with the TAS5026REF module or the TAS5036REF module, the TAS5110D6REF module is a complete true digital audio amplifier system, which includes digital volume control, headphone amplifier, and a subwoofer output.

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1.1

TAS5110D6REF Features

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1.2

PCB Key Map

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1.3

Short-Circuit Protection and Fault Reporting Circuitry

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1-1

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Contents
User’s Guide Important Notice EVM Important Notice EVM Warnings and Restrictions Read This First Related Documentation From Texas Instruments Contents Figures Introduction Tdaa System With TAS5026REF/TAS5036 and TAS5110D6REF Modules TAS5110D6REF FeaturesPhysical Structure for the TAS5110D6REF Rough Outline PCB Key MapShort-Circuit Protection and Fault Reporting Circuitry Auto Recovery Loop Page System Interfaces = 6 Ω = 8 Ω PSU Interface J150This interface is not used in this board PSU Control Interface J160J100 Pin Description PWM Interface J100Pin No Net Name Description Page Electrical Specifications and Typical Characteristics Graphs Physical Specifications TAS5110D6REF Electrical SpecificationsTHD+N vs Power Channel 1, 2, 3, 4, 5, Typical Characteristics GraphsFFT With -60 dB Input Signal Channel Channel Separation vs Frequency Channel 42m Schematic, Parts List, PCB Specification, and PCB Layout Input Section Front Speakers Rear Speakers Center Speaker & Subwoofer All rights belongs to Texas Instruments Incorporated 10R0 Ppm 100-mW metalfilm 100 nF 50 V 20% X7R 0805 Philips 2222 580 Kemet EEUFC1V102 MMBT2907A MY4S JST 4P-VH L263 TAS5110D6REF PCB Specification Page Page Page
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