ROHM BA3990F

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.
Applications
Portable CD players and headphone stereos
Features
1) Facilitates ripple filter design.
2) Low current consumption.
Absolute maximum ratings (Ta = 25C)
Recommended operating conditions (Ta = 25C)
682
Optical disc ICs
BA3990F
Block diagram
Electrical characteristics (unless otherwise noted, Ta = 25C and VCC = 3.5V)
683
Optical disc ICs
Measurement circuit
Application example
684
BA3990F
Optical disc ICs
BA3990F
Electrical characteristic curves
External dimensions (Units: mm)
685