TDA7220

TDA2822M DUAL LOW-VOLTAGE POWER AMPLIFIER . . . . SUPPLY VOLTAGE DOWN TO 1.8V LOW CROSSOVER DISTORSION LOW QUIESCENT CURRENT BRIDGE OR STEREO CONFIGURATION MINIDIP ORDERING NUMBER : TDA2822M DESCRIPTION The TDA2822M is a monolithic integrated circuit in 8 lead Minidip package. It is intended for use as dual audio power amplifier in portable cassette players and radios. PIN CONNECTION (Top view) March 1995 1/11 TDA2822M SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Vs Io Ptot Tstg, Tj Supply Voltage Peak Output Current Total Power Dissipation at Tamb = 50 °C at Tcase = 50 °C Storage and Junction Temperature Parameter Value 15 1 1 1.4 – 40, + 150 Unit V A W W °C THERMAL DATA Symbol Rth j-amb R th j-case Parameter Thermal Resistance Junction-ambient Thermal Resistance Junction-pin (4) Max. Max. Value 100 70 Unit °C/W °C/W 2/11 TDA2822M ELECTRICAL CHARACTERISTICS (VS = 6V, Tamb = 25oC, unless otherwise specified) Symbol Vs Vo Id Ib Po Parameter Supply Voltage Quiescent Output Voltage Vs = 3V Quiescent Drain Current Input Bias Current Output Power (each channel) (f = 1kHz, d = 10%) Test Conditions Min. 1.8 2.7 1.2 6 100 VS = 9V VS = 6V VS = 4.5V VS = 3V VS = 2V VS = 6V VS = 9V VS = 6V VS = 6V VS = 4.5V VS = 3V Po = 40mW Po = 75mW Po = 150mW 300 120 60 20 5 220 1000 380 650 320 110 0.2 0.2 0.2 39 Typ. Max. 15 Unit V V V mA nA mW STEREO (test circuit of Figure 1) 9 R L = 32Ω 90 15 170 300 450 R L = 16Ω R L = 8Ω R L = 4Ω d Distortion (f = 1kHz) R L = 32Ω R L = 16Ω ...