The U4083B is a low-power audio amplifier IC designed for telephone applications with differential speaker outputs. This amplifier is optimized to deliver maximum output swing at low supply voltages, making it ideal for battery-operated systems. It features a wide operating voltage range of 2V to 16V and offers a low current consumption of just 2.7mA. The U4083B has an open-loop gain of 80dB and a gain bandwidth product of 1.5MHz, providing robust performance with minimal external components. It includes power-down and mute capabilities for energy-efficient operation.
Its output power can reach up to 400mW, making it suitable for driving a wide range of speaker loads. This IC is commonly used in telephone speaker systems, intercoms, and other audio applications requiring efficient amplification with low distortion.
