35-W, inductor-less, digital input, stereo, closed-loop Class-D amp with 96-kHz enhanced process


Product details


Audio input type Digital Input Architecture Class-D Speaker channels (Max) Stereo Power stage supply (Max) (V) 26.4 Power stage supply (Min) (V) 4.5 Load (Min) (ohms) 6 Output power (W) 35 SNR (dB) 110 THD + N @ 1 kHz (%) 0.06 Control interface I2C Closed/open loop Closed Analog supply (Min) (V) 4.5 Analog supply (Max) (V) 26.4 Sampling rate (Max) (kHz) 96 PSRR (dB) 72 Operating temperature range (C) -40 to 85 open-in-new Find other Speaker amps

Package | Pins | Size

HTSSOP (DCP) 38 43 mm² 9.7 x 4.4 open-in-new Find other Speaker amps


  • Flexible audio I/O:
    • Supports 32, 44.1, 48, 88.2, 96 kHz sample rates
    • I2S, LJ, RJ, TDM
    • SDOUT for audio monitoring, sub-channel or echo cancellation
    • PLL integrated, supports 3-Wire digital audio interface (no MCLK required)
    • Supports stereo bridge-tied or mono parallel bridge-tied loads (BTL and PBTL)
  • Efficient class-D operation:
    • > 90% power efficiency, 90 mΩ RDSon
  • Supports multiple output configurations
    • 2 × 35 W in 2.0 Mode (8-Ω, 24 V, THD+N=1%)
    • 2 × 22 W in 2.0 Mode (6-Ω, 18 V, THD+N=1%)
  • Excellent audio performance:
    • THD+N ≤ 0.06% at 1 W, 1 kHz, PVDD = 24 V
    • SNR ≥ 110 dB (A-weighted), ICN ≤ 40 µVRMS
  • Enhanced audio processing:
    • Sample rate convertor
    • 96-kHz processor sampling
    • DC blocking, 2 ×14 BQs, THD manager
    • DPEQ, Volume Control
    • Input Mixer, Output Crossbar
    • 4th order 2-Band DRC + AGL
    • Over temperature fold back
  • Flexible power supply configurations
    • PVDD: 4.5 V to 26.4 V
    • DVDD and I/O: 1.8 V or 3.3 V
  • Excellent Integrated self-protection:
    • Over-current error (OCE)
    • Over-temperature warning (OTW)
    • Over-temperature error (OTE)
    • Under/over-voltage lock-out (UVLO/OVLO)
  • Easy system integration
    • I2C Software Control
    • Reduced solution size
      • Less passives required compared with open loop devices
      • Ultra Low EMI with latest EMI technology
      • No large inductors required for most applications
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The TAS5822M is a High Efficiency digital input Class-D audio amplifier for driving loudspeakers used in consumer, commercial, and industrial electronics. .

The high-performance closed loop architecture and wide-switching frequency range reduces the solution size by reducing passive components and minimize the inductor size in most applications. TAS5822M has an integrated audio processor with up to 96-kHz architecture support advanced process flow.

This device supports high efficiency 1SPW modulation with adjustable Class D loop bandwidth to achieve good audio performance.

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Type Title Date
* Data sheet TAS5822M 35-W, Digital Input, Stereo, Closed-Loop Class-D Audio Amplifier with 96kHz Enhanced Processing datasheet Jan. 13, 2020
User guide TAS5822M Evaluation Module User's Guide Oct. 09, 2020

Design & development

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Hardware development

document-generic User guide
The TAS5822MEVM evaluation module (EVM) showcases the TAS5822M. The TAS5822M is a digital input stereo Class-D closed loop audio amplifier with enhanced processing and low idle power dissipation. The TAS5822MEVM is a stand-alone EVM, which has a single power supply input, USB control through (...)
  • Standalone evaluation module
  • Runs with I2C initialization
  • GUI control through USB port

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HTSSOP (DCP) 38 View options

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