TDA7245

TDA7245 5W AUDIO AMPLIFIER WITH MUTING AND STAND-BY MUTING AND STAND-BY FUNCTIONS VOLTAGE RANGE UP TO 30V HIGH SUPPLY VOLTAGE REJECTION SVR TYP = 50dB (f = 100Hz) MUSIC POWER = 12W (RL = 4Ω, d = 10%) PROTECTION AGAINST CHIP OVER TEMPERATURE Powerdip 9+9 DESCRIPTION The TDA7245 is a monolithic integrated circuit in 9+9 POWERDIP package, intended for use as Figure 1: Test and Application Circuit ORDERING NUMBER: TDA7245 low frequency power amplifier in a wide range of applications in radio and TV sets. March 1995 1/11 TDA7245 ABSOLUTE MAXIMUM RATINGS Symbol VS IO IO Ptot Tstg, Tj Supply Voltage Output Peak Current (non repetitive t = 100µs) Output Peak Current (repetitive, f > 20Hz) Power Dissipation at Tamb = 80°C at T case = 70°C Storage and junction Temperature Parameter Value 30 3 2.5 1 6 -40 to 150 Unit V A A W W °C PIN CONNECTION (Top view) THERMAL DATA Symbol Rth j-case Rth j-amb Description Thermal Resistance junction-case Thermal Resistance junction-ambient Max Max Value 15 70 Unit °C/W °C/W 2/11 TDA7245 ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Tamb = 25°C, f = 1kHz; unless otherwise specified). Symbol VS VO Id PO Parameter Supply Voltage Quiescent Output Voltage Quiescent Drain Current Output Power VS = 24V VS = 14V VS = 28V d = 1%, f = 1KHz VS = 14V, R L = 4Ω VS = 18V, R L = 8Ω d = 10%, f = 1KHz VS = 14V, R L = 4Ω VS = 18V, R L = 8Ω Music Power (*) VS = 24V, d = 10%, RL = 4Ω VS = 14V, R L = 4Ω, PO = 50mW to 3W f = 1KHz f = 10KHz VS = 18V, R...