CXA2069Q
Pin
No.
Pin
Symbol
Equivalent circuit
Description
voltage
Outputs the S2-compatible DC
superimposed onto the COUT3 output.
The DC is superimposed by connecting
this pin to the COUT3 output via a
capacitor.
Control is performed by the I2C bus.
When 0 V is output, Q1 is ON and the
impedance is 5 kΩ.
VCC
4k
1k
Q1
36
36
DC_OUT
—
S2 protocol output impedance of
10 ±3 kΩ is realized by attaching
external resistance of 4.7 kΩ.
28k
DC_OUT (bus)
Output DC
4.5 V
0
1
2
3
0 V
1.9 V
4.5 V
VCC
100
55
46
TRAP1
TRAP2
55
46
3.8 V
Connects trap circuit for subcarrier.
1k
VCC
Audio signal output mute.
Mute OFF at 1.5 V or less
Mute ON at 2.5 V or more
Mute OFF when open.
147
72k
48
48
MUTE
—
28k
VCC
VCC
VCC
20k
147
Internal reference bias (VCC/2).
Connect to GND via a capacitor.
50
BIAS
4.5 V
50
20k
—7—
SONY [ SONY CORPORATION ]
