ROHM BA5934FP Datasheet

Optical disc ICs

4-channel BTL driver for CD players

BA5934FP

The BA5934FP is a 4-channel BTL driver developed to drive CD player motors and actuators. Perfect for compact ap­plications with the use of the HSOP 28-pin power package.

Applications
CD players, CD-ROM

Features

1) In addition to internal drivers for the focus coil, track­ing coil, and sled motor, it also contains a driver for
the loading motor.

2) Perfect for compact applications with the use of the
HSOP 28-pin power package.

3) Requires few external components.

Absolute maximum ratings (Ta = 25C)

4) Driver gain is adjustable with a single externally con­nected resistor.

5) Internal thermal shutdown circuit.

6) External mute pin enables the muting of the output
current for channel 4.

Recommended operating conditions (Ta = 25C)

718

Optical disc ICs BA5934FP

Block diagram

Pin descriptions

719

Optical disc ICs BA5934FP

Input / output circuits

720