APPLICATIONS
Portable CD players !FEATURES
1) An external oscillation damper is not needed. 2) Includes a bass boost circuit making it possible to set the bass boost with attached components. !Absolute maximum ratings (Ta = 25°C) Parameter Power supply voltage Power dissipation Operating temperature Storage temperature Symbol VCC Pd Topr Tstg Limits 5.5 550 *1 -25~+75 -55~+125 Unit V mW ˚C ˚C *1 Reduced by 5.5mW for each increase in Ta of 1˚C over 25˚C. !Recommended operating conditions (Ta = 25°C) Parameter Power supply voltage Symbol VCC Min. 2.0 Typ. Max. 5.5 Unit V BA3571F Audio ICs !Block diagram 11 VCC GND Vcc 1 10 9 8 BB SW 6 7 5 4 2 3 1 Power GND Out 1 12 Out 2 Vcc 2 13 τ 14 NC BB SW τ NC 15 BB SW Ripple Filter RF1 16 17 50k LP Out NC 39k LP NF IN 1 18 IN 2 Bias in 19 VCC LP IN Bias out Pre GND 20 Pre GND BA3571F Audio ICs !Electrical characteristics _ (unless otherwise noted, Ta = 25°C, VCC = 3V, RL = 16Ω, and f = 1kHz; measurement circuit shown in Fig.1) Parameter Quiescent c...