TAS5806MD Texas instruments

TAS5806MD

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TAS5806MD

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Описание

The TAS5806MD 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 TIs proprietary Hybrid Modulation scheme, the TAS5806MD 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, for applications under 10 W designers can leverage inexpensive ferrite bead filters to reduce board space and system cost. The device has an integrated DirectpathTM Headphone amplifier and line driver to increase the system-level integration and reduce total solution costs.

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
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
- Over-temperature warning and error
- Under-voltage, 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
  - Stereo headphone, stereo line drivers adjust gain through I²C
  - DirectPath technology eliminates bulky dc-blocking capacitors

Audio input type	Digital Input
Architecture	Class-D
Speaker channels (max)	Stereo
Rating	Catalog
Power stage supply (max) (V)	26.4
Power stage supply (min) (V)	4.5
Load (min) (Ω)	4
Output power (W)	23
SNR (dB)	107
THD + N at 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