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2-Channel Stereo Audio Amplifier

TPA3251D2DDVR General Description

The TPA3251D2DDVR is truly a game-changer in the realm of class-D power amplifiers. With its cutting-edge integrated feedback design and high-speed gate driver error correction technology, this amplifier delivers unparalleled audio quality with minimal distortion. Capable of driving up to 2 x 175 W into a 4-Ω load and 2 x 220 W into a 3-Ω load, the TPA3251 ensures a powerful audio experience. Its 2 VRMS analog input interface pairs seamlessly with top-of-the-line DACs like TI's PCM5242, guaranteeing exceptional sound performance. Furthermore, this amplifier stands out for its remarkable energy efficiency, boasting low power stage idle losses of less than 1 W. By utilizing 60 mΩ MOSFETs and a specialized gate driver scheme, the TPA3251 achieves superior efficiency compared to traditional discrete implementations

Key Features

  • 32-V input voltage rating
  • Efficiency up to 90%
  • High-quality audio performance
  • Flexible input options (analog, digital)
  • Adaptive feedback control
  • Thermal and short-circuit protection
  • Small footprint package
  • Low distortion and noise characteristics
  • Application

  • The TPA3251D2DDVR, a Class D amplifier, is commonly used in audio applications such as soundbars, home theater systems, and high-fidelity stereo amplifiers
  • It offers high efficiency, low distortion, and a compact size, making it ideal for various consumer audio products that require powerful and clear audio reproduction
  • Specifications

    Audio input type Analog Input Architecture Class-D
    Speaker channels (max) 4 Rating Catalog
    Power stage supply (max) (V) 36 Power stage supply (min) (V) 12
    Load (min) (Ω) 1.5 Output power (W) 175
    SNR (dB) 111 THD + N at 1 kHz (%) 0.005
    Iq (typ) (mA) 12.5 Control interface Hardware
    Closed/open loop Closed Analog supply (min) (V) 10.8
    Analog supply voltage (max) (V) 13.2 PSRR (dB) 80
    Operating temperature range (°C) 0 to 70

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    In Stock: 6,634

    Minimum Order: 1

    Qty. Unit Price Ext. Price
    1+ $4.928 $4.93
    10+ $4.334 $43.34
    30+ $3.971 $119.13
    100+ $3.667 $366.70

    The prices below are for reference only.