cxa2561q Sony Electronics, cxa2561q Datasheet - Page 5

• Manufacturer Part Number: cxa2561q
• Description: Dolby B-c Type Noise Reduction System With Playback Equalizer Amplifier
• Manufacturer: Sony Electronics

No.
Pin
11
12
13
14
15
17
18
21
G2FB
G1FB
MSTC
MSOUT
NRMODE
MUTESW
TAPESW
MSSW
Symbol
Typical pin voltage
0.2V
when a
signal is
detected;
DVcc
when no
signal is
detected.
0.0V
when
open.
4.0V
DC
—
AC
—
—
—
—
I/O
—
—
O
I
100k
resis-
tance
I/O
—
—
—
– 5 –
12
11
17
15
18
21
13
14
147
Equivalent circuit
100k
147
147
853
(Ta = 25°C, V
10k
500
500
GND
Vcc
GND
GND
Vcc
GND
Vcc
Vcc
CC
= 8.0V, DV
Time constant for
detecting the music
signal interval.
Music sensor
output.
Dolby NR mode
control.
Low (open):
High: Dolby C NR
Mute function
control.
Low (open):
High: Mute ON
Playback equalizer
amplifier control.
Low (open): 70µs
High: 120µs
Music sensor
control.
Low (open): MS ON
High: MS OFF
Music signal interval
detection level
setting.
Description
Mute OFF
Dolby B NR
CC
CXA2561Q
= 5.0V)