PurePath

Class-G Power Supply

Ref. Design

110 VAC

240 VAC

®

25 V–50 V

ANALOG

AUDIO

INPUT

12 V

PurePath

TAS5630B

(2.1 Configuration)

♪

♪

♪

3

OPA1632

´

±15 V

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TAS5630B

SLES217D – NOVEMBER 2010 – REVISED MARCH 2015

TAS5630B 300-W Stereo and 400-W Mono PurePath™ HD Analog-Input Power Stage

1 Features

3 Description

The TAS5630B device is a high-performance analog-

1

•

PurePath™ HD Enabled Integrated Feedback

input class-D amplifier with integrated closed-loop

Provides:

feedback

technology

(known

as

PurePath

HD

–

Signal Bandwidth up to 80 kHz for High-

Frequency Content From HD Sources

stereo into 4-

Ω to 8-Ω speakers from a single 50-V

supply.

–

Ultralow 0.03% THD at 1 W into 4

Ω

–

Flat THD at All Frequencies for Natural Sound

PurePath HD technology enables traditional AB-

amplifier performance (< 0.03% THD) levels while

–

80-dB PSRR (BTL, No Input Signal)

providing the power efficiency of traditional class-D

–

> 100-dB (A-weighted) SNR

amplifiers.

–

Click- and Pop-Free Start-up

Unlike traditional class-D amplifiers, the distortion

•

Multiple Configurations Possible on the Same

curve does not increase until the output levels move

PCB With Stuffing Options:

into clipping.

–

Mono Parallel Bridge-Tied Load (PBTL)

PurePath HD technology enables lower idle losses,

–

Stereo Bridge-Tied Load (BTL)

making the device even more efficient. When coupled

with TI’s class-G power-supply reference design for

–

2.1 Single-Ended Stereo Pair and BTL

TAS563x, industry-leading levels of efficiency can be

Subwoofer

achieved.

–

Quad Single-Ended Outputs

•

Total Output Power at 10% THD+N

Device Information(1)

–

400 W in Mono PBTL Configuration

PART NUMBER

PACKAGE

BODY SIZE (NOM)

–

300 W per Channel in Stereo BTL

HSSOP (44)

15.90 mm × 11.00 mm

TAS5630B

Configuration

HTQFP (64)

14.00 mm × 14.00 mm

–

145 W per Channel in Quad Single-Ended

(1) For all available packages, see the orderable addendum at

Configuration

the end of the data sheet.

•

High-Efficiency Power Stage (> 88%) With 60-m

Ω

Typical TAS5630B Application Block Diagram

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

2 Applications

•

Mini Combo System

•

AV Receivers

(1)

Achievable output power levels are dependent on the thermal

configuration of the target application. A high-performance

•

DVD Receivers

thermal interface material between the exposed package heat

slug and the heat sink should be used to achieve high output

•

Active Speakers

power levels.

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.