CXD2951GL-4 Ver la hoja de datos (PDF) - Sony Semiconductor

Número de pieza

componentes Descripción

Fabricante

CXD2951GL-4

Single Chip GPS LSI

Sony Semiconductor 

Radio Pin Description

Pin

No.

Symbol

30 RADIOSUB

31 VDDPLL

32 VSSPLL

33 VDDCP

Standard

pin voltage

[V]

0

1.8

0

1.8

CXD2951GL-4

Equivalent circuit

VDDCP

IF2VCC

Description

Radio GND

PLL 1.8V

PLL GND

Charge pump

1.8V

34 LPFIF

0.8

34

1k

35 LPFRF

VSSCP

VDDCP

0.9

1k

35

39 VCODECAP

0.65

36 VSSCP

0

37 VDDVCO

1.8

38 VSSVCO

0

40 RFSUB

0

42 NRING

1.8

VSSCP

IF PLL loop filter

connection

5k

IF2GND

VDDVCO

IF1VCC

RF PLL loop filter

connection

1k

1k

VSSVCO

Capacitor

39 connection for

decoupling the

VCO bias circuit

Charge pump

GND

VCO 1.8V

VCO GND

RF GND

LNA 1.8V

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