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Número de pieza
componentes Descripción
CXA2511AQ Ver la hoja de datos (PDF) - Sony Semiconductor
Número de pieza
componentes Descripción
Fabricante
CXA2511AQ
Dolby∗ B-C Type Noise Reduction System with Playback Equalizer Amplifier
Sony Semiconductor
CXA2511AQ Datasheet PDF : 21 Pages
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CXA2511AQ
Pin
No.
Symbol
Typical pin voltage
DC
AC
I/O
I/O
resistance
Equivalent circuit
Vcc
Description
20 MSMODE
0.0V
when
open
1.1k
—
I 100k
Ω
20
100k
25 DIREF
1.2V
—— —
147
25
28 GND
31 PBFB2
40 PBFB1
0.0V
—— —
4.0V –70dBm I
—
Music sensor
mode control
Low (open): G1
High: G2
DGND
GND
Vcc
Resistance for
setting the Dolby
NR reference
current
(Connects 20k
Ω
between DIREF
pin and GND for
the standard
setting.)
GND
Ground
Playback
equalizer amplifier
Vcc
feedback
32 PBRIN2
39 PBRIN1
34 PBFIN2
37 PBFIN1
4.0V –70dBm I
—
32
39
34
50p
36
PBREF
Playback
equalizer amplifier
31
input (REVERSE
50p 40
head connected)
PBREF
GND
Playback
equalizer amplifier
input (FORWARD
head connected)
–6–
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