BU9252S datasheet(4/6 Pages) ROHM

No de pièce	BU9252S

Description	Audio digital delay (KARAOKE echo)

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Fabricant	ROHM [Rohm]

Site Internet	http://www.rohm.com

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4

Multimedia ICs

BU9252S / BU9252F

•Absolute maximum ratings (Ta = 25°C)

Parameter

Symbol

Limits

Unit

Power supply voltage

VDD

– 0.3 ~ + 7.0

V

Power

dissipation

mW

Storage temperature

– 55 ~ + 125

°C

Input voltage

VIN

– 0.3 ~ VDD + 0.3

V

Output voltage

VOUT

– 0.3 ~ VDD + 0.3

V

BU9252S

BU9252F

Pd

Tstg

600∗1

450∗2

∗1 IC only. Reduce by – 6mW / °C for each in Ta of 1°C over 25°C.

∗2 IC only. Reduce by – 4.5mW / °C for each in Ta of 1°C over 25°C.

•Recommended operating conditions

Parameter

Symbol

Limits

Unit

VDD

4.5 ~ 5.5

V

AVDD

VDD

V

VIL

0.0 ~ 0.2VDD

V

VIH

0.8VDD ~ VDD

V

VAIN

0 ~ AVDD

V

fOSC

200 ~ 1000

kHz

Topr

– 10 ~ + 70

°C

Power supply voltage

Analog power supply voltage

Input "L" voltage

Input "H" voltage

Analog input voltage

Clock frequency

Operating temperature

•Electrical characteristics (unless otherwise noted, Ta = 25°C, VDD = AVDD = 5V)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

IDD

—

3.5

12

mA

IAOUT

14

—

mA

0.3

0.8

—

mA

RAIN

12

25

60

k

Ω

RES

—

2

—

LSB

VLOSC

—

0.6

1.2

V

VHOSC

3.8

4.4

—

V

IOH = – 100

µA

IOSCI

16

20

µAVOSCI = VDD

—

150

—

pF

IOL = 100

µA

VAIN = AVDD, fOSC = 455kHz

VAOUT = 1V, VAIN = 0V

VAOUT = 0.5VDD, VAIN = VDD

∗ The bias circuit is impedance.

∗

Supply current

Analog output current

Analog input impedance

A / D to D / A precision

OSCO output "L" voltage

OSCO output "H" voltage

OSCI feedback loop current

Oscillation capacity

Numéro de pièce similaire - BU9252S

Fabricant	No de pièce	Fiches technique	Description
Rohm	BU9253	72Kb / 6P	KARAOKE echo IC
	BU9253AS	72Kb / 6P	KARAOKE echo IC
	BU9253AS	942Kb / 17P	Karaoke/Surround Digital Echo
	BU9253AS-E2	942Kb / 17P	Karaoke/Surround Digital Echo
	BU9253AS	942Kb / 17P	Karaoke/Surround Digital Echo

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Fabricant	No de pièce	Fiches technique	Description
Rohm	BU9253AS	942Kb / 17P	Karaoke/Surround Digital Echo
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