TAS5704PAPR ,20-W Stereo Closed-loop I2S Audio Power Amplifier with Speaker EQ and DRC (H/W Controlled) 64-HTQFP 0 to 85These devices have limited built-in ESD protection. The leads should be shorted together or the dev ..
TAS5704PAPRG4 ,20-W Stereo Closed-loop I2S Audio Power Amplifier with Speaker EQ and DRC (H/W Controlled) 64-HTQFP 0 to 85TAS5704
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TAS5706BPAPR ,20W Closed-loop I2S Audio Power Amplifier with Speaker EQ, DRC and SE output support 64-HTQFP 0 to 85These devices have limited built-in ESD protection. The leads should be shorted together or the dev ..
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TAS5704-TAS5704PAP-TAS5704PAPR-TAS5704PAPRG4
20-W Stereo Closed-loop I2S Audio Power Amplifier with Speaker EQ and DRC (H/W Controlled) 64-HTQFP 0 to 85
TAS5704
www.ti.com SLOS563A –MARCH 2008–REVISED AUGUST 2010
20-W Stereo Digital Audio Power Amplifier With Feedback
Checkfor Samples: TAS5704
1FEATURES Audio Input/Output • Thermal and Short-Circuit Protection 20-W intoan 8-Ω Load Froman 18-V Supply spacer
DESCRIPTION– Two Serial Audio Inputs (Four Audio
Channels) The TAS5704isa 20-W, efficient, digital audio power
amplifier for driving stereo bridge-tied speakers. Two
– Supports Multiple Output Configurations:serial data inputs allow processing of up to four
– 2-Ch Bridged Outputs (20W×2) discrete audio channels and seamless integrationto
– 4-Ch Single-Ended Outputs (10W×4) most digital audio processors acceptinga wide range
2-Ch Single-Ended+ 1-Ch Bridged (2.1) of input data and clock rates. A hardware
configurable data path allows these channelsto be
(10W×2+20 W)routedto the internal speaker driversor output via the
• Closed Loop Power Stage Architecture subwoofer PWM outputs.
– Improved PSRR Reduces Power Supply The TAS5704isa slave-only device receiving all
Performance Requirements clocks from external sources. The TAS5704 operates
– Higher Damping Factor Provides for ata 384-kHz switching rate for 32-, 48-, 96-, and
Tighter, More Accurate Sound With 192-kHz data, andata 352.8 kHz switching rate for
Improved Bass Response 44.1-, 88.2-, and 176.4-kHz data. The 8×
oversampling combined with the fourth-order noise
– Lower EMC Emissionsshaper providesa flat noise floor and excellent
– Output Poweris Independentof Supply dynamic range from20 Hzto20 kHz.
Voltage VariationThe closed-loop architecture of the TAS5704
• Wide PVCC Range From (10Vto26V) provides several benefits. The high power supply
• Supports 32-kHz–192-kHz (DVD-Audio) Sample rejection enables superior audio performance froma
Rates (LJ/RJ/I2S) noisy, low cost supply. The high damping factor
Line-Level Subwoofer PWM Outputs allows tighter control over speaker movement
resulting in an improved bass response. Finally,
• Audio/PWM Processing (Hardware Controlled) switching edge rate control lowers EMC emissions
– 4-Step Gain Control (-3dB, 3dB, 9dB, 12dB) without sacrificing audio performance.
– Soft Mute Control (50% Output Duty Cycle) Oscillator Enablesof Incoming Sample
