ROHM BA6897S, BA6897FP Datasheet

Optical disc ICs

4-channel BTL driver for CD players

BA6897S / BA6897FP

The BA6897S and BA6897FP are a 4-channel BTL driver for CD player motors and actuators. It has an internal 5V
regulator and standard operational amplifier, and is suited to a wide range of applications.

Applications
CD players, CD-ROM drives

Features

1) Minimal number of external components.

2) Driver gain is adjustable with just one attached resis­tor.

3) Internal 5V regulator (attached PNP transistor nec­essary).

Absolute maximum ratings (Ta = 25C)

4) Internal standard operational amplifier.

5) Internal thermal shutdown circuit.

Recommended operating conditions (Ta = 25C)

391

Optical disc ICs BA6897S/BA6897FP

Block diagram

392

Optical disc ICs BA6897S/BA6897FP

Pin descriptions
BA6897S

393

Optical disc ICs BA6897S/BA6897FP

BA6897FP

394