632
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.
Applications
CD-ROM, CD players
Features
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.)
4) External mute pin enables the muting of the output
current for channels 1 and 4.
5) Power supply is divided into three systems
(VCC1 = ch1 and ch4, VCC2 = ch2 and current source,
VCC3 = ch3).
Absolute maximum ratings (Ta = 25 C)
Recommended operating conditions (Ta = 25 C)