BA3870 - Bass-Boost-System

Rohm

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Datasheet Details

Part number	BA3870
Manufacturer	ROHM
File Size	199.82 KB
Description	Bass-Boost-System
Datasheet	BA3870_Rohm.pdf

BA3870 Product details

Description

BA3870 422 Audio ICs FInput / output circuits BA3870 FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 5.0V and f = 1kHz) 423 Audio ICs FMeasurement circuit BA3870 424 Audio ICs FCircuit Operation (1) Overview of BBS BBS is a system which boosts the low end of the audible frequency range and at the same time linearly controls the amount of boost according to the volume to produce a rich sound without distortion through small diameter speakers.It also adjusts the g

Features

1) Adjustment of the base boost to a level appropriate for the volume through BBS. 2) Maximum bass boost level can be set externally. (20dB recommended) 3) Treble boost circuit (constant at 4dB) included onchip to preserve overall balance. 4) BBS on / off “pop” sound almost nonexistent. FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions (Ta = 25_C) 420 Audio ICs FBlock diagram BA3870 421 Audio ICs FPin.

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Published: Apr 1, 2005 |