ROHM BA5972FP Datasheet
Optical disc ICs
BTL driver for CD-ROMs
BA5972FP
The BA5972FP is a 4-channel BTL driver developed for use with CD-ROMs. A multi-purpose operational amplifier is
equipped in each channel to allow use in a variety of applications. Also, by applying independent power supplies for both
the pre-stage and power-stage, with the power-stage power supply further split into two so one power supply handles
two channels each, a highly efficient driver has been realized.
FApplications
CD-ROM, DVD-ROM, MD, and optical discs
FFeatures
1) Wide dynamic range (V
= 8V, PowVCC = 5V, and RL = 8Ω).
2) Internal thermal shutdown circuit.
FAbsolute maximum ratings (Ta = 25_C)
OUT = 4V [Typ.] when PreVCC
3) Internal mute functions.
4) Internal standby functions.
FRecommended operating conditions (Ta = 25_C)
662
Optical disc ICs BA5972FP
Block diagram
Pin descriptions
663
Optical disc ICs BA5972FP
Input / output circuits
664
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