TAS5176
- Total Output Power at 10% THD+N
- 5 × 15 W at 8 (BTL)
- 105-dB SNR (A-Weighted), with TAS5086 Modulator
- < 0.05% THD+N at 1 W
- Power Stage Efficiency > 90% Into Recommended Loads (SE)
- Integrated Self-Protection Circuits
- Undervoltage
- Overtemperature
- Overload
- Short Circuit
- Integrated Active-Bias Control to Avoid DC Pop
- Footprint Compatible with the TAS5186A for Scaleable Designs
- Thermally Enhanced 44-pin HTSSOP Package with PowerPad located on the bottom of the device
- EMI-Compliant When Used With Recommended System Design
- APPLICATIONS
- DVD Receiver
- Home Theater in a Box
- Televisions
PowerPAD, PurePath Digital are trademarks of Texas Instruments.
All other trademarks are the property of their respective owners.
The TAS5176 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 TI 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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技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | 6-Channel, 100-W, Digital-Amplifier Power Stage datasheet | 2007年 6月 27日 | |
Application note | Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) | 2019年 8月 26日 | ||
Application note | AN-1849 An Audio Amplifier Power Supply Design (Rev. C) | 2019年 6月 27日 | ||
Application note | AN-1737 Managing EMI in Class D Audio Applications (Rev. A) | 2013年 5月 1日 |
設計與開發
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---|---|---|
HTSSOP (DDW) | 44 | 檢視選項 |
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