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Help CenterEUA2068-3.3W Mono Class-D Audio Power Amplifier
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EUA2068-3.3W Mono Class-D Audio Power Amplifier with Non-Clip, Power Limit and Noise Gate
Description
The EUA2068 is a high efficiency, 3.3W mono class-D audio power amplifier with Non-Clip, Power Limit and Noise Gate. A low noise, filterless PWM architecture eliminates the output filter, reducing external component count, system cost, and simplifying design.
EUA2068 having power limit interlock non-clip function, controls gain automatically and prevents output signals from being clipped at the supply voltage. In addition, this power limit function permits the maximum output to be arbitrarily specified to 100mW to 1000mW according to a speaker to use. The “Noise Gate” function removes the TDMA, DAC or white noise which comes in at no-signal state, by muting an output signal automatically when output level is low. With this function, the very low noise characteristics can be realized.
Furthermore, EUA2068 also integrate overcurrent and overtemperature protection functions, DC output protection function, under-voltage malfunction prevention function, as well as EMI noise and the pop noise reduction functions.
The EUA2068 is available in space-saving WCSP package.
Feature
•Unique Modulation Scheme Reduces EMI Emissions
•Unique Non-Clip function , Variable NCNA, NCNB,NCNOFF mode
•3.3W 4-Ω Load at VDD=5V, THD+N •Low Quiescent Current, IDD=4mA @5V
•2.5V to 5.5V Wide Supply Voltage
•Overcurrent Protection Function (OCP)
•Overtemperature Protection Function (OTP)
•DC Output Protection Function (DCOP)
•Under-voltage Malfunction Prevention Function (UVL)
•Short Circuit Auto-Recovery
•Power Limit Function
•Noise Gate Function
•1.5mm 1.5mm Wafer Chip Scale Package (WCSP)
•RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
Application
•Smart Phones/Cellular Phones
•Portable Multimedia Players
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