701

Optical disc ICs

3-channel BTL driver for CD, CD-ROM,

DVD, and DVD-ROM

BA5973FP

The BA5973FP is a 3-channel BTL driver developed for use as the actuator and loading motor driver for CD and DVD

players. Since the gain and frequency characteristics for the actuator can be set to any desired value with external com-

ponents, it is can be used in a wide range of applications.

FFeatures

1) 3-channel BTL driver for CD players.

2) The HSOP-28 package allows for the design of

smaller sets.

3) Internal thermal shutdown circuit with hysteresis.

〈Actuator driver〉

4) Gain is adjustable with external resistor.

5) Contains both positive and negative input systems

for compatibility with a variety of input formats such

as reverse phase input.

〈Loading driver〉

6) Internal brake function.

7) Internal back-rush voltage protection diode.

FAbsolute maximum ratings (Ta = 25_C)

FRecommended operating conditions