BA3890F Datasheet, PDF (1/4 Pages) Rohm – Pulse width controller for portable CD players

Optical disc ICs
Pulse width controller for portable
CD players
BA3890F
The BA3890F is an interface IC that provides gain for the PWM signal pulses used in digital servo systems, and allows
gain adjustment to eliminate the dependence on battery voltage.
FApplications
Portable CD players CD-ROM, and MD players
FFeatures
1) Amplifies the pulse width in accordance with the bat-
tery voltage.
2) Gain switching is possible via the control pin.
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions
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