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2011A Datasheet(PDF) 1 Page - Anpec Electronics Coropration |
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2011A Datasheet(HTML) 1 Page - Anpec Electronics Coropration |
1 / 27 page Copyright © ANPEC Electronics Corp. Rev. A.4 - Aug., 2013 www.anpec.com.tw 1 ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders. 2.8W Mono Class D Audio Power Amplifier with AGC APA2011/2011A Features General Description Applications • MobilPhones • Handset • PDAs • Portable Multimedia Device • Operating Voltage: 2.4V-5.5V • High Efficiencyup to 90% • SupplyCurrent –I DD=3mA at VDD=5V –I DD=2.5mA at VDD=3.6V • Low Shutdown Current – I DD=1µA at VDD=5V • Output Power at 1% THD+N – 1.3W, at V DD=5V, RL=8Ω – 0.6W, at V DD=3.6V, RL=8Ω – 2.0W, at V DD=5V, RL=4Ω – 1.0W, at V DD=3.6V, RL=4Ω at 10% THD+N – 1.6W, at V DD=5V, RL=8Ω – 0.8W, at V DD=3.6V, RL=8Ω – 2.8W, at V DD=5V, RL=4Ω (WLCSP-9) – 2.4W, at V DD=5V, RL=4Ω – 1.2W, at V DD=3.6V, RL=4Ω • APA2011 Dynamic Range Control (DRC) Provide Maximum 15dB Control (2:1 Compression Ratio) • APA2011A Non-Clip Function can Provide Maxi- mum 15dB Control (Gain Decreasing) • Less External Components Required • Fast Start-up Time (4ms) • High PSRR: 70dB at 217Hz • Thermal and Over-Current Protections • Space Saving Packages WLCSP1.5x1.5-9 Bump, TDFN3x3-8 • Lead Free and Green Devices Available (RoHS Compliant) Simplified Application Circuit The APA2011/2011A is a mono, filter-free Class-D audio amplifier available in WLCSP1.5x1.5-9 or TDFN3x3-8 package. The default gains without the external input resistor is 27dB. Besides, the gain can be low down by external input resistance. APA2011 provides an Dynamic-Range- Control (DRC) function, and this function can low down the dynamic range for large input signal. APA2011 can provide maximun 15dB gain control. APA2011A can pro- vide maximum 15dB gain decrease for non-clipping function, and this function can avoid output signal clipping. High PSRR and differential architecture provide increased immunity to noise and RF rectification. In addition to these features, a fast start-up time and small package size make the APA2011/2011A an ideal choice for portable devices. The APA2011/2011A is capable of driving 1.6W at 5V or 0.8W at 3.6V into 8 Ω. It is also capable of driving 4Ω. The APA2011/2011A is designed with a Class-D architecture and operating with highly efficiency compared with Class- AB amplifier. It’s suitable for power sensitive application, such as battery-powered devices. The filter-free architec- ture eliminates the output filter, reduces the external com- ponent count, board area, and system costs, and simpli- fies the design. Moreover, the APA2011/2011A provides thermal and short circuit protection. APA2011/2011A Audio Input Signals Audio Speaker INP OUTP INN OUTN |
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