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ROHM Semiconductor |
Audio ICs
Headphone driver for
portable CD players
BA3571F
BA3571F
The BA3571F is headphone drivers designed for portable CD players. An oscillation damper is not needed at the
headphone output, minimizing external components. Includes a bass boost circuit which enables setting of the bass
boost with external components.
!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
Symbol
Power supply voltage
VCC
Power dissipation
Pd
Operating temperature
Topr
Storage temperature
Tstg
Limits
5.5
550 *1
-25~+75
-55~+125
*1 Reduced by 5.5mW for each increase in Ta of 1˚C over 25˚C.
Unit
V
mW
˚C
˚C
!Recommended operating conditions (Ta = 25°C)
Parameter
Symbol Min.
Power supply voltage
VCC
2.0
Typ.
-
Max.
5.5
Unit
V
Audio ICs
!Block diagram
Vcc 1
Out 1
Vcc 2
NC
NC
Ripple Filter
NC
IN 1
Bias in
Bias out
BA3571F
Power GND
Out 2
τ
BB SW τ
BB SW
LP Out
LP NF
IN 2
LP IN
Pre GND
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