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TAS5342LA Datasheet(PDF) 1 Page - Texas Instruments

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Part No. TAS5342LA
Description  100 W STEREO DIGITAL AMPLIFIER POWER STAGE
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TAS5342LA Datasheet(HTML) 1 Page - Texas Instruments

 
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TM
1
FEATURES
DESCRIPTION
0
120
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110
0
32
2
4 6 8 10 12 14 16 18 20 22 24 26 28 30
T =75 C,
THD+N@10%
C
°
8 W
6 W
4 W
PVDD-SupplyVoltage-Vrms
APPLICATIONS
TAS5342LA
www.ti.com ........................................................................................................................................................................................... SLAS624 – NOVEMBER 2008
100 W STEREO DIGITAL AMPLIFIER POWER STAGE
23
• Total Power Output (Bridge Tied Load)
2 × 100 W at 10% THD+N Into 4
The TAS5342LA is a high-performance, integrated
stereo digital amplifier power stage designed to drive
2 × 80 W at 10% THD+N Into 6
a 4-
Ω bridge-tied load (BTL) at up to 100 W per
2 × 65 W at 10% THD+N Into 8
channel with low harmonic distortion, low integrated
• Total Power Output (Single Ended)
noise, and low idle current.
4 × 40 W at 10% THD+N Into 3
The TAS5342LA has a complete protection system
4 × 30 W at 10% THD+N Into 4
integrated on-chip, safeguarding the device against a
wide range of fault conditions that could damage the
• Total Power Output (Parallel Mode)
system. These protection features are short-circuit
1 × 200 W at 10% THD+N Into 2
protection, over-current protection, under voltage
1 × 160 W at 10% THD+N Into 3
protection, over temperature protection, and a loss of
PWM signal (PWM activity detector).
• >110 dB SNR (A-Weighted With TAS5518
Modulator)
A power-on-reset (POR) circuit is used to eliminate
power-supply sequencing that is required for most
• <0.1% THD+N (1 W, 1 kHz)
power-stage designs.
• Supports PWM Frame Rates of 192 kHz to
BTL OUTPUT POWER
432 kHz
vs
• Resistor-Programmable Current Limit
SUPPLY VOLTAGE
• Integrated Self-Protection Circuitry, Including:
Under Voltage Protection
Overtemperature Warning and Error
Overload Protection
Short-Circuit Protection
PWM Activity Detector
• Standalone Protection Recovery
• Power-On Reset (POR) to Eliminate System
Power-Supply Sequencing
• High-Efficiency Power Stage (>90%) With
110-m
Ω Output MOSFETs
• Thermally Enhanced Package 44-Pin HTSSOP
(DDV)
• Error Reporting, 3.3-V and 5.0-V Compliant
• EMI Compliant When Used With
Recommended System Design
PurePath Digital™
• Mini/Micro Audio System
• DVD Receiver
• Home Theater
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
PurePath Digital, PowerPAD are trademarks of Texas Instruments.
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2008, 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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