23-W stereo, 45-W mono, 4.5- to 26.4-V, digital input Class-D audio amplifier w/ processing & P2P


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) 4 Output power (W) 23 SNR (dB) 107 THD + N @ 1 kHz (%) 0.03 Iq (Typ) (mA) 16.5 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) -25 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


  • Supports multiple output configurations
    • 2 × 23 W in 2.0 mode (8-Ω, 21 V, THD+N=1%)
    • 45 W in mono mode (4-Ω, 21 V, THD+N=1%)
  • Excellent audio performance
    • THD+N ≤ 0.03% at 1 W, 1 kHz, PVDD = 12 V
    • SNR ≥ 107 dB (A-weighted), noise level < 40 µVRMS
  • Low quiescent current with hybrid modulation
    • 16.5 mA at PVDD = 13.5 V , 22 µH + 0.68 µF filter
  • Flexible power supply configurations
    • PVDD: 4.5 V to 26.4 V
    • DVDD and I/O: 1.8 V or 3.3 V
  • Flexible audio I/O
    • I2S, LJ, RJ, TDM, 3-wire digital audio interface (no MCLK required)
    • Supports 32, 44.1, 48, 88.2, 96 kHz sample rates
    • SDOUT for audio monitoring, sub-channel or echo cancellation
  • Enhanced audio processing
    • Multi-band advanced DRC and AGL
    • 2×15 BQs, thermal foldback, DC blocking
    • Input mixer, output crossbar, level meter
    • 5 BQs + 1 band DRC +THD manager for the subwoofer channel
  • Integrated self-protection
    • Adjacent pin-to-pin short without device damage
    • Over-current error (OCE)
    • Over-temperature warning (OTW)
    • Over-temperature error (OTE)
    • Under or Over-Voltage Lock-out (UVLO/OVLO)
  • Easy system integration
    • I2C software control
    • Reduced solution size
      • Fewer passives required compared to open-loop devices
      • Inductor-less operation (ferrite bead) for most cases where PVDD ≤ 14V
  • Pin-to-pin compatible with TAS5806MD

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The TAS5806M is a high-efficiency, stereo, closed-loop Class-D amplifier offering a cost-effective digital input solution with low power dissipation and sound enrichment. The device’s integrated audio processor and 96 kHz architecture support advanced audio process flow, including SRC, 15 BQs per channel, volume control, audio mixing, 3-band 4th order DRC, full-band AGL, THD manager and level meter.

Featuring the TI proprietary Hybrid Modulation scheme, the TAS5806M consumes low quiescent current (16.5 mA at 13.5 V PVDD), extending battery life in portable audio applications. With advanced EMI suppression technology, for applications under 10 W designers can leverage inexpensive ferrite bead filters to reduce board space and system cost.

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Technical documentation

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Type Title Date
* Data sheet TAS5806M 23-W, Inductor-Less, Digital Input, Stereo, Closed-Loop Class-D Audio Amplifier with Enhanced Processing and Low Power Dissipation datasheet Mar. 29, 2018
Application note TAS5805M, TAS5806M, and TAS5806MD Process Flows (Rev. A) Jul. 03, 2019
More literature TAS5806MEVM User's Guide May 31, 2019

Design & development

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Hardware development

  • 96-kHz Input sample rate support
  • 2.0, mono and 2.1 capable
  • Operates in BTL or PBTL
  • Flexible input signal routing
  • Demonstration, evaluation and development environment via the PurePath Console 3 software (GUI)

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