CXA3235N Ver la hoja de datos (PDF) - Sony Semiconductor

Número de pieza

componentes Descripción

Fabricante

CXA3235N

All Band TV Tuner IC with On-chip PLL

Sony Semiconductor 

CXA3235/3236N

Pin

Symbol

No.

12

MS

13 VHFin

14 UHFin1

15 UHFin2

16 VOSC1

18 VOSC2

17 GND

19 UOSCB1

20 UOSCE1

21 UOSCE2

22 UOSCB2

Equivalent circuit

VCC2

120k

Pin voltage

(V)

Description

Pin used for selecting a

frequency step mode.

1.5

Any of the five modes can be

(when open)

selected by applying an input

voltage.

50k

13

12

2.3

(VHF)

0

(UHF)

VHF input.

The input format is unbalanced

input.

14

15

3k

3k

8

8p

3k

18

600

3k

15p

16

50

19 20 21 22

3k

3k

VCC1

VCC1

—4—

0

(VHF)

2.3

(UHF)

0

(VHF)

2.3

(UHF)

3

(VHF)

3.1

(UHF)

3.5

(VHF)

5.0

(UHF)

—

3.2

(VHF)

2.9

(UHF)

—

(VHF)

2.4

(UHF)

—

(VHF)

2.4

(UHF)

3.2

(VHF)

2.9

(UHF)

UHF inputs.

The input method can be

selected from balanced input

or unbalanced input.

External resonance circuit

connection for VHF oscillator.

GND

External resonance circuit

connection for UHF oscillator.

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