cxa2561q Sony Electronics, cxa2561q Datasheet - Page 6

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

No.
Pin
20
26
32
39
16
19
25
31
40
34
37
MSMODE
PBRIN2
PBRIN1
NRSW
DRSW
PBFB2
PBFB1
DIREF
GND
PBFIN2
PBFIN1
Symbol
Typical pin voltage
0.0V
when
open.
0.0V
when
open.
0.0V
4.0V
1.2V
4.0V
DC
–70dBm
–70dBm
AC
—
—
—
—
I/O
—
—
I
I
I
I
100k
100k
resis-
tance
I/O
—
—
—
—
– 6 –
20
16
19
39
32
34
37
25
100k
147
100k
150
Equivalent circuit
147
147
50p
(Ta = 25°C, V
150
50p
GND
Vcc
GND
Vcc
GND
GND
Vcc
Vcc
31
40
CC
Ground.
Playback equializer
amplifier feedback.
Playback equializer
amplifier input.
(REVERSE head
connected)
Playback equializer
amplifier input.
(FORWARD head
connected)
= 8.0V, DV
Dolby NR control.
Low (open):
High: NR ON
Head select control.
Low (open):
High: REVERSE
Music sensor mode
control.
Low (open): G1
High: G2
Resistance for
setting the reference
current.
(Connects 20k
between DIREF pin
and GND for the
standerd setting.)
Description
NR OFF
FORWARD
CC
CXA2561Q
= 5.0V)