TA8223K

The TA8223K is an audio power IC with built-in two channels developed for portable radio cassette tape recorder with power ON/OFF switch. Thermal shut down protection circuit is built in. The features of TA8223K are: (1)high power: Pout(1)=6.5W; (2)low popping noise at power ON; (3)small quiescent current: ICCQ=29mA; (4)soft clip; (5)built-in thermal shut down proteation circuit; (6)operation supply voltage range: VCC=6 to 18V.

The following is about the maximum ratings of TA8223K: (1)supply voltage: 25V; (2)output current: 4 A; (3)power dissipation: 15.0W; (4)operating temperature: -20 to 75; (5)storage temperature: -55 to 150.

The electrical characteristics of the TA8223K are: (1)quiescent current: 29mA typical and 60mA max; (2)output power: 5.0W min and 6.5W typical; (3)total harmonic distortion: 0.15% typocal and 1.0% min; (4)voltage gain: 43dB min, 45dB typical and 47dB max; (5)input resistance: 30k; (6)output noise voltage: 0.35mVrms typical and 0.70mVrms max; (7)ripple rejection ratio: -45dB min and -55dB typical; (8)cross talk: -55dB typical; (9)input offset voltage: 20mV typical and 60mV max; (10)stand-by current: 1A typical.