LV4991TH

www.DataSheet.co.kr Ordering number : ENA0743B Bi-CMOS IC LV4991TH Overview For Portable Audio Equipment Monaural BTL Power Amplifier LV4991TH incorporates the power amplifier circuit operable at low voltage (2.7V or more) and has additionally the standby function to reduce the current drain. This is the best LSI for speaker drive for the battery-driven portable equipment, such as portable DVD player, Notebook PC, etc. The LV4991TH is a HMSOP8 (150mil) package, and The LV4991TT of MSOP8 (150mil) package is available. Function and Feature Monaural BTL power amplifier incorporated Standard output power 1 = 450mW (VCC = 3.6V, RL = 8Ω, THD = 10%) Standard output power 2 = 1000mW (VCC = 5V, RL = 8Ω, THD = 10%) Output coupling capacitor not necessary because of differential output type Operation at low voltage possible VCC = 2.7V or more Standby function incorporated Standard current drain at standby = 0.1µA (VCC = 3.6V) Second amplifier stop control function incorporated : Reducing the pop sound at startup, simple MUTE Overheat protection circuit incorporated Gain setting possible BTL voltage gain = 0 to 26dB Output phase compensation capacitor not necessary Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herei...