ROHM BA6197FP Datasheet
Optical disc ICs
4-channel BTL driver for CD players
BA6197FP
The BA6197FP , an IC for CD players, has a 4-channel BTL driver , 5V regulator (attached PNP transistor required), standard operational amplifier, and internal reset output linked to an internal thermal shutdown circuit. The driver has gain
adjustment input pins for each channel, allowing gain to be set to the desired value. Also, the internal level shift circuit
helps reduce the number of attached components.
FApplications
CD players, CD-ROM drives and other optical disc devices
FFeatures
1) 4-channel BTL driver on a HSOP 28-pin power package, allowing for application miniaturization.
2) Gain is adjustable with an attached resistor.
3) Internal thermal shutdown circuit with hysteresis capabilities.
4) Internal 5V regulator. (required attached PNP transistor)
5) Internal standard operational amplifier.
6) Reset output pin.
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions (Ta = 25_C)
298
Optical disc ICs BA6197FP
Block diagram
299
Optical disc ICs BA6197FP
Pin descriptions
300
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