CXA3555N View Datasheet(PDF) - Sony Semiconductor

Part Name

Description

Manufacturer

CXA3555N

All Band Tuner IC with On-chip PLL

Sony Semiconductor 

CXA3555N

Pin

No.

Symbol

Pin voltage

[V]

7

16 VLOSC1

0.0

50k

18 VLOSC2

Equivalent circuit

16

33

18

33

Description

External resonance circuit

connection for VL oscillator.

50k

17 VHOSC1

0.0

19 VHOSC2

17

7

20

50k

19

20

External resonance circuit

connection for VH oscillator.

50k

2.4 during

20

UOSCB1

VHF reception

2.2 during

UHF reception

2.0 during

23

21

UOSCE1

VHF reception

1.5 during

UHF reception

22

21

2.0 during

20

22

UOSCE2

VHF reception

1.5 during

UHF reception

2.4 during

23

UOSCB2

VHF reception

2.2 during

UHF reception

24 GND2

—

25 VT

7

—

26

25

26 CPO

2.0

7

External resonance circuit

connection for UHF oscillator.

3k

3k

PLL circuit GND.

Varicap drive voltage output.

This pin outputs the signal in

open collector format, and it

must be connected to the

tuning power supply via a load.

70

Charge pump output.

Connects the loop filter.

–6–

Share Link: