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HM2012 Datasheet(PDF) 1 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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HM2012 Datasheet(HTML) 1 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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1 / 7 page  1 2012 2.1W/ch Stereo Filter-free Class-D Audio Power Amplifier General Description The 2012 is a 2.1W/ch stereo high efficiency filter-free class-D audio power amplifier. The 2012 can operate from 2.7 to 5.5V supply. When powered with 5V voltage, the 2012 can deliver 2.1W per channel to dual 4Ω load at 10% THD+N, and also capable of driving 1.5W/ch to dual 8Ω load. The HM2012 is thermally limited in WCSP and may not achieve 2.1W/ch for 4Ω. As a Class D audio power amplifier, the HM2012 supports 90% high efficiency and -75dB PSRR at 217Hz which make the device ideal for battery-supplied, high quality audio applications. The HM2012 features independent shutdown controls for each channel. The gain can be selected to 6, 12, 18, or 24 dB utilizing the G0 and G1 gain select pins. The HM2012 also features the minimized click-and-pop noise during the turn-on and shutdown. The HM2012 is manufactured in space-saving QFN-20 (4mm x 4mm) and WCSP-16 (2mm x 2mm) package Applications Applications Mobile phone Personal Digital Assistant(PDA) Portable gaming device Powered speakers Notebook computer Features Output power – 2.1W/ch into 4Ω at 5V – 1.5W/ch into 8Ω at 5V – 750mW/ch into 8Ω at 3.6V PSRR: -75dB (typical) CMRR: -70dB (typical) Efficiency up to 90% Only two external components required Independent shutdown control for each channel Short-circuit and thermal protection Shutdown current: 1.0μA (typical) Power supply range: 2.7V to 5.5V) Packaging - QFN-20 (4mm x 4mm) - WCSP-16 (2mm x 2mm) Pin Out Diagram Figure1. QFN 20 Top View Figure2. WCSP 16 Top View |
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