TAS5706

Hear the Difference!Industries 1st Closed-Loop Digital-Input Class D Amplifier

Home Audio Amplifier Families

TPA3000 Family3-20W

Stereo/Mono

TPA3100 Family10-40W Stereo/Mono

TPA3120 Family15-50W Stereo/Mono

Single Ended

TAS5700 Family20W Digital-Input +

Processing

NEW!

Class-D MilestonesShipped 1st Class-D amp in 1998Delivered over 900M amps to dateShipped to every flat panel TV manufacturer

TAS5706 20-W Stereo Digital Amplifier with Integrated Feedback

Volum

e

LoudnessBQ

Full Bridge

Serial Audio

7 BQ

2 BQ

7 BQ

(L)

(R)

(SUB)

DRC

DR

C

PW

M M

odulator

Full Bridge

PWMHP

PWMSub

Output M

ux

Input Mux

BassMgmt

SDIN1

SDIN2

+ 20W @ 8Ω

+ 20W @ 8Ω

PWM Out

PWM Out

I2C

• 2x Digital I/F’s (I2S or LJ/RJ)

• On Chip Audio Processing• Speaker EQ (16 BQ’s), DRC• Mixers, AM Avoid, Loudness, etc

• Wide Vcc Range (10 to 26V) + 3.3 Vdd

• Closed Loop Architecture• Tighter, more accurate sound with improved Bass response• Improved PSRR, EMC, etc.

• Head Phone & Sub outputs

• I2C control

10-26V Vcc

3.3V Vdd

On-Chip DAP

• Output Configurations (40W Total)• 2x 20W (BTL) Stereo• 4x 10W (SE) Quad• 2x 10W (SE) + 1x 20W (BTL) • 2x 20W (BTL) + Ext PWM Sub 2.1

Closed Loop Advantages:

Higher Damping Factor

Greater PSRR

Improved EMC Performance

Constant Volume Levels

Greater PSRRHigh Quality Audio from a Low Quality Supply

Higher Damping Factor Tighter, More Accurate Sound with Improved Bass

3 cycle burst of an 80Hz signal

3 cycle burst of an 80Hz signal

Higher Damping Factor Tighter, More Accurate Sound with Improved Bass

Improved EMCLess Board Spins, Quicker Time to Market

New Graphical Development Environment

PurePath STUDIO

TAS5706: Closing the Loop in Digital Performance

Digital Input

Closed Loop Architecture

On-Chip Audio Processing

Flexible Output Configurations

For additional information visit www.ti.com/tas5706