BU9253 - KARAOKE echo IC

Rohm

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Datasheet Details

Part number	BU9253
Manufacturer	ROHM
File Size	72.86 KB
Description	KARAOKE echo IC
Datasheet	BU9253_Rohm.pdf

BU9253 Product details

Description

BU9253FS / BU9255FS Pin No.1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 BU9253AS / BU9253FS / BU9255FS BU9253AS Function Pin No.1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Pin name GND ECHO VR N.C.BIAS DAINT IN DAINT OUT DALPF IN Ground Echo level DC control Internally Analog DC bias DA integrator input DA integrator output DA LPF input Source sound and echo sound mixing output Mixing amplifier source sound input AD LPF input Function Pin name GND ECHO VR BIAS DAINT IN DAINT OUT DALP

Features

1) Echo mixing ratio is adjustable with a DC voltage. 2) A second order LPF can be configured with the internal amplifier and an attached capacitor and resistor. 3) Delay time of 131ms. (when fCLK = 357kHz) 4) Internal mute function. 5) Single power supply (5V).
Block diagram BU9253FS / BU9255FS 16 15 14 13 12 11 10 9 OSC VCC A/D.

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Published: Apr 17, 2005 |