The EL7457CSZ is an integrated circuit manufactured by Renesas. It is part of their EL7xxxx family of low current consumption amplifiers. The EL7457CSZ is a dual differential 4kHz low distortion amplifier that is suitable for audio applications. It has an excellent signal-to-noise ratio, low distortion, high power efficiency, and fast slew rate, making it an ideal choice for modern audio systems. The EL7457CSZ has a wide operating voltage range of 4.5V to 12.6V, an output current of up to 1.5A, and a maximum output power of 11W. This device is available in an 8-pin USON package.