SA7264

SA7264 2-CH AUDIO POWER AMPLIFIER(25W X2 ) DESCRIPTION The SA7264 is a monolithic integrated circuit in HSIP package, intended for use as dual audio frequency class AB amplifier. FEATURES * Wide supply voltage range up to 50V ABS MAX. * Split supply operation. * High output power: 25 + 25W @ THD=10%,RL=8 ,VS=±20V * Mute/stand-by function. * Few external components. * Short circuit protection. * Thermal overload protection. HSIP-11 HSIP-8 HSIP-15 APPLICATIONS * Hi-Fi music centers * Stereo TV sets ORDERING INFORMATION Part No. SA7264 SA7264A SA7264B Package HSIP-8 HSIP-15 HSIP-11 BLOCK DIAGRAM www.DataSheet4U.com Note: Figures for the SA7264. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.1 2006.05.25 Page 1 of 13 SA7264 ABSOLUTE MAXIMUM RATING Characteristics DC Supply Voltage Output Peak Current (Internally Limited) Power Dissipation Tcase=70°C Storage And Junction Temperature Supply voltage to guarantee short-circuit protection Thermal Resistance From Junction To Case (Max) normal. Symbol Vs Io Ptot Tstg, Tj Vs(sc) Rth(j-c) Ratings 50 4.5 30 -40~+150 ±18(*) 2 Unit V A W °C V °C/W (*)Maximum supply voltage to guarantee short-circuit to ±Vs is ±18V, and to GND short-circuit protection is ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Vs±20V; RL=8Ω; Rs=50Ω; f=1KHz; Tamb=25°C, unless otherwise specified.) Characteristics Supply Range Total Quiescent Current Music Output Power(*) Symbol Vs Iq Po THD=10%;RL=8Ω; Vs=±22.5V THD=10%; Outpu...