參數(shù)資料
型號(hào): BU9253FS
廠商: Rohm CO.,LTD.
英文描述: KARAOKE echo IC
中文描述: 卡拉OK回聲集成電路
文件頁數(shù): 3/6頁
文件大?。?/td> 72K
代理商: BU9253FS
3
Multimedia ICs
BU9253AS / BU9253FS / BU9255FS
Electrical characteristics (Ta = 25°C, V
CC
= 5.0V, f
CLK
= 375kHz, f = 1kHz, V
I
= - 10dBV, pin 2 = V
CC
, pin 15 = V
CC
,
distortion = 400Hz ~ 30kHz filter, output noise voltage : DIN-AUDIO)
*Pin No. are for BU9253FS , BU9255FS and BU9253AS
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
V
OM2
1.4
1.7
V
rms
V
NO2
– 90
– 80
dBV
G
V2
– 1
0
1
dB
G
V1
– 5.6
– 3.5
– 1.4
dB
f
C
375
kHz
V
L
0
0.7
V
V
M
1.6
2.8
V
V
H
3.8
5.0
V
V
OM1
1.4
1.7
V
rms
V
NO1
– 80
– 60
dBV
THD2
0.02
0.1
%
THD1
1.5
3
%
I
CC
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
Through side
Rg = 1k
, 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
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