CXD2951GA-2 Просмотр технического описания (PDF) - Sony Semiconductor

Номер в каталоге

Компоненты Описание

производитель

CXD2951GA-2

Single Chip GPS LSI

Sony Semiconductor 

Radio Pin Description

Pin

No.

Symbol

Standard

pin voltage

[V]

30 RADIOSUB

0

31 VDDPLL

1.8

32 VSSPLL

0

33 VDDCP

1.8

Equivalent circuit

VDDCP

IF2VCC

CXD2951GA-2

Description

Radio GND

PLL 1.8V

PLL GND

Charge pump 1.8V

34 LPFIF

0.8

34

1k

35 LPFRF

VDDCP

VSSCP

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

IF1VCC

39 Capacitor connection

for decoupling the

VCO bias circuit

Charge pump GND

VCO 1.8V

VCO GND

RF GND

LNA 1.8V

43 RFRREF

0.1

43

250

IF1GND

– 10 –

External resistor

connection

(LNA, RF mixer bias)

Share Link: