3

Multimedia ICs

BU9253AS / BU9253FS / BU9255FS

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

*Pin No. are for BU9253FS , BU9255FS and BU9253AS

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

1.4

1.7

—

—

– 90

– 80

dBV

– 1

0

1

dB

– 5.6

– 3.5

– 1.4

dB

—

375

—

kHz

0

—

0.7

V

1.6

—

2.8

V

3.8

—

5.0

V

1.4

1.7

—

—

– 80

– 60

dBV

THD2

—

0.02

0.1

%

THD1

—

1.5

3

%

—

6

12

mA

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

No signal

Delay total gain

IN1

→OUT

Through total gain

IN2

→OUT, pin2 = ground

Delay side

Through,

pin2 = ground

Delay,

Rg = 1k

Ω

Through side

Rg = 1k

Ω, pin2 = ground

Delay,

THD = 10%

Through side, THD = 1

%

Pin 2

= ground

H mode hold voltage, pin 15 DC

M mode hold voltage, pin 15 DC

L mode hold voltage, pin 15 DC