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TPA2013D1YZH 数据表(PDF) 1 Page - Texas Instruments |
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TPA2013D1YZH 数据表(HTML) 1 Page - Texas Instruments |
1 / 28 page 1 FEATURES APPLICATIONS DESCRIPTION V DD SW IN– IN+ AGND PGND VOUT+ VOUT– V OUT CC V IN CC 10 F m 22 F m 1 F m ToBattery Differential Input C IN C IN V FB CC SDb SDd ShutDownBoost ShutDownClassD GAIN Gain(V /Float/GND) CC 2.2to6.2 H m GPIO 1 F m R1 50k R2 500k TPA2013D1 TPA2013D1 SLOS520 – AUGUST 2007 www.ti.com 2.7-W CONSTANT OUTPUT POWER CLASS-D AUDIO AMPLIFIER WITH INTEGRATED BOOST CONVERTER • Cell Phones • High Efficiency Integrated Boost Converter (Over 90% Efficiency) • PDA • GPS • 2.2-W into an 8-Ω Load from a 3.6-V Supply • Portable Electronics • 2.7-W into an 4-Ω Load from a 3.6-V Supply • Operates from 1.8 V to 5.5 V • Efficient Class-D Prolongs Battery Life The TPA2013D1 is a high efficiency Class-D audio • Independent Shutdown for Boost Converter power amplifier with an integrated boost converter. It and Class-D Amplifier drives up to 2.7 W (10% THD+N) into a 4 Ω speaker. • Differential Inputs Reduce RF Common Noise With 85% typical efficiency, the TPA2013D1 helps extend battery life when playing audio. • Built-in INPUT Low Pass Filter Decreases RF and Out of Band Noise Sensitivity The built-in boost converter generates the voltage rail • Synchronized Boost and Class-D Eliminates for the Class-D amplifier. This provides a louder Beat Frequencies audio output than a stand-alone amplifier connected directly to the battery. It also maintains a consistent • Thermal and Short-Circuit Protection loudness, regardless of battery voltage. Additionally, • Available in 2.275 mm x 2.275 mm 16-ball the boost converter can be used to supply external WCSP and 4 mm x 4 mm 20-Lead QFN devices. Packages The TPA2013D1 has an integrated low pass filter to • 3 Selectable Gain Settings of 2 V/V, 6 V/V, and improve RF rejection and reduce out-of-band noise, 10 V/V increasing the signal to noise ratio (SNR). A built-in PLL synchronizes the boost converter and Class-D switching frequencies, thus eliminating beat frequencies and improving audio quality. All outputs are fully protected against shorts to ground, power supply, and output-to-output shorts. 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 © 2007, 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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