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LM4911 OCL output earphone amplifier circuit diagram

2014-11-21 12:38  
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LM4911 OCL output earphone amplifier circuit diagram
LM4911 is a stereo headphone amplifier with 3.3V power supply. Every channel outputs 40mW that continuous average power drives 16Ω load, or every channel outputs 25mWand continuous average power drives 32Ω load. LM4911 can use single-ended capacitive coupling output or OCL output structure. It has a low-power shutdown mode and power squelch mode. When the release changes in the output voltage is less than 1mV, the breakover turns fast. LM4911 also contains an internal thermal shutdown protection agency, the pin arrangement is shown as the chart.