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MBRM10 датащи(PDF) 13 Page - ON Semiconductor |
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MBRM10 датащи(HTML) 13 Page - ON Semiconductor |
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13 / 20 page ![]() Page 1 ON Semiconductor NCP2820 Filter-Free Class D Audio Amp Improves System Efficiency and Eliminates PCB Hot Spots in Audio Subsystems Low Voltage Audio Amplifier Selector Guide Audio Output/ Application Class Topology/ Features Output Power PSSR @ 217 Hz Efficiency THD+N Turn-On Time (Typ) Iq (Typ) Shut-Down Current (Typ) Package(s) Device Mono Speaker — Basic Telephone Operation & Ployphonic Ringtones AB BTL 1 W+ -7 dB 6% 0.0% 85 ms 1.5 mA 10 nA Micro8™ Microbump-9 NCP2890 AB BTL 1 W+ -7 dB 6% 0.0% 100 ms 1.5 mA 10 nA Microbump-9 NCP2892A AB Differential 1 W+ -80 dB 6% 0.006% 10 ms 1.9 mA 0 nA Microbump-9 DFN-10 NCP4894 Stereo Headphones — MP Players, Bluetooth Headsets AB Virtual Ground No Output Cap 15 mW/Ch -8 dB 6% 0.00% 85 ms 1.5 mA 10 nA Micro10 NCP2809 AB Differential 150 mW/Ch -80 dB 6% 0.006% 10 ms 1.9 mA 0 nA Microbump-9 DFN-10 NCP4894 Mono Speaker/Earpiece — Low Cost Integrated Solution AB Single End/ Differential 1 W to Speaker; 50 mW to Earpiece -70 dB 6% SE 0.00%, BTL 0.01% 10 ms 1.7 mA 0 nA Microbump-9 NCP4896 Mono Speaker — Handsfree Speaker Phone D Filterless, Gain Select by Resistors .65 W -65 dB 90% 0.05% 9 ms . mA 00 nA Microbump-9 DFN-8 NCP2820 D Filterless, Integrated Ext Selectable Gain 6 or 1dB .65 W -65 dB 90% 0.05% 9 ms .5 mA 500 nA Microbump-9 NCP2821 Stereo Speakers — Offer Stereo Sound Quality to Play Video/Music-on- Demand, MP D Filterless, Gain Selection by Resistor W+ per Channel -65 dB 90% 0.05% 9 ms . mA 600 nA Microbump-9 2x NCP2820 or NCP2821 Key Performance Characteristics • Wide Supply Range of . – 5.5 V n Superior >65 dB PSRR allows direct connection to the Battery n 1 W to 8 W (BTL) Bridge Tied Load or .65 W to W BTL @ 5 V • Thermal overload protection circuitry • “Pop and click” noise protection circuit 20 30 40 50 60 70 80 90 100 0 0.2 0.4 Pout (W) Vp = 5 V RL = 8 NCP2820 Class AB 0 10 20 30 40 50 60 70 80 90 100 0 0.5 1.0 Pout (W) Vp = 5 V RL = 8 NCP2820 Class AB 0.6 0.8 1.0 1.2 1.4 Extend Battery Life over with 2X Efficiency Improvement at 0.5 W Output Power Keep Cool Across All Power Ranges |
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