CXA3067M
Pin Description and Equivalent Circuit
Pin
No.
Typical
Symbol
Equivalent circuit
Description
voltage (V)
DVCC
11
External clock input
and X’tal connection for
reference oscillator.
1
2
REFIN
3.4
4.0
1
2
500
X’tal connection for
reference oscillator.
XTAL
9
DGND
11
DVCC
The pin for channel selection.
The condition of pin 3 has
3 states.
20k
20k
2.5
3
FSET1
3
(OPEN)
Connect to 5 V source for “Hi”
selection and connect to GND for
“Low” selection and leave open.
9
DGND
DVCC
11
Reference frequency selection.
Connect to GND when reference
frequency is 14.3125 MHz or
14.31818 MHz and leave open
when reference frequency is
7.15625 MHz or 7.15909 MHz.
20k
30k
3.0
4
RDSW
4
(OPEN)
25k
9
DGND
DVCC
11
Charge pump output.
Connect to loop filter.
10k
100
5
6
CPLF
2.0
5
6
100
Connect to loop filter.
VT
0.3 to VCC
OSC tuning voltage output.
9
DGND
—3—
SONY [ SONY CORPORATION ]
