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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