TAS5132DDVR ,20-W Stereo Digital Amplifier Power Stage 44-HTSSOP 0 to 70SLES190–DECEMBER 2006GENERAL INFORMATION (continued)MODE Selection PinsMODE PINSPWM INPUT OUTPUT CO ..
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TAS5132DDV-TAS5132DDVR
20-W Stereo Digital Amplifier Power Stage
www.ti.com
FEATURES
APPLICATIONS
DESCRIPTION 15 20
− Output Power − W
TC = 75°C
THD+N @ 10%
6 WG002
TAS5132
SLES190–DECEMBER 2006
STEREO DIGITAL AMPLIFIER POWER STAGE low-cost, high-fidelity audio system can be built
usinga TI chipset, comprisinga modulator (e.g.,•
2×20Wat 10% THD+N Into 8-Ω BTL TAS5086) and the TAS5132. This system only•
2×25Wat 10% THD+N Into 6-Ω BTL requiresa simple passive LC demodulation filterto
deliver high-quality, high-efficiency audio•
>100-dB SNR (A-Weighted)amplification with proven EMI compliance. This•
<0.1% THD+Nat1W device requires two power supplies, at 12V for•
Thermally Enhanced Package: GVDD and VDD, and at 18V for PVDD. The
DDV (44-pin HTSSOP) TAS5132 does not require power-up sequencing due internal power-on reset. The efficiency of this•
High-Efficiency Power Stage (>90%) With digital amplifieris greater than
140-mΩ Output MOSFETs enables the use of smaller•
Power-On Reset for Protection on Power Up heatsinks.
Without Any Power-Supply Sequencing The TAS5132 has an innovative•
Integrated Self-Protection Circuits Including integratedon chip, safeguarding
Undervoltage, Overtemperature, Overload, wide rangeof fault conditions
Short Circuit system. These safeguards
PWM Activity Detectorto detect stopped PWM protection, overcurrent protection,
protection, and overtemperature protection.
inputs and protect the systemTAS5132 hasa new proprietary current-limiting•
Error Reporting circuit that reduces the possibilityof device shutdown•
EMI Compliant When Used With during high-level music transients.
Recommended System Design
BTL OUTPUT POWERvs SUPPLY VOLTAGE•
Intelligent Gate Drive Pin Compatible With the TAS5142DDV Televisions Mini/Micro Audio Systems DVD Receivers Home TheatersThe TAS5132is an integrated stereo digital amplifier
power stage with an advanced protection system.
The TAS5132is capableof drivinga 6-Ω bridge-tied
load (BTL) at up to 25 W per channel with low
integrated noise at the output, low THD+N
performance, and low idle power dissipation.
