Optical disc ICs
4-channel BTL driver for CD players
BA5937AFP
The BA5937AFP is a 4-channel BTL driver developed for use with CD players. In addition to internal drivers for the focus
coil, tracking coil, and sled motor, it also contains a driver for the loading motor.
FApplications
CD-ROM, CD players
FFeatures
1) Perfect for compact applications with the use of the
HSOP 28-pin power package.
2) Internal thermal shutdown circuit.
3) Gain is adjustable with externally connected resistor.
(For channels 1, 3, and 4.)
FAbsolute
maximum ratings (Ta = 25_C)
4) External mute pin enables the muting of the output
current for channels 1 and 4.
5) Power supply is divided into three systems
(V
CC
1 = ch1 and ch4, V
CC
2 = ch2 and current source,
V
CC
3 = ch3).
FRecommended
operating conditions (Ta = 25_C)
632