Class G Amplifiers - STMicroelectronics

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

A22H165
High-performance class-G stereo headphone amplifier
TS4621E
High-performance class G stereo headphone amplifier with I2C volume control
A22H165M
High-performance class-G stereo headphone amplifier with I2C volume control
TS4621ML
High-performance class-G stereo headphone amplifier

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