TDA7482

® TDA7482 25W MONO CLASS-D AMPLIFIER 25W OUTPUT POWER: RL = 8Ω/4Ω; THD = 10% HIGH EFFICIENCY WIDE SUPPLY VOLTAGE RANGE (UP TO ±25V) SPLIT SUPPLY OVERVOLTAGE PROTECTION ST-BY AND MUTE FEATURES SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION DESCRIPTION The TDA7482 is an audio class-D amplifier assembled in Multiwatt15 package specially designed for high efficiency applications mainly for TV and Home Stereo sets. Figure 1: Test and Application circuit. Multiwatt15 ORDERING NUMBER: TDA7482 +5V R1 10K +VCC C5 100nF -VCC (Pin 14,15) R2 10K ST-BY MUTE C1 2.2 µF R3 30K ST-BY/ MUTE IN1 10 C6 100nF VCC POW 13 11 3 VCC SIGN C7 2200 µF N.C. 4 BOOT C11 100nF OUT C12 560pF R5 150Ω L1 60µH IN1 C2 0.33µF C4 4.7nF C3 1nF 9 + PRE + PWM 1 5 FEEDCAP 12 SGN-GND 7 6 FREQ C8 270pF R4 12KΩ (RF) C9 100nF -VCC C10 2200 µF 8 -VCC SIGN 14,15 -VCC POW 2 VREG C14 470nF 8Ω C15 100nF BOOTDIODE D96AU538C June 1998 1/6 TDA7482 ABSOLUTE MAXIMUM RATINGS Symbol VCC Ptot Tstg, Tj VFREQ Top ESD DC Supply Voltage Power Dissipation Tcase = 70°C Storage and Junction Temperature Maximum Voltage Across RF (pin6) Operating Temperature Range Max ESD on Pins Parameter Value ± 28 35 –40 to 150 8 0 to 70 ±1.2 Unit V W °C V °C KV PIN CONNECTION (Top view) 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 D96AU539A -VCC POW -VCC POW +VCC POW VREG +VCC SIGN ST-BY/MUTE IN -VCC SIGN SGN-GND FREQ FEEDCAP N.C. BOOT BOOTDIODE OUT TAB CONNECTED TO PIN 8 THERMAL DATA Symbol Rth j-case Parameter Thermal Resistan...