CXA3252N Datasheet, PDF (6/32 Pages) Sony Corporation – All Band TV Tuner IC with On-chip PLL

CXA3252N
Pin
No. ^Symbol
Pin Voltage
[V]
20 UOSCB1 ^{2.1 during UHF reception}
2.3 during VHF reception
23
1.4 during UHF reception
21 UOSCE1 _{1.8 during VHF reception}
22
21
1.4 during UHF reception
22 UOSCE2 _{1.8 during VHF reception} 20
23 UOSCB2 ^{2.1 during UHF reception}
2.3 during VHF reception
Equivalent circuit
3k
24 VCC2
—
25 GND2
—
—
—
9
Description
9
External resonance circuit
connection for UHF oscillator.
3k
PLL circuit power supply
PLL circuit GND.
26 IFOUT
2.7
26
I/F output.
27 NC
—
28 VT
—
29 CPO
2.0
30 REFOSC
4.3
—
24
29
28
70
24
60k
30p
30
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.
30p
Crystal connection for reference
oscillator.
31 VCC3
—
23
1.25
3
32 ADSW/CE _{(when open)}
—
150k
50k
5p
–6–
Power supply for external supply.
I²C bus setting :
Address selection.
Bits 1 and 2 of the address
byte are controlled.
3-wire bus setting :
Enable input.