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DIO2140 Scheda tecnica(PDF) 1 Page - DIOO MICROCIRCUITS CO., LTD |
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DIO2140 Scheda tecnica(HTML) 1 Page - DIOO MICROCIRCUITS CO., LTD |
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1 / 12 page  Rev 1.5 www.dioo.com © 2022 DIOO MICROCIRCUITS CO., LTD DIO2140• Rev. 1.5 DIO2140 2.8 W, Monaural Filter-Free, Class-D Audio Amplifier Features Maximum output: > 2.5 W, output under 4 Ω load Distortion rate (THD): 0.05% (VDD = 5.0 V, PO = 1 W) High efficiency up to 83% at 400 mW Filter-free Class-D architecture Needs only three external components Short circuit protection function Thermal shutdown function Under voltage lockout function Green package: DFN-8 and MSOP-8 Applications Wireless or cellular handsets and PDAs Personal navigation devices General portable audio devices Descriptions The DIO2140 is a 2.8 W high-efficiency filter-free Class-D audio amplifier, which needs only three external components. Its optimized PWM output stage eliminates the LC output filter. The DIO2140 features its filter-free Class-D architecture, which leads to a reduction of peripheral components amount, PCB board area, and system cost. And high efficiency of up to 90% makes it suitable for cell phones and other mobile device applications. Moreover, the DIO2140 is also equipped with protection functions, such as a short circuit protection function for the speaker output terminal, thermal shutdown function for inside of the device, and under voltage lockout. Block Diagram Ordering Information Part Number Top Marking RoHS MSL TA Package DIO2140CD8 D2140 Green Level-3 -40 to +85°C DFN-8 Tape & Reel, 3000 DIO2140CM8 DIO2140 Green Level-3 -40 to +85°C MSOP-8 Tape & Reel, 3000 |
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