ROHM BA6354BFS

Optical disc ICs
Front end for CD players
BA6354BFS
The BA6354BFS is an analog front end LSI developed for CD players and CD-ROMs.
With a shared equalizer for normal and multiple speeds, and an input stage that supports hologram picks, the need for
external components is minimized and the package size is greatly reduced.
Applications
CD players, car navigation CD-ROMs
Features
1) Supports hologram picks.
2) Internal APC circuit for laser control.
3) DC control enables balance adjustment for focus error and tracking error.
Absolute maximum ratings (Ta = 25C)
Recommended operating conditions (Ta = 25C)
526
4) Maintains the output amplitude at a constant value
with an RF AGC circuit.
5) Switchable equalizer (internal normal speed and
multiple speed equalizer).
Optical disc ICs
BA6354BFS
Block diagram
527
Optical disc ICs
Electrical characteristics (unless otherwise noted, Ta = 25C, VCC = 5V)
528
BA6354BFS
Optical disc ICs
BA6354BFS
529
Optical disc ICs
Measurement circuit
530
BA6354BFS
Optical disc ICs
BA6354BFS
Application example
531
Optical disc ICs
Electrical characteristics curve
External dimensions (Units: mm)
532
BA6354BFS