BU9255FS-E2 Rohm Semiconductor, BU9255FS-E2 Datasheet - Page 2

• Manufacturer Part Number: BU9255FS-E2
• Description: IC KARAOKE ECHO SGL CHIP SSOPA16
• Manufacturer: Rohm Semiconductor
• Type: Echo ICr

Specifications of BU9255FS-E2

• Applications: Karaoke
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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2
Pin No.
BU9253FS / BU9255FS
Multimedia ICs
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.
Applied voltage
Power dissipation
Operating temperature
Storage temperature
Input voltage
Power supply voltage
Pin descriptions
Absolute maximum ratings (Ta = 25°C)
Recommended operating conditions (Ta = 25°C)
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Parameter
DALPF OUT
ADLPF OUT
DAINT OUT
ADINT OUT
Parameter
ECHO VR
DALPF IN
ADLPF IN
Pin name
DAINT IN
ADINT IN
MIX OUT
MIX IN
MUTE
GND
BIAS
V
CR
CC
BU9253FS
BU9253AS
BU9255FS
Ground
Echo level DC control
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
Mute control
Oscillator output
Symbol
V
CC
Symbol
Topr
Topr
Function
V
V
Pd
CC
IN
Min.
4.0
Typ.
– 0.3 ~ V
– 10 ~ + 70
– 55 ~ + 125
5.0
Limits
500
600
500
7
CC
1
2
1
Max.
5.5
+ 0.3
Pin No.
BU9253AS
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
BU9253AS / BU9253FS / BU9255FS
Unit
DALPF OUT
ADLPF OUT
DAINT OUT
ADINT OUT
V
ECHO VR
DALPF IN
ADLPF IN
DAINT IN
ADINT IN
Pin name
MIX OUT
Unit
mW
MIX IN
MUTE
BIAS
GND
V
V
N.C.
N.C.
C
C
V
CR
CC
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
Function