BA3840KV Datasheet, PDF (1/8 Pages) Rohm – Preset graphic equalizer for headphone stereos

Audio ICs
Preset graphic equalizer for
headphone stereos
BA3840KV
The BA3840KV is a preset graphic equalizer IC for headphone stereos. It combines two equalizer circuit channels on
a single chip, and also includes a dynamic sound leak reduction circuit.
FApplications
Headphone stereos
Portable CD players
FFeatures
1) Four sound quality settings are possible by DC con-
trol.
2) High-frequency sounds can be cut off based on the
volume.
3) The sound leak reduction circuit can be turned on
and off by DC control.
FBlock diagram
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