TAS5805M - TAS5805M 23-W, Digital Input, Stereo, Closed-Loop Class-D Audio Amplifier with Extended Processing

The TAS5805M is a high-efficiency, stereo, closed-loop Class-D amplifier offering acost-effective digital-input solution with low power dissipation and sound enrichment. The device’sintegrated audio processor and 96 kHz architecture support advanced audio process flow, includingSRC, 15 BQs per channel, volume control, audio mixing, 3-band 4th order DRC, full-band AGL, THDmanager and level meter.

Featuring TI’s proprietary Hybrid Modulation scheme, the TAS5805M consumes very-lowquiescent 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 filtersto reduce board space and system cost.

• 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 µV_RMS
• 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

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