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TPA2015D1 数据表(PDF) 1 Page - Texas Instruments |
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TPA2015D1 数据表(HTML) 1 Page - Texas Instruments |
1 / 28 page IN- IN+ GAIN ENB END GND VBAT SW PVOUT PVDD OUT+ OUT- AGC 2.2 H m 6.8 F - 22 F m m TPA2015D1 Differential Audio Inputs Gain Control AGC Control Boost Enable Class-D Enable 2.2 F - 10 F m m Connected to Supply TPA2015D1 www.ti.com SLOS638A – NOVEMBER 2011 – REVISED NOVEMBER 2011 2 W Constant Output Power Class-D Audio Amplifier With Adaptive Boost Converter and Battery Tracking SpeakerGuard ™ AGC Check for Samples: TPA2015D1 1 FEATURES DESCRIPTION 2 • Built-In SpeakerGuardTM Automatic Gain The TPA2015D1 is a high efficiency Class-D audio Control (AGC) with Enhanced Battery Tracking power amplifier with battery-tracking SpeakerGuard ™ – Limits Battery Current Consumption AGC technology and an integrated adaptive boost – Prevents Audio Clipping converter that enhances efficiency at low output power. It drives up to 2 W into an 8 Ω speaker (6% • 2 W into 8 Ω Load From 3.6 V Supply (6% THD) THD). With 85% typical efficiency, the TPA2015D1 • Integrated Adaptive Boost Converter helps extend battery life when playing audio. – Increases Efficiency at Low Output Power The built-in boost converter generates a 5.5 V supply • Low Quiescent Current of 1.7 mA from 3.6 V voltage for the Class-D amplifier. This provides a • Operates From 2.5 V to 5.2 V louder audio output than a stand-alone amplifier directly connected to the battery. The • Thermal and Short-Circuit Protection with SpeakerGuardTM AGC adjusts the Class-D gain to Auto Recovery limit battery current and prevent heavy clipping. • Three Gain Settings: 6 dB, 15.5 dB, and 20 dB The TPA2015D1 has an integrated low-pass filter to • Independent Control for Boost and Class-D improve the RF rejection and reduce DAC • Pin-to-Pin Compatible with TPA2013D1 out-of-band noise, increasing the signal to noise ratio • Available in 1.954 mm × 1.954 mm 16-ball (SNR). WCSP Package The TPA2015D1 is available in a space saving 1.954 mm × 1.954 mm, 0.5 mm pitch WCSP package APPLICATIONS (YZH). • Cell Phones, PDA, GPS • Portable Electronics and Speakers SIMPLIFIED APPLICATION DIAGRAM 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 SpeakerGuard is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2011, 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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类似说明 - TPA2015D1 |
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