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TAS5614LA Datasheet(PDF) 1 Page - Texas Instruments

Part No. TAS5614LA
Description  150-W Stereo / 300-W Mono PurePath™ HD Digital-Input Class-D Power Stage
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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TAS5614LA Datasheet(HTML) 1 Page - Texas Instruments

 
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PurePath HD
TM
Class G Power Supply
Ref design
TAS
5630
18V-36V
+12V
PurePath HD
TM
TAS5614LA
TASxxxx
Digital Audio
Processor
DIGITAL
AUDIO
INPUT
+3.3V
REG.
105 VAC
240VAC
TAS5614LA
www.ti.com
SLAS846 – MAY 2012
150-W Stereo / 300-W Mono PurePath™ HD Digital-Input Class-D Power Stage
Check for Samples: TAS5614LA
1
FEATURES
DESCRIPTION
The TAS5614LA is a feature optimized class-D power
234
PurePath™ HD Integrated Feedback Provides:
amplifier based on the TAS5614LA.
0.03% THD at 1 W into 4
The TAS5614LA uses large MOSFETs for improved
>65 dB PSRR (No Input Signal)
power efficiency and a novel gate drive scheme for
>105 dB (A weighted) SNR
reduced losses in idle and at low output signals
Pre-Clipping Output for Control of a Class-G
leading to reduced heat sink size.
Power Supply
The unique pre clipping output signal can be used to
Reduced Heat Sink Size due to use of 60m
control a Class-G power supply. This combined with
Output MOSFET with >90% Efficiency at Full
the low idle loss and high power efficiency of the
Output Power
TAS5614LA leads to industry leading levels of
efficiency ensuring a super “green” system.
Output Power at 10%THD+N
The TAS5614LA uses constant voltage gain. The
150 W / 4
Ω BTL Stereo Configuration
internally matched gain resistors ensure a high Power
300 W / 2
Ω in PBTL Mono Configuration
Supply Rejection Ratio giving an output voltage only
Output Power at 1%THD+N
dependent on the audio input voltage and free from
125 W / 4
Ω BTL Stereo Configuration
any power supply artifacts.
65 W / 8
Ω BTL Stereo Configuration
The high integration of the TAS5614LA makes the
amplifier easy to use and using TI’s reference
Click and Pop Free Startup
schematics and PCB layouts leads to fast design in
Error Reporting Self-protected Design with
time. The TAS5614LA is available in the space
UVP, Over Temperature, and Short Circuit
saving surface mount 44-pin HTSSOP package.
Protection
PowerPAD™ PurePath™ HD
EMI Compliant when used with Recommended
System Design
44-Pin HTSSOP (DDV) Package for Reduced
Board Size
APPLICATIONS
Blu-ray™/DVD Receivers
High Power Sound Bars
Powered Subwoofer and Active Speakers
Mini Combo Systems
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
PowerPAD, PurePath are trademarks of Texas Instruments.
3
Blu-ray is a trademark of Blu-ray Disk Association (BDA).
4
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2012, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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