LY8663

® Rev. 1.7 LY8663 Dual 2.0W/CH Stereo Audio Amplifier include Headphone Function with Active-high shutdown mode FEATURES „ 2.5V~5.5V Power supply. „ Thermal shutdown Protection. „ Low current shutdown mode „ Low noise during turn-on and turn-off transitions. „ Support “Click and pop” suppression circuitry „ Stereo headphone amplifier mode. „ Shutdown pin high active. „ Lead free and green package available. (RoHS Compliant) „ Space Saving Package -- TSSOP 14 pin Packaging . APPLICATION „ Portable and desktop computers „ Multimedia Monitors „ Portable Audio System GENERAL DESCRIPTION The LY8663 is a dual stereo audio power amplifier. It is capable of driving 4 Ω speaker load at a continuous average output of 2.0W / 10% distortion (THD+N) from at 5.5V power supply. The LY8663 primarily designed for high quality output power from application in other portable communication device and portable and desktop computers device. The LY8663 audio amplifier features low power consumption in shutdown mode. It is achieved by driving the shutdown pin with logic high. And the LY8663 has an internal thermal shutdown protection feature. To simplify audio system design and the LY8663 audio amplifier supports dual Bridge-Tied Load (BTL) speaker amplifier and stereo Single-End (SE) headphone. It is ideally suited for other low voltage applications or portable electronic devices where minimal power consumption is a primary requirement. PIN CONFIGURATION LY8663 TSSOP14 Pin Configuration (Top V...