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TAS5102DADR
20-W Stereo Digital Amplifier Power Stage
1FEATURES
APPLICATIONS
DESCRIPTIONVCC − Supply Voltage − V 10 15 20 25
G009
THD+N = 1%
f = 1 kHz
RL = 8 Ω (BTL)
Gain = 3 dB
TAS5102
TAS5103
www.ti.com.............................................................................................................................................................. SLLS801A–JUNE 2008–REVISED JUNE 2008
20-W/15-W 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 BTLat18V TAS5086) and the TAS5102/TAS5103. This system
(With Heatsink for TAS5102) only requiresa simple passive LC demodulation filter•
2×15Wat 10% THD+N Into 8-Ω BTLat 15.5V to deliver high-quality, high-efficiency audio
for TAS5103 amplification with proven EMI compliance. These
devices•
2×10Wat 10% THD+N Into 8-Ω BTLat13V VREG,•
>100-dB SNR (A-Weighted) TAS5102/TAS5103•
<0.1% THD+Nat1W sequencing
efficiency•
Thermally Enhanced Package: 32-pin HTSSOPinto8 Ω, which enables the useof smaller power
– DAD (TAS5102) Pad Up supplies and heatsinks.
– DAP (TAS5103) Pad Down The TAS5102/3 has an innovative protection system•
High-Efficiency Power Stage (>90%) With integrated on chip, safeguarding the device against
180-mΩ Output MOSFETs wide rangeof fault conditions that could damage•
Wide PVDD Range from 8Vto 23V system. These safeguards are short-circuit protection,
overcurrent protection, undervoltage protection,•
Power-On Reset for Protection on Power Up overtemperature protection. The TAS5102/TAS5103
Without Any Power-Supply Sequencing hasa new proprietary current-limiting•
Integrated Self-Protection Circuits Including reduces the possibility of device
Undervoltage, Overtemperature, Overcurrent, high-level music transients.
Short Circuit
BTL OUTPUT•
Built-In Regulator for Gate Drive Supply vs
SUPPLY•
Error Reporting EMI Compliant When Used With
Recommended System Design Televisions Mini/Micro Audio Systems DVD Receivers Home TheatersThe TAS5102/TAS5103 are integrated stereo digital
amplifier power stages with an advanced protection
system. The TAS5102/TAS5103 are capable
driving an 8-Ω bridge-tied load (BTL)at upto
W/15W per channel with low integrated noiseat the
output, low THD+N performance, and low idle power
dissipation.
