CXA2094Q
Pin
No.
Pin
voltage
Symbol
Equivalent circuit
Description
—
26
NC
—
26
VCC
7.5k
Variable de-emphasis
integrating pin.
(Connect a 2700pF capacitor
and a 3.3kΩ resistor in series
between this pin and GND.)
147
28 VE
4.0V
28
29
30
31
NC
NC
NC
—
—
—
—
—
—
29
30
31
Vcc
Weight the variable
de-emphasis control effective
value detection circuit.
(Connect a 0.047µF capacitor
and a 3kΩ resistor in series
between this pin and GND.)
2.9V
580
4V
32
32 VEWGT
4.0V
36k
147
580
30k
↓ 8µ
4k
↓ 50µ
8k
Vcc
Determine the restoration
time constant of the variable
de-emphasis control effective
value detection circuit.
(The specified restoration
time constant can be obtained
by connecting a 3.3µF
capacitor between this pin
and GND.)
33
× 4
× 4
VETC
1.7V
33
20k
↓ 7.5µ
4k
↓ 50µ
– 7 –
SONY [ SONY CORPORATION ]
