ba3840kv ROHM Co. Ltd., ba3840kv Datasheet

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ba3840kv

Manufacturer Part Number
ba3840kv
Description
Preset Graphic Equalizer For Headphone Stereos
Manufacturer
ROHM Co. Ltd.
Datasheet
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-
2) High-frequency sounds can be cut off based on the
FBlock diagram
Preset graphic equalizer for
headphone stereos
BA3840KV
Audio ICs
trol.
volume.
3) The sound leak reduction circuit can be turned on
and off by DC control.
555

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ba3840kv Summary of contents

Page 1

... 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 ...

Page 2

... Audio ICs FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions (Ta = 25_C) FElectrical characteristics(unless otherwise noted 25_C flat position on, sound leak reduction circuit off) 556 BA3840KV = 2V 1kHz 100mV , CC IN rms ...

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... Audio ICs FPin descriptions BA3840KV 557 ...

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... Audio ICs 558 BA3840KV ...

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... Audio ICs BA3840KV 559 ...

Page 6

... If the stereo output signal from the power amplifier is mixed and input to the DET 2 pin, the effective graphic equalizer position will be FLAT during high level output regardless of the selected position. (However, if the pop position has been selected, the mid-range boost will be maintained.) BA3840KV ...

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... Recommended operating conditions Furthermore condition for an electrical characteristic is not satisfied while within the ambient operating tem- perature range, the standard value for that electrical characteristic cannot be guaranteed. Despite this, how- ever, no abrupt changes to the electrical characteristic will occur. BA3840KV 561 ...

Page 8

... Audio ICs FElectrical characteristic curves 562 FExternal dimensions (Units: mm) BA3840KV ...

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