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TPA2025D1YZGR Fiches technique(PDF) 1 Page - Texas Instruments |
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TPA2025D1YZGR Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 29 page IN+ IN- EN AGND PGND VBAT SW PVDD OUT+ OUT- TPA 2025D1 Audio Input Connected to Supply Enable + - AGC AGC BGND 2.2 F m 2.2 H m 6.8 F - 22 F m m Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPA2025D1 SLOS717B – AUGUST 2011 – REVISED DECEMBER 2014 TPA2025D1 2-W Constant Output Power Class-D Audio Amplifier With Class-G Boost Converter and Battery Tracking AGC 1 Features 3 Description The TPA2025D1 is a high efficiency Class-D audio 1 • Built-In Enhanced Battery Tracking Automatic power amplifier with battery tracking AGC technology Gain Control (AGC) and an integrated Class-G boost converter that – Limits Battery Current Consumption enhances efficiency at low output power. It drives up • 1.9 W into 8- Ω Load from 3.6-V Supply (1% to 1.9 W into an 8- Ω speaker (1% THD+N). With 85% typical efficiency, the TPA2025D1 helps extend THD+N) battery life when playing audio. • Integrated Adaptive Boost Converter The built-in boost converter generates a 5.75-V – Increases Efficiency at Low Output Power supply voltage for the Class-D amplifier. This • Low Quiescent Current of 2 mA From 3.6 V provides a louder audio output than a stand-alone • Thermal and Short-Circuit Protection With Auto amplifier directly connected to the battery. The battery Recovery tracking AGC adjusts the Class-D gain to limit battery current at lower battery voltage. • 20-dB Fixed Gain • Similar Performance to TPA2015D1 The TPA2025D1 has an integrated low-pass filter to improve the RF rejection and reduce DAC out-of- • Available in 1.53-mm × 1.982-mm, band noise, increasing the signal-to-noise ratio 0.5-mm Pitch 12-Ball WCSP Package (SNR). 2 Applications The TPA2025D1 is available in a space saving 1.53 mm × 1.982 mm, 0.5 mm pitch DSBGA package • Cell Phones (YZG). • PDA, GPS • Portable Electronics and Speakers Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPA2025D1 DSBGA (12) 1.53 mm x 1.982 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Battery Tracking Auto Gain Control 4 Simplified Application Diagram 1 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. |
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