PurePath

Power Supply

Ref. Design

110 VAC

240 VAC

®

TAS5630

25 V–50 V

ANALOG

AUDIO

INPUT

12 V

PurePath

TAS5616

(2.1 Configuration)

TAS3308

Digital Audio

Processor

With Analog Interface

DIGITAL

AUDIO

INPUT

+3.3V

REG.

♪

♪

♪

TAS5616

www.ti.com

SLAS596B – JUNE 2009 – REVISED JANUARY 2010

160-W STEREO / 300-W MONO PurePath™ HD DIGITAL-INPUT POWER STAGE

Check for Samples: TAS5616

1

FEATURES

APPLICATIONS

•

Mini Combo System

23

•

PurePath™ HD Enabled Integrated Feedback

Provides:

•

AV Receivers

•

DVD Receivers

–

Signal Bandwidth up to 80 kHz for

High-Frequency Content From HD Sources

•

Active Speakers

–

Ultralow 0.03% THD at 1 W into 8

Ω

DESCRIPTION

–

Flat THD at All Frequencies for Natural

Sound

The TAS5616 is a high-performance PWM-input

class-D

amplifier

with

integrated

closed-loop

–

80-dB PSRR (BTL, No Input Signal)

feedback technology (known as PurePath™ HD

–

>100-dB (A-weighted) SNR

technology). It has the ability to drive up to 160-W

–

Click- and Pop-Free Startup

supply.

–

Minimal External Components Compared to

Discrete Solutions

PurePath™

HD

technology

enables

traditional

•

Multiple Configurations Possible on the Same

AB-amplifier performance (<0.03% THD) levels while

providing the power efficiency of traditional class-D

PCB With Stuffing Options:

amplifiers.

–

Mono Parallel Bridge-Tied Load (PBTL)

Ultralow 0.03% THD+N is flat across all frequencies,

–

Stereo Bridge-Tied Load (BTL)

ensuring that the amplifier does not add uneven

–

2.1 Single-Ended Stereo Pair and

distortion characteristics, and helps maintain a natural

Bridge-Tied Load Subwoofer

sound.

–

Quad Single-Ended Outputs

The efficiency of this class-D amplifier is greater than

•

Total Output Power at 10% THD+N

90%.

Undervoltage

protection,

overtemperature,

–

330 W in Mono PBTL Configuration

clipping, short-circuit and overcurrent protection are

all integrated, safeguarding the device and speakers

–

160 W per Channel in Stereo BTL

against fault conditions that could damage the

Configuration

–

80 W per Channel in Quad Single-Ended

Configuration

•

High-Efficiency Power Stage (>90%) With

120-m

Ω Output MOSFETs

•

Two Thermally Enhanced Package Options:

–

PHD (64-Pin QFP)

–

DKD (44-Pin PSOP3)

•

Self-Protection Design (Including

Undervoltage, Overtemperature, Clipping, and

Short-Circuit Protection) With Error Reporting

•

EMI Compliant When Used With

Recommended System Design

(1)

Achievable output power levels are dependent on the thermal

configuration of the target application. A high performance

thermal interface material between the package exposed

thermal pad and the heat sink should be used to achieve high

output power levels.

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

PurePath HD is a trademark of Texas Instruments.

3

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2009–2010, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.