TAS5176

6通道， 100 -W ，数字放大器功率级 6-Channel, 100-W, Digital-Amplifier Power Stage

The is a high-performance, six-channel, digital-amplifier power stage with an improved protection system. The TAS5176 is capable of driving a 8-, single-ended subwoofer greater than 25 W at 10% THD+N performance.

Furthermore, the TAS5176 can drive three-channels in BTL mode, with the same high-performance but with a higher power level. In BTL mode, the TAS5176 is capable of driving 8- loads to greater than 30 Watts at 10% THD+N performance.

A low-cost, high-fidelity audio system can be built using a chipset comprising a modulator e.g., TAS5086 and the TAS5176. This device does not require power-up sequencing because of the internal power-on reset.

The TAS5176 requires only simple passive demodulation filters on its outputs to deliver high-quality, high-efficiency audio amplification. The efficiency of the TAS5176 is greater than 90% when driving 8- subwoofer speaker.

The TAS5176 has an innovative protection system integrated on-chip, safeguarding the device against a wide range of fault conditions that could damage the system. These safeguards are short-circuit protection, overload protection, undervoltage protection, and overtemperature protection. The TAS5176 has a new proprietary current-limiting circuit that reduces the possibility of device shutdown during high-level music transients. A new programmable overcurrent detector allows the use of lower-cost inductors in the demodulation output filter.

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Total Output Power at 10% THD+N

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5 × 15 W at 8 BTL

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105-dB SNR A-Weighted, with TAS5086 Modulator

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< 0.05% THD+N at 1 W

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Power Stage Efficiency > 90% Into Recommended Loads SE

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Integrated Self-Protection Circuits

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Undervoltage

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Overtemperature

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Overload

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Short Circuit

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Integrated Active-Bias Control to Avoid DC Pop

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Footprint Compatible with the TAS5186A for Scaleable Designs

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Thermally Enhanced 44-pin HTSSOP Package with PowerPad located on the bottom of the device

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EMI-Compliant When Used With Recommended System Design

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APPLICATIONS

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DVD Receiver

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Home Theater in a Box

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Televisions

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