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TAS5706 Hear the Difference! Industries 1 st Closed-Loop Digital-Input Class D Amplifier.

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Presentation on theme: "TAS5706 Hear the Difference! Industries 1 st Closed-Loop Digital-Input Class D Amplifier."— Presentation transcript:

1 TAS5706 Hear the Difference! Industries 1 st Closed-Loop Digital-Input Class D Amplifier

2 Home Audio Amplifier Families TPA3000 Family 3-20W Stereo/Mono TPA3100 Family 10-40W Stereo/Mono TPA3120 Family 15-50W Stereo/Mono Single Ended TAS5700 Family 20W Digital-Input + Processing NEW! Class-D Milestones Shipped 1 st Class-D amp in 1998 Delivered over 900M amps to date Shipped to every flat panel TV manufacturer

3 TAS5706 20-W Stereo Digital Amplifier with Integrated Feedback Volume Loudness BQ Full Bridge Serial Audio 7 BQ 2 BQ 7 BQ (L) (R) (SUB) DRC PWM Modulator Full Bridge PWM HP PWM Sub Output Mux Input Mux Bass Mgmt SDIN1 SDIN2 + 20W @ 8Ω 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

4 Closed Loop Advantages: Higher Damping Factor Greater PSRR Improved EMC Performance Constant Volume Levels

5 Greater PSRR High Quality Audio from a Low Quality Supply

6 Higher Damping Factor Tighter, More Accurate Sound with Improved Bass 3 cycle burst of an 80Hz signal

7 Higher Damping Factor Tighter, More Accurate Sound with Improved Bass

8 Improved EMC Less Board Spins, Quicker Time to Market

9 New Graphical Development Environment PurePath STUDIO

10 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


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