High Voltage Input Amplifier Circuit for Hi-Fi Power Amplifier The AN7062N is a high voltage integrated circuit designed for pre-driver of 60W-class Hi-Fi audio amp. Stereo operation is enabled due to two amplifiers built-in. ■ Features • High voltage • Low noise : Vni = 2.5µV (typ.) • Low distortion : THD = 0.003% (typ.) • Good channel separation • Wide operating supply voltage range