tas5706 hear the difference! industries 1 st closed-loop digital-input class d amplifier
TRANSCRIPT
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TAS5706
Hear the Difference!Industries 1st Closed-Loop Digital-Input Class D Amplifier
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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
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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
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Closed Loop Advantages:
Higher Damping Factor
Greater PSRR
Improved EMC Performance
Constant Volume Levels
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Greater PSRRHigh Quality Audio from a Low Quality Supply
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Higher Damping Factor Tighter, More Accurate Sound with Improved Bass
3 cycle burst of an 80Hz signal
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3 cycle burst of an 80Hz signal
Higher Damping Factor Tighter, More Accurate Sound with Improved Bass
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Improved EMCLess Board Spins, Quicker Time to Market
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New Graphical Development Environment
PurePath STUDIO
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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