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BU9252-S, BU9253AS, BU9253F

Table of contents:
Info of BU9252-S
Info of BU9253AS
Info of BU9253F

BU9252-S, BU9253AS, BU9253F Selling Leads, Datasheet

MFG:Rohm Semiconductor Category:Integrated Circuits (ICs) Package Cooled:DIP D/C:07+

BU9252-S, BU9253AS, BU9253F Datasheet download

Five Points

Part Number: BU9252-S

Category: Integrated Circuits (ICs)

MFG: Rohm Semiconductor

Package Cooled: DIP

D/C: 07+

Description: IC KARAOKE ECHO SGL CHIP SDIP18

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BU9253AS Parameters

Technical/Catalog Information	BU9253AS
Vendor	Rohm Semiconductor
Category	Integrated Circuits (ICs)
Mounting Type	Through Hole
Package / Case	18-SDIP (300 mil)
Type	Echo IC
Packaging	Tube
Applications	Karaoke
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	BU9253AS BU9253AS

BU9253AS General Description

The BU9253AS, BU9253FS and BU9255FS are single-chip ICs that contain all the components needed to configure
a KARAOKE echo system: an A / D and D / A converter, SRAM, LPF, and mixer for mixing source signals. With these ICs, an echo function can be configured easily and with minimum external components.

BU9253AS Maximum Ratings

Parameter		Symbol	Limits	Unit
Applied voltage		V_CC	7	V
Power dissipation	BU9253FS	Pd	500*1	mW
	BU9253AS		600*2
	BU9255FS		500*1
Operating temperature range		Topr	10 ~ + 70
Storage temperature range		Tstg	55 ~ + 125
Input voltage		V_IN	−0.3 toV_CC+0.3	V

*1 Reduced by 5.0mW for each increase in Ta of 1 over 25.
*2 Reduced by 6.0mW for each increase in Ta of 1 over 25.

BU9253AS Features

· Echo mixing ratio is adjustable with a DC voltage.
· A second order LPF can be configured with the internal amplifier and an attached capacitor and resistor.
· Delay time of 131ms. (when f_CLK = 357kHz)
· Internal mute function.
·Single power supply (5V).

BU9253AS Typical Application

·KARAOKE functions for portable stereo sets, mini component stereo sets, video CDs and DVDs, etc.

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