CXA3252N
Pin
No. Symbol
20 UOSCB1
21 UOSCE1
22 UOSCE2
Pin Voltage
[V]
2.1 during UHF reception
2.3 during VHF reception
1.4 during UHF reception
1.8 during VHF reception
1.4 during UHF reception
1.8 during VHF reception
Equivalent circuit
9
23
22
21
20
3k
3k
Description
External resonance circuit
connection for UHF oscillator.
23 UOSCB2
24
25
VCC2
GND2
2.1 during UHF reception
2.3 during VHF reception
—
—
9
—
—
PLL circuit power supply
PLL circuit GND.
26
IFOUT
2.7
26
I/F output.
27
NC
—
24
—
28
VT
—
29
28
70
29
CPO
2.0
Varicap drive voltage output.
This pin outputs the signal with
open collector, and this must
be connected to the tuning
power supply via the load.
Charge pump output.
Connects the loop filter.
24
60k
30p
30
30p
30 REFOSC
4.3
Crystal connection for reference
oscillator.
31
VCC3
—
23
150k
—
Power supply for external supply.
32 ADSW/CE
1.25
(when open)
3
50k
5p
I
2
C bus setting :
Address selection.
Bits 1 and 2 of the address
byte are controlled.
3-wire bus setting :
Enable input.
–6–
SONY [ SONY CORPORATION ]
