cxa2511aq Sony Electronics, cxa2511aq Datasheet - Page 6

• Manufacturer Part Number: cxa2511aq
• Description: Dolby B-c Type Noise Reduction System With Playback Equalizer Amplifier
• Manufacturer: Sony Electronics

Pin
No.
20
25
28
31
40
32
39
34
37
MSMODE
DIREF
GND
PBFB2
PBFB1
PBRIN2
PBRIN1
PBFIN2
PBFIN1
Symbol
Typical pin voltage
0.0V
when
open
1.2V
0.0V
4.0V
4.0V
DC
–70dBm
–70dBm
AC
—
—
—
I/O
—
—
I
I
I
I/O
resistance
100k
—
—
—
—
– 6 –
20
32
39
34
36
25
100k
1.1k
Equivalent circuit
PBREF
147
50p
PBREF
GND
Vcc
50p
GND
Vcc
GND
DGND
Vcc
40
31
Music sensor
mode control
Low (open): G1
High: G2
Resistance for
setting the Dolby
NR reference
current
(Connects 20k
between DIREF
pin and GND for
the standard
setting.)
Ground
Playback
equalizer amplifier
feedback
Playback
equalizer amplifier
input (REVERSE
head connected)
Playback
equalizer amplifier
input (FORWARD
head connected)
Description
CXA2511AQ