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TAS5705PAPRTI N/a35688avai20-W Stereo I2S Audio Power Amplifier with Speaker EQ and DRC 64-HTQFP 0 to 85


TAS5705PAPR ,20-W Stereo I2S Audio Power Amplifier with Speaker EQ and DRC 64-HTQFP 0 to 85FEATURES Sample Rates23• Audio Input/Output – Thermal and Short-Circuit Protection– 20-W Into an 8- ..
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TAS5706PAPR ,20-W Stereo Closed-loop I2S Audio Power Amplifier with Speaker EQ and DRC 64-HTQFP 0 to 85FEATURES – Adaptive Biquad Coefficients for EQ andDRC Filters23• Audio Input/Output– Programmable I ..
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TAS5705PAPR
20-W Stereo I2S Audio Power Amplifier with Speaker EQ and DRC
TAS5705
www.ti.com................................................................................................................................................
SLOS549A–JUNE 2008–REVISED SEPTEMBER 2009
20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC
Checkfor Samples: TAS5705
1FEATURES Sample Rates
23• Audio Input/Output – Thermal and Short-Circuit Protection 20-W Intoan 8-Ω Load Froman 18-V Supply • Benefits Wide Power-Supply Range From(8Vto – EQ: Speaker Equalization Improves AudioV) Performance Efficient Class-D Operation Eliminates – DRC: Dynamic Range Compression.
Need for Heat Sinks Enables Power Limiting, Speaker
Protection, Easy Listening, Night-Mode– Requires Only Two Power-Supply Rails Listening– Two Serial Audio Inputs (Four Audio Autobank Switching: Preload CoefficientsChannels)
for Different Sample Rates. No Needto– Supports 32-kHz–192-kHz Sample Rates Write Any Coefficientsto the Part When(LJ/RJ/I2S) Sample Rate Changes.– Headphone PWM Outputs – Autodetect: Automatically Detects– Subwoofer PWM Outputs Sample-Rate Changes. No Need for Audio/PWM Processing External Microprocessor Intervention Independent Channel Volume Controls With
24-dBto –100-dB Range DESCRIPTION Soft Mute (50% Duty Cycle)
The TAS5705isa 20-W, efficient, digital audio power
amplifier for driving stereo bridge-tied speakers. Two– Programmable Dynamic Range Control
serial data inputs allow processing of up to four– 16 Adaptable Biquads for Speaker EQ discrete audio channels and seamless integrationto– Seven Biquads for Left and Right most digital audio processors and MPEG decoders.Channels The device acceptsa wide rangeof input data and
clock rates.A fully programmable data path allows– Two Biquads for Subwoofer Channel
these channelsto be routedto the internal speaker– Adaptive Coefficients for DRC Filters drivers or output via the line-level subwoofer or– Programmable Input and Output Mixers headphone PWM outputs. DC Blocking Filters The TAS5705isa slave-only device receiving clocks for Subwoofer from external sources. The TAS5705 operatesata
384-kHz switching rate for 32-, 48-, 96-,and 192-kHz and
data and 352.8-kHz switching rate for 44.1-, 88.2- and EQ and 176.4-kHz data. The 8× oversampling combined noise shaper providesa flat Operational dynamic range from 20 Hz to20 kHz.of Incoming
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