CXA3125N datasheet(4/13 Pages) SONY

부품명	CXA3125N

상세설명	All Band TV Tuner IC (VHF-CATV-UHF)

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제조업체	SONY [Sony Corporation]

홈페이지	http://www.sony.co.jp

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CXA3125N

Symbol

Typical pin

Equivalent circuit

Description

No.

voltage (V)

10

12

14

13

15

16

IFSW

UOSC1

UOSC2

BSW

IFout2

IFout1

0.8

(when open)

3.2

3.0

3.2

3.0

—

During

symmetrical

output 3.0

During

asymmetrical

output 4.3

During

symmetrical

output 3.0

During

asymmetrical

output 2.5

Symmetrical/asymmetrical

selection of IF output.

Asymmetrical output is selected

for open state; symmetrical

output, for connecting to GND.

When used as an asymmetrical

output, connect to GND with a

capacitor.

External resonance circuit

connection for UHF oscillators.

Band switching.

UHF operation when 3 V or

more voltage is applied

externally, and VHF operation

when 0.5 V or less voltage is

applied.

IF outputs during symmetrical

output. The reverse phase

signal to Pin 16 is output

during symmetrical output.

When asymmetrical output is

selected, the signal is not

output.

IF outputs.

3k

1

VCC

12

14

VCC

1

13

22k

32k

40k

VCC

1

30k

10

400

20k

400

30k

VCC

1

15

VCC

1

16

15

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CXA3125N 데이터시트(PDF) 4 Page - Sony Corporation

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