TAS3251 - Texas Instruments

TAS3251 350-W Mono Ultra-HD Digital-Input Class-D Amplifier

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 highpower single-chip solution reduces overall system solution size.

Features

•1 Flexible Audio Inputs
  – I2S, TDM, Left-Justified, Right-Justified
  – 32 kHz, 44.1 kHz, 48 kHz, 96 kHz
  – Supports 3-Wire Digital Input (No MCLK)
• Total Output Power at 10% THD+N
  – 175-W Stereo into 4 Ω in BTL Configuration
  – 220-W Stereo into 3 Ω in BTL Configuration
  – 350-W Mono into 2 Ω in PBTL Configuration
• Total Output Power at 1% THD+N
  – 140-W Stereo into 4 Ω in BTL Configuration
  – 175-W Stereo into 3 Ω in BTL Configuration
  – 285-W Mono into 2 Ω in PBTL Configuration
• Advanced Integrated Closed-Loop Design
  – Ultra Low 0.01% THD+N at 1 W Into 4 Ω
  – <0.01% THD+N to Clipping
  – 60 dB PSR.