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TAS5805M

ACTIVE

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

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Data sheet

TAS5805M

ACTIVE
Data sheet Order now

Product details

Audio input type Digital Input Architecture Class-D Speaker channels (max) Stereo Control interface I2C Output power (W) 23 Power stage supply (max) (V) 26.4 Power stage supply (min) (V) 4.5 RDS(on) (Ω) 0.09 THD + N at 1 kHz (%) 0.03 Load (min) (Ω) 4 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 26.4 Rating Catalog Operating temperature range (°C) -25 to 85
Audio input type Digital Input Architecture Class-D Speaker channels (max) Stereo Control interface I2C Output power (W) 23 Power stage supply (max) (V) 26.4 Power stage supply (min) (V) 4.5 RDS(on) (Ω) 0.09 THD + N at 1 kHz (%) 0.03 Load (min) (Ω) 4 Analog supply voltage (min) (V) 4.5 Analog supply voltage (max) (V) 26.4 Rating Catalog Operating temperature range (°C) -25 to 85
HTSSOP (PWP) 28 62.08 mm² (9.7 mm × 6.4 mm)
  • 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
    • Sound Field Spatializer option
  • Integrated Self-Protection
    • Adjacent Pin to Pin Short Without Damage
    • 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
      • Fewer Passives Required Compared to Open-Loop Devices
      • Inductor-less Operation (Ferrite Bead) for most cases where PVDD ≤ 14V
  • 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
    • Sound Field Spatializer option
  • Integrated Self-Protection
    • Adjacent Pin to Pin Short Without Damage
    • 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
      • Fewer Passives Required Compared to Open-Loop Devices
      • Inductor-less Operation (Ferrite Bead) for most cases where PVDD ≤ 14V

The TAS5805M 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 TI’s proprietary Hybrid Modulation scheme, the TAS5805M consumes very-low quiescent current (16.5 mA at 13.5 V PVDD), extending battery life in portable audio applications. With advanced EMI suppression technology, designers can leverage inexpensive ferrite bead filters to reduce board space and system cost.

The TAS5805M 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 TI’s proprietary Hybrid Modulation scheme, the TAS5805M consumes very-low quiescent current (16.5 mA at 13.5 V PVDD), extending battery life in portable audio applications. With advanced EMI suppression technology, designers can leverage inexpensive ferrite bead filters to reduce board space and system cost.
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Technical documentation

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* Data sheet TAS5805M 23-W, Inductor-Less, Digital Input, Stereo, Closed-Loop Class-D Audio Amplifier with Enhanced Processing and Low Power Dissipation datasheet (Rev. D) PDF | HTML Nov 4, 2020
Application note How to Avoid Distortion in TAS58xx PDF | HTML Jul 15, 2026
Application note How to Avoid Overcurrent Shutdown in TAS58xx Devices PDF | HTML Jun 9, 2026
Application note Mastering Audio Performance with TAS58xx Family of Class-D Audio Amplifiers PDF | HTML May 29, 2026
Application note How to Improve the Efficiency of TAS58xx Audio Amplifier PDF | HTML May 13, 2026
Application brief Speaker, TV, Soundbar Audio Amplifiers: Features, Benefits, and Selection Guide PDF | HTML Mar 11, 2026
White paper How to Choose a Class-D Audio Amplifier (Rev. A) PDF | HTML Aug 28, 2020
Application note TAS5805M, TAS5806M, and TAS5806MD Process Flows (Rev. A) Jul 3, 2019
Application note General Tuning Guide for TAS58xx Family May 28, 2019
Application note Thermal design considerations for TAS5805M Class-D audio amplifier Jan 25, 2019
Application brief TAS5805M Transition Guide – from TAS5707, TAS5733L, TAS5751M Nov 14, 2018
Application note Minimize Idle Current in Portable Audio With TAS5805M Hybrid Mode May 23, 2018

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