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Class G Amplifiers

ST’s low-power class G amplifiers combine the advantages of class AB biasing and an adaptive power supply. Class G architecture allows the device to adjust the internal supply voltage in real-time and achieve the best efficiency, while class AB biasing maximizes the sound quality.  Overall, our amplifiers offer:

  • High audio quality and high-efficiency operation
  • I²C volume control and embedded DC-DC step-down converter capabilities
  • Flip-chip packages suitable for flat portable applications
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