HT82V739

www.DataSheet4U.com HT82V739 1200mW Audio Power Amp with Shutdown Features · Operating voltage: 2.2V to 5.5V · High signal-to-noise ratio · Low distortion · Large output voltage swing · Low power consumption · Output power 1200mW at 10% THD+N into 8W · Wide temperature operating range · Low power-on and chip enable or disable POP noise. · Low standby current · Power off control · Direct drive speaker · 8-pin DIP/SOP package (VDD=5V) Applications · Applied for HT36 series, HT86 series and other Holtek products General Description HT82V739 is an integrated class AB mono speaker driver contained in a 8-pin DIP/SOP package. The HT82V739 is capable of delivering 1200mW output power to an 8W load with less than 10% (THD+N) from a 5V power supply. The very low standby current in shutdown mode contributes to the reduction of power consumption of battery-powered equipments. Block Diagram O U T N A u d In V R E F V S S V D D R B IA S C E R 1 0 R R A M P 2 A M P 1 O U T P Pin Assignment O U T N 1 2 3 4 5 6 7 A u d In V R E F V S S 8 V D D O U T P N C C E H T 8 2 V 7 3 9 8 D IP -A /S O P -A Pin Description Pin No. 1 2 3 4 5 6 7 8 Pin Name OUTN Aud In VREF VSS CE NC OUTP VDD I/O O I O ¾ I ¾ O ¾ Negative output Audio input Speaker non-inverting input voltage reference Negative power supply, ground Chip enable, low active Not connected Positive output Positive power supply Description Rev. 1.20 1 January 17, 2008 HT82V739 www.DataSheet4U.com Absolute Maximum Ratings Supply Volt...