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PAM8303DASC 数据表(PDF) 1 Page - Power Analog Micoelectronics |
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PAM8303DASC 数据表(HTML) 1 Page - Power Analog Micoelectronics |
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1 / 17 page  Key Features Applications Ultra Low EMI, -20dB Better Than FCC Class-B @ 300MHz High Efficiency up to 90% @1W with an 8 Speaker Shutdown Current <1 A 3W@10% THD Output with a 4 Load at 5V Supply Demanding Few External Components Superior Low Noise without Input Supply Voltage from 2.8V to 5.5 V Short Circuit Protection Thermal Shutdown Available in Space Saving Packages: 1.45mmx1.45mm WCSP9, MSOP-8, DFN 3x3 Cellular Phones/Smart Phones MP4/MP3 GPS Digital Photo Frame Electronic Dictionary Portable Game Machines μ Ω n n n n n n General Description The PAM8303D is a 3W mono filterless class-D amplifier with high PSRR and differential input that eliminate noise and RF rectification. Features like 90% efficiency and small PCB area make the PAM8303D class-D amplifier ideal for cellular handsets. The filterless architecture requires no external output filter, fewer external components, less PCB area and lower system costs, and simplifies application design. The PAM8303D features short circuit protection and thermal shutdown. The PAM8303D is available in 9-ball WCSP, MSOP-8 and DFN 3x3 8-pin packages. n n n n n n n n n n n Pb-Free Package Ω Typical Application Circuit PAM8303D Ultra Low EMI, 3W Filterless Mono Class-D Audio Power Amplifier 1 , Power Analog Microelectronics Inc www.poweranalog.com 09/2008 Rev 1.4 EMI vs Frequency 80 0 10 20 30 40 50 60 70 1000.00 30.00 100.00 200.00 300.00 400.00 500.00 600.00 700.00 800.00 900.00 Level dBuV m (/ ) FCC Class B () MHz IN OFF ON IN+ IN- SD VDD PVDD GND OUT+ OUT- Ci Ri Ci Single-ended Input Ri PAM8303D OFF ON IN+ IN- OUT- OUT+ GND PVDD VDD SD IN- IN+ Ci Ri Ci Ri Differential Input PAM8303D 1μF 1μF to PVDD pin 10μF Power in to VDD pin 1μF 1μF |
类似零件编号 - PAM8303DASC |
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类似说明 - PAM8303DASC |
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