CXA3627N データシートの表示（PDF） - Sony Semiconductor

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CXA3627N

All Band Tuner IC with On-chip PLL

Sony Semiconductor 

CXA3627N

Pin

No.

Symbol

Pin voltage

[V]

2.3 during

16

VOSCB1

VHF reception

2.5 during

UHF reception

7

4.0 during

18

VOSCC1

VHF reception

5.0 during

UHF reception

5k

4.0 during

17

VOSCC2

VHF reception

5.0 during

5k

UHF reception

2.3 during

19

VOSCB2

VHF reception

2.5 during

UHF reception

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

Equivalent circuit

19 18

20

17 16

20

7

3k

3k

—

70

Description

External resonance circuit

connection for VHF oscillator.

External resonance circuit

connection for UHF oscillator.

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.

Charge pump output.

Connects the loop filter.

27 REFOSC

4.4

7

100

27

30k

25p

Crystal connection for

reference oscillator.

38p

–6–

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