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TPA2080D1 数据表(PDF) 1 Page - Texas Instruments |
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TPA2080D1 数据表(HTML) 1 Page - Texas Instruments |
1 / 22 page YZG TPA2080D1 www.ti.com SLOS733A – JANUARY 2012 – REVISED OCTOBER 2012 2.2 W Constant Output Power Class-D Audio Amplifier with Class-G Boost Converter Check for Samples: TPA2080D1 1 FEATURES DESCRIPTION The TPA2080D1 is a high efficiency Class-D audio • 2.2 W into 4 Ω Load from 3.6 V Supply (1% power amplifier with an integrated Class-G boost THD+N) converter that enhances efficiency at low output • Integrated Class-G Boost Converter power. It drives up to 2.2 W into an 4 Ω speaker (1% – Increases Efficiency at Low Output Power THD+N). With 85% typical efficiency, the TPA2080D1 helps extend battery life when playing audio. • Low Quiescent Current of 3.5 mA from 3.6 V The built-in boost converter generates a 5.75 V • Thermal and Short-Circuit Protection with supply voltage for the Class-D amplifier when high Auto Recovery output power is required. This provides a louder • 20 dB Fixed Gain audio output than a stand-alone amplifier directly • Available in 1.53 mm × 1.98 mm, 0.5 mm pitch connected to the battery. During low audio output 12-ball WCSP (DSBGA) Package power periods, the boost converter deactivates and connects VBAT directly to the Class-D amplifier supply, PVDD. This improves overall efficiency. APPLICATIONS • Cell Phones The TPA2080D1 has an integrated low-pass filter to improve the RF rejection and reduce DAC out-of- • PDA, GPS band noise, increasing the signal-to-noise ratio • Portable Electronics and Speakers (SNR). The TPA2080D1 is available in a space saving 1.53 mm × 1.982 mm, 0.5 mm pitch WCSP package (YZG). 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. PRODUCTION DATA information is current as of publication date. Copyright © 2012, 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. |
类似零件编号 - TPA2080D1 |
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类似说明 - TPA2080D1 |
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