CXA3025N Ver la hoja de datos (PDF) - Sony Semiconductor

Número de pieza

componentes Descripción

Fabricante

CXA3025N

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

Sony Semiconductor 

CXA3025N

Pin Description and Equivalent Circuit

Pin

No.

Symbol

Pin voltage

typ. (V)

1 IFIN1

During VHF reception

—

During UHF reception 1

—

Equivalent circuit

2

8k

8k

—

2 IFIN2

—

3 VCC

9.0

7.4

4 MIXOUT1

7.2

VCC

3

450

4

450

5

7.4

5 MIXOUT2

7.2

Description

IF amplifier inputs.

Power supply.

Mixer outputs.

3.2

8 VHFIN1

3.4

3.2

9 VHFIN2

3.4

10 NC

3.4

11 UHFIN1

3.2

3.4

12 UHFIN2

3.2

8

6k

11

6k

9

VHF inputs.

6k

Normally a capacitor is

connected at Pin 8 to GND and

Pin 9 is used for input.

No connected.

12

UHF inputs.

6k

Balanced input to Pins 11 and

12 or a capacitor is connected

at Pin 11 to GND and Pin 12 is

used for input.

3.3

13 VOSCB

3.5

6.3

15 VOSCC

9.0

14 NC

15

1k

3k

3 VCC

13

3k

VHF oscillators.

–2–

No connected.

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