CXA3275Q Ver la hoja de datos (PDF) - Sony Semiconductor

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Fabricante

CXA3275Q

PLL/OSC/MIX IC for Digital Tuner

Sony Semiconductor 

CXA3275Q

Pin

No.

Symbol

Pin voltage

[V]

26 BS1

29 BS4

ON: 4.9

OFF: 0

Equivalent circuit

Vcc

19

20k

26

29

Description

Pin 26: Band switch 1 output.

Pin 29: Band switch 4 output.

The pin corresponding to the

band selected by the data

goes High.

19

27 BS2

ON: 4.9

27

OFF: 0

28

28 BS3

30 NC

—

31 PLLVcc

—

32 CP

31

—

33 VT

—

34 XI

3.1

35 XO

3.0

36 PLLGND

—

Vcc

20k

70k

30k

Pin 27: Band switch 2 output.

Pin 28: Band switch 3 output.

The pin corresponding to the

band selected by the data

goes High.

PLLVcc

32

33

50

NC.

PLL VCC.

Charge pump output.

Connects the loop filter.

Transistor open collector

output for varicap diode drive.

Connects the loop filter.

PLLVcc

31 External reference clock input.

Connects the crystal when

34 used as a reference oscillator.

500

35

Connects the crystal when

used as a reference oscillator.

PLL GND.

–5–

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