CXA3003R datasheet(10/32 Pages) SONY

部品番号	CXA3003R

部品情報	Baseband analog processing IC for dual-mode CDMA/FM cellular phone

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メーカー	SONY [Sony Corporation]

ホームページ	http://www.sony.co.jp

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10 / 32 page

—10—

CXA3003R

No.

77

78

79

80

Symbol

SLEEPB,

IDLEB,

FMB

RXVCOOUT

Typical

Voltage (V)

DC

AC

0 V

Equivalent circuit

GND ADC

78

77

79

VDD ADC

150

80

VDD RXIF

GND RXIF

Description

Test mode switch pins.

These pins control this IC

function mode (∗1).

Receive VCO output pin

connected the external PLL IC.

∗1 Function Mode

Function Mode

CDMA RXTX

CDMA Idle

CDMA Sleep

FM RXTX

FM Idle

FM Idle (Transition)

FM RXTX (Transition)

CDMA Sleep (Transition)

FMB

high

low

high

IDLEB

high

low

high

low

high

SLEEPB

high

low

high

low

Mode functions explain:

1. CDMA RXTX :

This mode requires everything except the FM-

specific circuits to be operating.

2. CDMA Idle

:

This mode powers down all transmit circuits

and FM receive.

3. CDMA Sleep :

This mode powers down everything except

the TCXO divider and TCXO/4 output driver.

4. FM RXTX

:

This mode powers down all CDMA-specific

circuits except the CHIPx8 synthesizer.

5. FM Idle

:

This mode powers down all transmit and

CDMA Receive circuits.

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