BU9253 Просмотр технического описания (PDF) - ROHM Semiconductor

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BU9253

KARAOKE echo IC

ROHM Semiconductor 

Multimedia ICs

BU9253AS / BU9253FS / BU9255FS

•Electrical characteristics (Ta = 25°C, VCC = 5.0V, fCLK = 375kHz, f = 1kHz, VI = - 10dBV, pin 2 = VCC, pin 15 = VCC,

distortion = 400Hz ~ 30kHz filter, output noise voltage : DIN-AUDIO)

*Pin No. are for BU9253FS , BU9255FS and BU9253AS

Parameter

Current consumption

Voltage gain 1

Voltage gain 2

Output distortion 1

Output distortion 2

Output noise voltage 1

Output noise voltage 2

Max. output voltage 1

Max. output voltage 2

Mute control

Oscillation frequency

Symbol

ICC

GV1

Min.

—

– 5.6

Typ.

6

– 3.5

Max.

12

– 1.4

GV2

THD1

THD2

VNO1

VNO2

VOM1

VOM2

VH

VM

VL

fC

–1

0

1

—

1.5

3

—

0.02

0.1

— – 80 – 60

— – 90 – 80

1.4

1.7

—

1.4

1.7

—

3.8

—

5.0

1.6

—

2.8

0

—

0.7

—

375

—

Unit

Conditions

mA No signal

Delay total gain

dB

IN1→OUT

dB

Through total gain

IN2→OUT, pin2 = ground

% Delay side

% Through, pin2 = ground

dBV Delay, Rg = 1kΩ

dBV

Through side

Rg = 1kΩ, pin2 = ground

Vrms Delay, THD = 10%

Vrms

Through side, THD = 1%

Pin 2 = ground

V H mode hold voltage, pin 15 DC

V M mode hold voltage, pin 15 DC

V L mode hold voltage, pin 15 DC

kHz

3

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