TAS5706A Series

20-W stereo, 10- to 26-V, digital input, Class-D audio amplifier w/ speaker EQ & DRC, SE output

Catalog

20-W stereo, 10- to 26-V, digital input, Class-D audio amplifier w/ speaker EQ & DRC, SE output

Part	Operating Temperature [Max]	Package / Case	Max Output Power x Channels @ Load [x]	Max Output Power x Channels @ Load	Type	Features	Supplier Device Package	Voltage - Supply [Min]	Voltage - Supply [Max]	Output Type	Mounting Type
Texas Instruments TAS5706PAPR	85 C	64-PowerTQFP	2	20.6 W	Class D	Depop Digital Inputs I2C I2S Mute Short-Circuit and Thermal Protection Shutdown Volume Control	64-HTQFP (10x10)	10 VDC	26 V	2-Channel (Stereo) 4-Channel (Quad)	Surface Mount
Texas Instruments TAS5706BPAP	85 C	64-PowerTQFP	2	20.6 W	Class D	Depop Digital Inputs I2C I2S Mute Short-Circuit and Thermal Protection Shutdown Volume Control	64-HTQFP (10x10)	10 VDC	26 V	2-Channel (Stereo) 4-Channel (Quad)	Surface Mount
Texas Instruments TAS5706APAPR	85 C	64-PowerTQFP	2	20.6 W	Class D	Depop Digital Inputs I2C I2S Mute Short-Circuit and Thermal Protection Shutdown Volume Control	64-HTQFP (10x10)	10 VDC	26 V	2-Channel (Stereo) 4-Channel (Quad)	Surface Mount
Texas Instruments TAS5706BPAPR	85 C	64-TQFP Exposed Pad	2	20.6 W	Class D	Depop Digital Inputs I2C I2S Mute Short-Circuit and Thermal Protection Shutdown Volume Control	64-HTQFP (10x10)	10 VDC	26 V	2-Channel (Stereo) 4-Channel (Quad)	Surface Mount

Catalog

20-W stereo, 10- to 26-V, digital input, Class-D audio amplifier w/ speaker EQ & DRC, SE output

Key Features

• Audio Input/Output20-W into an 8-Load From an 18-V SupplyTwo Serial Audio Inputs (Four Audio Channels)TAS5706A Supports:2-Ch Bridged Outputs (20 W × 2)TAS5706B Supports:2-Ch Bridged Outputs (20 W × 2)4-Ch Single-Ended Outputs (10 W × 4)2-Ch Single-Ended + 1-Ch Bridged (2.1 Mode) (10 W × 2 + 20 W)Supports 32-kHz-192-kHz Sample Rates (LJ/RJ/I2S)Closed Loop Power Stage ArchitectureImproved PSRR Reduces Power Supply Performance RequirementsHigher Damping Factor Provides for Tighter, More Accurate Sound With Improved Bass ResponseConstant Output Power Over Variation in SupplyWide PVCC Range From (10 V to 26 V)No Separate Supply Required for Gate DriveHeadphone PWM OutputsSubwoofer PWM OutputsAM Interference Avoidance SupportAudio/PWM ProcessingIndependent Channel Volume Controls With 48-dB to -79-dB Range—Soft Mute (50% Duty Cycle)Programmable Dynamic Range Control7 Programmable Biquads for Speaker Equalization for Left and Right Channels4 Programmable Biquads for Bass ProcessingAdaptive Biquad Coefficients for EQ and DRC FiltersProgrammable Input and Output MixersAutomatic Sample-Rate Detection and Coefficient BankingGeneral FeaturesSerial Control Interface Operational Without MCLKFactory-Trimmed Internal Oscillator Avoids the Need for External CrystalSurface Mount, 64-Terminal, 10-mm × 10-mm HTQFP PackageThermal and Short-Circuit ProtectionAll trademarks are the property of their respective owners.Audio Input/Output20-W into an 8-Load From an 18-V SupplyTwo Serial Audio Inputs (Four Audio Channels)TAS5706A Supports:2-Ch Bridged Outputs (20 W × 2)TAS5706B Supports:2-Ch Bridged Outputs (20 W × 2)4-Ch Single-Ended Outputs (10 W × 4)2-Ch Single-Ended + 1-Ch Bridged (2.1 Mode) (10 W × 2 + 20 W)Supports 32-kHz-192-kHz Sample Rates (LJ/RJ/I2S)Closed Loop Power Stage ArchitectureImproved PSRR Reduces Power Supply Performance RequirementsHigher Damping Factor Provides for Tighter, More Accurate Sound With Improved Bass ResponseConstant Output Power Over Variation in SupplyWide PVCC Range From (10 V to 26 V)No Separate Supply Required for Gate DriveHeadphone PWM OutputsSubwoofer PWM OutputsAM Interference Avoidance SupportAudio/PWM ProcessingIndependent Channel Volume Controls With 48-dB to -79-dB Range—Soft Mute (50% Duty Cycle)Programmable Dynamic Range Control7 Programmable Biquads for Speaker Equalization for Left and Right Channels4 Programmable Biquads for Bass ProcessingAdaptive Biquad Coefficients for EQ and DRC FiltersProgrammable Input and Output MixersAutomatic Sample-Rate Detection and Coefficient BankingGeneral FeaturesSerial Control Interface Operational Without MCLKFactory-Trimmed Internal Oscillator Avoids the Need for External CrystalSurface Mount, 64-Terminal, 10-mm × 10-mm HTQFP PackageThermal and Short-Circuit ProtectionAll trademarks are the property of their respective owners.

Description

The TAS5706A/B is a 20-W, efficient, digital audio power amplifier for driving stereo bridged-tied speakers. Two serial data inputs allow processing of up to four discrete audio channels and seamless integration to most digital audio processors and MPEG decoders, accepting a wide range of input data and clock rates. A fully programmable data path allows these channels to be routed to the internal speaker drivers or output via the subwoofer or headphone PWM outputs. The TAS5706A/B is a slave-only device receiving all clocks from external sources. The TAS5706A/B operates at a 384-kHz switching rate for 32-, 48-, 96-, and 192-kHz data, and at a 352.8 kHz switching rate for 44.1-, 88.2-, and 176.4-kHz data. The 8× oversampling combined with the fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz. The TAS5706A/B is a 20-W, efficient, digital audio power amplifier for driving stereo bridged-tied speakers. Two serial data inputs allow processing of up to four discrete audio channels and seamless integration to most digital audio processors and MPEG decoders, accepting a wide range of input data and clock rates. A fully programmable data path allows these channels to be routed to the internal speaker drivers or output via the subwoofer or headphone PWM outputs. The TAS5706A/B is a slave-only device receiving all clocks from external sources. The TAS5706A/B operates at a 384-kHz switching rate for 32-, 48-, 96-, and 192-kHz data, and at a 352.8 kHz switching rate for 44.1-, 88.2-, and 176.4-kHz data. The 8× oversampling combined with the fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz.