Optical disc ICs Ripple filter for portable CD players BA3990F The BA3990F is a ripple filter for portable CD players that operate off two batteries.
FApplications Portable CD players and headphone stereos FFeatures 1) Facilitates ripple filter design.
2) Low current consumption.
FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions (Ta = 25_C) 682 Optical disc ICs FBlock diagram BA3990F FElectrical characteristics (unless otherwise noted, Ta = 25_C and VCC = 3.
5V) 683 Optical disc ICs FMeasurement circuit BA3990F FApplication example 684 Optical disc ICs FElectrical characteristic curves BA3990F FExternal dimensions (Units: mm) 685 ...

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