Texas Instruments TAS5805M Manual

TAS5805M 23-W, Inductor-Less, Digital Input, Stereo, Closed-Loop Class-D Audio
Amplifier with Enhanced Processing and Low Idle Power Dissipation
1 Features
• Supports Multiple Output Configurations
1
– 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
2
– I S, 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/Over-Voltage Lock-out (UVLO/OVLO)
• Easy System Integration
2
– I C Software Control
– Reduced Solution Size
– Fewer Passives Required Compared to
Open-Loop Devices
– Inductor-less Operation (Ferrite Bead) for
most cases where PVDD ≤ 14V
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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SLASEH5A – MAY 2018 – REVISED JULY 2018
2 Applications
• LCD TV, OLED TV
• Wireless Speaker, Smart Speaker with Voice
Assistant
• Soundbar, Wired Speaker , Bookshelf Stereo
System
• Desktop PC, Notebook PC
• AV Receiver, Smart Home and IoT Appliance
3 Description
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 supports advanced audio
process flow, including SRC, 15 BQs per channel,
volume control, audio mixing, 3-band 4th order DRC,
full-band AGL, THD managing and level meter.
Featuring TI's proprietary Hybrid Modulation scheme,
the TAS5805M consumes very-low quiescent current
(<16.5 mA at 13.5V PVDD), extending battery life in
portable audio applications. With advanced EMI
suppression technology, designers can leverage
inexpensive ferrite bead filters to reduced board
space and system cost.
Device Information
PART NUMBER PACKAGE
TAS5805M TSSOP (28) PWP
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Block Diagram
Speaker
L Channel
DVDD
System
Processor
TAS5805M
(1)
BODY SIZE (NOM)
9.7 mm × 4.4 mm
Speaker
R Channel
Digital
Audio
Source
Copyright © 2018, Texas Instruments Incorporated