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BU9253FS Datasheet(PDF) 2 Page - Rohm

Part # BU9253FS
Description  KARAOKE echo IC
Download  6 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BU9253FS Datasheet(HTML) 2 Page - Rohm

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Multimedia ICs
BU9253AS / BU9253FS / BU9255FS
•Pin descriptions
BU9253FS / BU9255FS
BU9253AS
Pin No.
Pin name
Function
1
GND
2
ECHO VR
3
BIAS
4
DAINT IN
5
DAINT OUT
6
DALPF IN
7
DALPF OUT
8
MIX OUT
9
MIX IN
10
ADLPF IN
11
ADLPF OUT
12
ADINT OUT
13
ADINT IN
14
VCC
15
MUTE
16
CR
Analog DC bias
DA integrator input
Echo level DC control
DA integrator output
DA LPF input
DA LPF output
Source sound and echo sound
mixing output
Mixing amplifier source sound input
AD LPF input
AD LPF output
AD integrator output
AD integrator input
Vcc
Mute control
Oscillator output
Ground
•Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Unit
Applied voltage
VCC
7V
Power dissipation
Pd
500∗1
600∗2
BU9253FS
BU9253AS
500∗1
BU9255FS
mW
Operating temperature
Topr
– 10 ~ + 70
°C
Storage temperature
Topr
– 55 ~ + 125
°C
Input voltage
VIN
– 0.3 ~ VCC + 0.3
V
∗1 Reduced by 5.0mW for each increase in Ta of 1°C over 25°C.
∗2 Reduced by 6.0mW for each increase in Ta of 1°C over 25°C.
•Recommended operating conditions (Ta = 25°C)
Parameter
Power supply voltage
VCC
4.0
5.5
V
5.0
Symbol
Min.
Typ.
Max.
Unit
Pin No.
Pin name
Function
1
GND
2
ECHO VR
3
N.C.
4
BIAS
5
DAINT IN
6
DAINT OUT
7
DALPF IN
8
DALPF OUT
9
MIX OUT
10
MIX IN
11
ADLPF IN
12
ADLPF OUT
13
ADINT OUT
14
ADINT IN
15
VCC
16
17
18
N.C.
MUTE
CR
Ground
Echo level DC control
Internally
Analog DC bias
DA integrator input
DA integrator output
DA LPF input
DA LPF output
Source sound and echo sound
mixing output
Mixing amplifier source sound input
AD LPF input
AD LPF output
AD integrator output
AD integrator input
Vcc
Internally
Mute control
Oscillator output


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