TAS3251 is a digital-input, high-performance Class-D audio amplifier that enables true premium sound quality with Class-D efficiency. The digital front-end features a high-performance Burr-Brown™ DAC with integrated DSP for advanced audio processing, including SmartAmp and SmartEQ. The first high-power single-chip solution reduces overall system solution size and cost. The DSP is supported by TI PurePath™ Console Graphical tuning software for quick and easy speaker tuning and control. The Class-D power stage features advanced integrated feedback and proprietary high-speed gate drive error correction for ultra-low distortion and noise across the audio band. The device operates in AD-mode and can drive up to 2 x 175 W into 4 Ω load and 2 x 220 W into 3 Ω load.
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|Part number||Order||Audio input type||Architecture||Speaker channels (Max)||Power stage supply (Min) (V)||Power stage supply (Max) (V)||Output power (W)||Load (Min) (ohms)||SNR (dB)||THD + N @ 1 kHz (%)||Iq (Typ) (mA)||Control interface||Closed/open loop||Analog supply (Min) (V)||Analog supply (Max) (V)||Power to parallel bridge tied load (Max) (W)||Sampling rate (Max) (kHz)||PSRR (dB)||Operating temperature range (C)||Rating|
|Stereo||12||38||175||1||108||0.01||12.5||Hardware||Closed||10.8||13.2||350||96||60||0 to 70||Catalog|
||Digital Input||Class-D||Stereo||4.5||26.4||40||2||103||0.007||56||Software||Closed||2.9||3.63||75||192||-25 to 85||Catalog|
||Digital Input||Class-D||Stereo||4.5||26.4||40||2||104||0.006||56||Software||Closed||4.5||26.4||75||192||-25 to 85||Catalog|
||Digital Input||Class-D||Stereo||4.5||26.4||40||3||103||0.2||81.3||Software||Closed||4.5||26.4||40||96||-25 to 85||Catalog|