TDA7284

TDA7284 RECORD/PLAYBACK CIRCUIT WITH ALC WIDE OPERATING SUPPLY VOLTAGE (3V to 12V) VERY LOW INPUT NOISE (VI = 1.2µV) INTERNAL COMPENSATION FOR HIGH GAIN APPLICATION (DOUBLE SPEED RECORDING) BUILT-IN ALC CIRCUITRY GOOD SVR DC CONTROLLED SWITCHES FOR MUTE OR EQUALIZATION SWITCHING FUNCTIONS DESCRIPTION The TDA7284 is a monolithic integrated circuit in a DIP/SO-14designed for 6V, 9V and 12V AC/DC portable cassette equipment application. BLOCK DIAGRAM DIP14 SO14 ORDERING NUMBER: TDA7284 TDA7284D May 1997 1/14 TDA7284 PIN CONNECTION (Top view) ABSOLUTE MAXIMUM RATINGS Symbol VS TOP Tstg, Tj Supply Voltage Operating Temperature Range Storage and Junction Temperature Range Parameter Value 14 -20 to 70 -40 to 150 Unit V °C °C THERMAL DATA Symbol Rth j-amb Description Thermal Resistance Junction-ambient Max S014 200 DIP14 120 Unit °C/W DC CHARACTERISTICS (Tamb = 25°; VS = 6V; V i = 0V; Ri = 10KΩ; ALC = OFF) Terminal No. Terminal Voltage (V) 1 0 2 0 3 0 4 0 5 2.6 6 0 7 1.3 8 1.3 9 0 10 2.6 11 6 12 4.6 13 0 14 0 2/14 TDA7284 Figure 1: Test and Application Circuit 3/14 TDA7284 Figure 2: P.C. Board and Component Layout of the Circuit of Fig. 1 (1:1 scale). 4/14 TDA7284 ELECTRICAL CHARACTERISTICS (VS = 6V, T amb = 25°C unless otherwise specified refer to test circuit) Symbol VS Id En RI GO VO THD Parameter Supply Voltage Quiescent Current Input Noise Input Resistance Open Loop Gain Output Voltage Total Harmonic Distortion ALC Range CB SVR Channel Balance Supply Voltage Rejec...