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TPA2080D1YZGR 데이터시트(PDF) 1 Page - Texas Instruments |
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TPA2080D1YZGR 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 29 page Product Folder Sample & Buy Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. TPA2080D1 SLOS733B – JANUARY 2012 – REVISED APRIL 2016 TPA2080D1 2.2-W Constant Output Power Class-D Audio Amplifier With Class-G Boost Converter 1 1 Features 1 • 2.2 W into 4- Ω Load from 3.6-V Supply (1% THD+N) • Integrated Class-G Boost Converter – Increases Efficiency at Low Output Power • Low Quiescent Current of 3.5 mA from 3.6 V • Thermal and Short-Circuit Protection With Auto Recovery • 20-dB Fixed Gain • Available in 1.53-mm × 1.98-mm, 0.5-mm pitch 12-ball WCSP (DSBGA) Package 2 Applications • Cell Phones • PDA, GPS • Portable Electronics and Speakers 3 Description The TPA2080D1 device is a high-efficiency Class-D audio power amplifier with an integrated Class-G boost converter that enhances efficiency at low output power. It drives up to 2.2 W into an 4- Ω speaker (1% THD+N). With 85% typical efficiency, the TPA2080D1 helps extend battery life when playing audio. The built-in boost converter generates a 5.75-V supply voltage for the Class-D amplifier when high output power is required. This provides a louder audio output than a stand-alone amplifier directly connected to the battery. During low audio output power periods, the boost converter deactivates and connects VBAT directly to the Class-D amplifier supply, PVDD. This improves overall efficiency. The TPA2080D1 has an integrated low-pass filter to improve the RF rejection and reduce DAC out-of- band noise, increasing the signal-to-noise ratio (SNR). The TPA2080D1 is available in a space-saving 1.53-mm × 1.982-mm, 0.5-mm pitch WCSP package (YZG). Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPA2080D1 DSBGA (12) 1.53 mm × 1.98 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Application Diagram |
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