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BU9252F-T1, BU9252F-TI, BU9252S

Table of contents:
Info of BU9252F-T1
Info of BU9252F-TI
Info of BU9252S

BU9252F-T1, BU9252F-TI, BU9252S Selling Leads, Datasheet

MFG:ROHM Package Cooled:SOP18 D/C:9277/9644+

BU9252F-T1, BU9252F-TI, BU9252S Datasheet download

Five Points

Part Number: BU9252F-T1

MFG: ROHM

Package Cooled: SOP18

D/C: 9277/9644+

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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		V_DD	0.3 ~ + 7.0	V
Power dissipation	BU9252S	Pd	600^*1	mW
Power dissipation	BU9252F	Pd	450^*2	mW
Operating temperature		Topr	55 ~ + 125
Input voltage		V_IN	0.3 ~ V_DD + 0.3	V
Output voltage		V_OUT	0.3 ~ V_DD+ 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 f_OSC = 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

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