CXA2089Q/S
Pin
No.
Pin
voltage
Symbol
Equivalent circuit
Description
VCC
I2C bus signal input
VILmax = 1.5V
VIHmin = 3.0V
4k
26 (32)
—
SCL
26
10k
VCC
I2C bus signal input
VILmax = 1.5V
VIHmin = 3.0V
4k
—
27 (33) SDA
27
VOLmax = 0.4V
Outputs the S2-compatible DC
superimposed onto the COUT2
output. The DC is superimposed by
connecting this pin to the COUT2
output via a capacitor.
VCC
Control is performed by the I2C bus.
When 0V is output, Q1 is ON and
the impedance is 5kΩ.
4k
1k
Q1
DC OUT
—
28 (34)
28
S2 protocol output DC impedance of
10 ± 3kΩ is realized by attaching
external resistance of 4.7kΩ.
28k
DC OUT (bus)
Output DC
4.5V
0
1
2
3
0V
1.9V
4.5V
VCC
100
1k
42
42 (48)
TRAP1
3.8V
Connects trap circuit for subcarrier.
VCC
Audio signal output mute.
Mute OFF at 1.5V or less
Mute ON at 2.5V or more
Mute OFF when open
147 72k
28k
35 (41) MUTE
—
35
VCC
VCC
VCC
Internal reference bias (Vcc/2).
Connects to GND via a capacitor.
20k
20k
147
BIAS
4.5V
37 (43)
37
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SONY [ SONY CORPORATION ]
