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TAS5731PHPR
20-W Stereo (2.1) Class-D Audio Amp w/ Audio Processing
TAS5731
www.ti.com SLOS726A –DECEMBER 2011–REVISED SEPTEMBER 2013
× 20-W DIGITAL AUDIO POWER AMPLIFIER WITH DSP AND 2.1 MODE
Checkfor Samples: TAS5731
1FEATURES APPLICATIONS 2-ChI2S Input; 8-kHzto 48-kHzfS • LCD TV 20-W Stereo,8 Ω/18V (THD+N= 10%) • LED TV Upto 90% Efficient Operation • Sound Bar Wide 8-V to- 21-V Supply Range; DESCRIPTION3.3-V Digital SupplyThe TAS5731isa 20-W, efficient, digital-audio stereo
• Single-Device 2.1 Support(2× SE+1× BTL) power amplifier for driving stereo bridge-tied
• 70-mΩ RDS(on) Device That Can Support 2-Ω SE speakers. One serial data input allows processingof
and 4-Ω BTL Modes up to two discrete audio channels and seamless
integration to most digital audio processors and
– 12V/2Ω/8W With SE modeMPEG decoders. The device acceptsa wide rangeof
– 12V/4Ω/15W With BTL mode input data and data rates.A fully programmable data
• Speaker EQ(8 BQ per Channel),2× DRCs path routes these channelsto the internal speaker
P2P Compatible With the TAS5727 drivers.
Benefits The TAS5731isa slave-only device receiving all
clocks from external sources. The TAS5731 operates
– Direct Connectto Digital Processorwitha PWM carrier betweena 384-kHz switching rate
– High Output Power Froma Standard anda 352-kHz switching rate, dependingon the input
Supply sample rate. Oversampling combined witha fourth-
– Eliminates Need for Heat Sink order noise shaper providesa flat noise floor and
excellent dynamic range from20 Hzto 20 kHz.
– Advanced Processing Improves Audio
Experience
