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TAS5707-TAS5707PHP-TAS5707PHPR
20-W Stereo I2S Audio Power Amplifier with Speaker EQ and DRC
TAS5707, TAS5707A
www.ti.com SLOS556B –NOVEMBER 2008–REVISED NOVEMBER 2009
20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC
Checkfor Samples: TAS5707 TAS5707A
1FEATURES
23• Audio Input/Output Night-Mode Listening 20-W Intoan 8-Ω Load Froman 18-V Supply – Autobank Switching: Preload Coefficients
for Different Sample Rates. No Needto– Wide PVDD Range, From8Vto26V Write New Coefficientsto the Part When– Efficient Class-D Operation Eliminates Sample Rate Changes.Need for Heatsinks Autodetect: Automatically Detects– Requires Only 3.3V and PVDD Sample-Rate Changes. No Need for– One Serial Audio Input (Two Audio External Microprocessor InterventionChannels) Supports 8-kHzto 48-kHz Sample Rate APPLICATIONS(LJ/RJ/I2S) • Television Audio/PWM Processing • iPod™ Dock Independent Channel Volume Controls With • Sound Bar dBto Mute
DESCRIPTION– Soft Mute (50% Duty Cycle) Programmable Dynamic Range Control The TAS5707isa 20-W, efficient, digital-audio power
amplifier for driving stereo bridge-tied speakers. One
– 14 Programmable Biquads for Speaker EQserial data input allows processing of up to two
and Other Audio Processing Features discrete audio channels and seamless integrationto
– Programmable Coefficients for DRC Filters most digital audio processors and MPEG decoders.
– DC Blocking Filters The device acceptsa wide rangeof input data and
data rates.A fully programmable data path routes
• General Featuresthese channelsto the internal speaker drivers.
– Serial Control Interface Operational Without
MCLK The TAS5707isa slave-only device receiving all
clocks from external sources. The TAS5707 operates
– Factory-Trimmed Internal Oscillator for witha PWM carrier betweena 384-kHz switching rate
Automatic Rate Detection and 352-KHz switching rate, depending on the input
– Surface Mount, 48-PIN, 7-mm× 7-mm sample rate. Oversampling combined with a fourth-order noise shaper providesa flat noise floor
and excellent dynamic range from 20 Hzto20 kHz..
Protection The TAS5707Ais identicalin functionto the HTQFP
packaged TAS5707, but hasa uniqueI2C device
Improves Audioof the TAS5707is 0x36. Theis 0x3A.
Can
