Po - Output Power - W

0.001

0.01

0.1

1

10

10m

100m

1

10

100

D000

8:

Power Supply

110VAC->240VAC

TAS5630

36V

TPA3250D2

Audio

Source

And Control

RIGHT

LEFT

LC

Filter

LC

Filter

/RESET

/FAULT

M1:M2

FREQ_ADJ

OSC_IO

/CLIP_OTW

Operation Mode Select

Switching Frequency Select

12V

Master/Slave Synchronization

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

TPA3250D2

SLASE99 – DECEMBER 2015

TPA3250D2 70-W Stereo, 130-W peak PurePath™ Ultra-HD Pad Down Class-D Amplifier

1 Features

•

EMI Compliant When Used With Recommended

System Design

1

•

Differential Analog Inputs

•

Total Output Power at 10%THD+N

2 Applications

–

70-W Stereo Continuous into 8

Ω in BTL

•

High End Soundbar

Configuration at 32 V

•

Mini Combo Systems

–

130-W Stereo Peak into 4

Ω in BTL

•

Blu-ray Disk™ / DVD Receivers

Configuration at 32 V

•

Active Speakers

•

Total Output Power at 1%THD+N

–

60-W Stereo Continuous into 8

Ω in BTL

3 Description

Configuration at 32 V

TPA3250D2 is a high performance class-D power

–

105-W Stereo Peak into 4

Ω in BTL

amplifier that enables true premium sound quality

Configuration at 32 V

with class-D efficiency. It features an advanced

•

Advanced Integrated Feedback Design with High-

integrated feedback design and proprietary high-

speed gate driver error correction (PurePath™ Ultra-

speed Gate Driver Error Correction

HD). This technology allows ultra low distortion

(PurePath™ Ultra-HD)

across the audio band and superior audio quality.

–

Signal Bandwidth up to 100 kHz for High

With a 32V power supply the device can drive up to 2

Frequency Content From HD Sources

x 130 W peak into 4-

Ω load and 2 x 70 W continuous

–

Ultra Low 0.005% THD+N at 1 W into 4

Ω and

into 8-

Ω load and features a 2 VRMS analog input

<0.01% THD+N to Clipping

interface

that

works

seamlessly

with

high

performance DACs such as TI's PCM5242. In

–

60 dB PSRR (BTL, No Input Signal)

addition to excellent audio performance, TPA3250D2

–

<60 µV (A-Weighted) Output Noise

achieves both high power efficiency and very low

–

>110 dB (A Weighted) SNR

power stage idle losses below 1 W. This is achieved

through the use of 60 m

Ω MOSFETs and an

•

Multiple Configurations Possible:

optimized

gate

driver

scheme

that

achieves

–

Stereo, Mono, 2.1 and 4xSE

significantly lower idle losses than typical discrete

•

Click and Pop Free Startup and Stop

implementations.

•

92% Efficient Class-D Operation (8

Ω)

Device Information(1)

•

Wide 12-V to 36-V Supply Voltage Operation

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Self-Protection Design (Including Undervoltage,

TPA3250D2

HTSSOP (44)

6.10mm x 14.00mm

Overtemperature, Clipping, and Short Circuit

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

Protection) With Error Reporting

the end of the datasheet.

Simplified Schematic

Total Harmonic Distortion

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.