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MFG:ROHM  Package Cooled:DIP  

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Part Number: BU9252S

 

MFG: ROHM

Package Cooled: DIP

 

Description: The BU9252S and BU9252F are digital delays specifically for Karaoke systems. Each has an internal samp...


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BU9252S General Description


The BU9252S and BU9252F are digital delays specifically for Karaoke systems. Each has an internal sample hold
circuit, an 8-bit A / D and D / A converter and 2kB SRAM, and allows for the selection of one of eight delay times just
by attaching an inexpensive ceramic resonator.

A digital echo system can be formed by using either of these ICs together with the BA7725S or BA7725FS.

BU9252S Maximum Ratings

Parameter Symbol Limits Unit
Power supply voltage VDD 0.3 ~ + 7.0 V
Power dissipation BU9252S Pd 600*1 mW
BU9252F 450*2
Operating temperature Topr 55 ~ + 125
Input voltage VIN 0.3 ~ VDD + 0.3 V
Output voltage VOUT 0.3 ~ VDD + 0.3 V
*1 IC only. Reduce by 6mW / for each in Ta of 1over 25.
*2 IC only. Reduce by 4.5mW / for each in Ta of 1 over 25.

BU9252S Features

· Internal digital delay circuit.
· Internal 8-bit A / D converter. Sample rate. (14.22kHz when fOSC = 455kHz).
· Internal 2k bytes data SRAM.
· Internal 8-bit D / A converter.
· CMOS design for low power consumption.
·Internal sample hold circuit.
· Internal feedback resistors and capacitors for oscillator circuits.

BU9252S Typical Application

·Karaoke echo system
·Electronic circuits that require signal delays

BU9252S datasheet

BU9252S
PDF/DataSheet Download

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