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TAS5822M

更新时间: 2024-11-10 02:51:55
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
90页 3944K
描述
TAS5822M 35-W, Digital Input, Stereo, Closed-Loop Class-D Audio Amplifier with 96kHz Enhanced Processing

TAS5822M 数据手册

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TAS5822M  
SLASEV8 – DECEMBER 2020  
TAS5822M 35-W, Digital Input, Stereo, Closed-Loop Class-D Audio Amplifier with  
96kHz Enhanced Processing  
1 Features  
2 Applications  
Flexible audio I/O:  
Sounds bars, PC audio  
Wireless, Bluetooth speakers  
DTV, HDTV, UHD and multi-purpose monitors  
– Supports 32, 44.1, 48, 88.2, 96 kHz sample  
rates  
– I2S, LJ, RJ, TDM  
– SDOUT for audio monitoring, sub-channel or  
echo cancellation  
– PLL integrated, supports 3-Wire digital audio  
interface (no MCLK required)  
3 Description  
The TAS5822M is a High Efficiency digital input  
Class-D audio amplifier for driving loudspeakers used  
in consumer, commercial, and industrial electronics. .  
– Supports stereo bridge-tied or mono parallel  
bridge-tied loads (BTL and PBTL)  
Efficient class-D operation:  
– > 90% power efficiency, 90 mΩ RDSon  
Supports multiple output configurations  
– 2 × 35 W in 2.0 Mode (8-Ω, 24 V, THD+N=1%)  
– 2 × 22 W in 2.0 Mode (6-Ω, 18 V, THD+N=1%)  
Excellent audio performance:  
The high-performance closed loop architecture and  
wide-switching frequency range reduces the solution  
size by reducing passive components and minimize  
the inductor size in most applications. TAS5822M has  
an integrated audio processor with up to 96-kHz  
architecture support advanced process flow.  
This device supports high efficiency 1SPW  
modulation with adjustable Class D loop bandwidth to  
achieve good audio performance.  
– THD+N ≤ 0.06% at 1 W, 1 kHz, PVDD = 24 V  
– SNR ≥ 110 dB (A-weighted), ICN ≤ 40 μVRMS  
Enhanced audio processing:  
Device Information  
PART NUMBER  
PACKAGE(1)  
BODY SIZE (NOM)  
– Sample rate convertor  
TAS5822M  
HTSSOP (38) DCP 9.7 mm × 4.4 mm  
– 96-kHz processor sampling  
– DC blocking, 2 ×14 BQs, THD manager  
– DPEQ, Volume Control  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Speaker  
Speaker  
– Input Mixer, Output Crossbar  
– 4th order 2-Band DRC + AGL  
– Over temperature fold back  
Flexible power supply configurations  
– PVDD: 4.5 V to 26.4 V  
– DVDD and I/O: 1.8 V or 3.3 V  
Excellent Integrated self-protection:  
– Over-current error (OCE)  
L Channel  
R Channel  
– Over-temperature warning (OTW)  
– Over-temperature error (OTE)  
– Under/over-voltage lock-out (UVLO/OVLO)  
Easy system integration  
– I2C Software Control  
1.8V or 3.3V  
4.5V-26.5V  
– Reduced solution size  
Less passives required compared with open  
loop devices  
System  
Processor  
Digital Audio Source  
Copyright © 2019, Texas Instruments Incorporated  
Ultra Low EMI with latest EMI technology  
No large inductors required for most  
applications  
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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