TDA7286

TDA7286 SINGLE CHIP PREAMPLIFIER FOR DOUBLE DECK RADIO CASSETTE RECORDER HIGH OPEN-LOOP GAIN (80dB) VERY LOW INPUT NOISE LOW TURN ON/OFF POP LOW SUPPLY CURRENT PLAYBACK AMPLIFIER WITH HEAD INPUT SWITCH RECORDING AMPLIFIER WITH BUILT-IN ALC ALC TIME CONSTANT PIN CAN BE USED AS ALC SWITCH GOOD SUPPLY RIPPLE REJECTION DESCRIPTION The TDA7286 is a monolithic integrated circuit in DIP20 and SO20 packages designed for 6V, 9V and 12V AC/DC double deck cassette applications. BLOCK DIAGRAM DIP20 SO20 ORDERING NUMBERS: TDA7286 TDA7286D May 1997 1/6 TDA7286 ABSOLUTE MAXIMUM RATINGS Symbol VS VIN Top Tstg, Tj Supply Voltage Input DC Voltage Operating Temperature Storage & Junction Temperature Parameter Value 14 –0.4 to 0.5 –20 to 70 –40 to 150 Unit V V °C °C PIN CONNECTION (Top view) THERMAL DATA Symbol Rth j-amb Parameter Thermal Resistance Junction to Ambient Max. DIP20 100 SO20 200 Unit °C/W 2/6 TDA7286 ELECTRICAL CHARACTERISTICS (VS = 6V, Tamb = 25°C; f = 1KHz; RL = 4.7kΩ; Rg = 2.2kΩ, unless otherwise specified.) Symbol VS Id GVO VCD VO SVR CT EN RE GVO Ri VDC VO Parameter Supply Voltage Quiescent Current Open Loop Gain Output DC Voltage Output AC Voltage Supply Voltage Rejection Cross Talk Total Output Noise Internal Feedback Res Open Loop Gain Input resistance Output DC Voltage Output AC Voltage THD = 1% ALC = OFF ALC = ON VO = 0.5Vrms; ALC = OFF ∆VO = 3dB ALC = ON f = 100Hz f = 1KHz chB selected chA seleced 1.4 28 30 2.0 1 0.75 R g = 0, BW = 22 to 22kHz THD = 1% f = 100H...