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PDF BA3836 Data sheet ( Hoja de datos )
| Número de pieza | BA3836 | |
| Descripción | Vocal fader IC | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Multimedia ICs
Vocal fader IC
BA3836
Realizes karaoke functionality by enabling you to erase only the vocals from commercially available music software.
•Applications
Mini-components, radio cassette players, car stereos,
karaoke sets
•Features
1) Vocal fader functions (erase vocals from commer-
cially available music software) all on one chip.
2) Has internal secondary active LPF to enable a high-
degree of vocal cancellation (synchronous rejection
ratio) while retaining the same feeling.
3) Three control pins for switching between 4 modes:
through, vocal fader, sound multiplexing, and mute.
4) Key controller input and internal switches.
5) Internal microphone amplifier.
6) Low noise and low distortion.
7) Few external components.
•Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Power supply voltage
Power dissipation
VCC Max.
Pd
18
1000∗1
Operating temperature
Topr
– 40 ~ + 85
Storage temperature
Tstg
– 55 ~ + 125
∗1 Reduced by 10mW for each increase in Ta of 1°C over 25°C when mounted.
Unit
V
mW
°C
°C
•Recommended operating conditions (Ta = 25°C)
Parameter
Symbol Min. Typ.
Power supply voltage
VCC 5.4 —
Max.
10
Unit
V
1
1 page  
Multimedia ICs
•Application example
POWER
AMP
BA3836
µ - COM
51k 51k 51k
1µ 1µ 1µ
0.22µ
0.047µ
10µ
16 15 14 13 12 11 10
9
12
34
5
67
8
1k 10µ
1µ
TAPE,CD
LD,etc.
Key-con
+
Fig.2
MICROPHONE
MICROPHONE
•Operation notes
(1) We guarantee the application circuit design, but rec-
ommend that you thoroughly check its characteristics in
actual use. If you change any of the external compo-
nent values, check both the static and transient charac-
teristics of the circuit, and allow sufficient margin in your
selections to take into account variations in the compo-
nents and ICs.
(2) The vocal fader works by canceling out the synchro-
nous component of the signal, leaving the low compo-
nents in place. Consequently, the vocal fader may not
be very effective with certain recordings.
(3) In cases where output DC differential can cause
noise when switching between modes, use a time con-
stant for the timing of control pin switching, or take
some other measure.
(4) Operating supply voltage may vary according to
ambient temperature. Using this IC outside the recom-
mended supply voltage range may result in increased
crosstalk or mute attenuation.
•External dimensions (Units: mm)
19.4 ± 0.3
16
9
1
2.54
8
7.62
0.5 ± 0.1
0.3 ± 0.1
0° ~ 15°
DIP16
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet BA3836.PDF ] | |
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