Datasheet > ADF4218LBRU-REEL7

ADF4218LBRU-REEL7

更新时间： 2024-11-04 14:47:39

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管
页数	文件大小	规格书
24页	265K
描述
IC PLL FREQUENCY SYNTHESIZER, 3000 MHz, PDSO20, MO-153AC, TSSOP-20, PLL or Frequency Synthesis Circuit

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Dual Low Power

Frequency Synthesizers

ADF4217L/ADF4218L/ADF4219L

FEATURES

GENERAL DESCRIPTION

Total I_DD: 7.1 mA

Bandwidth/RF 3.0 GHz

ADF4217L/ADF4218L, IF 1.1 GHz

ADF4219L, IF 1.0 GHz

2.6 V to 3.3 V Power Supply

1.8 V Logic Compatibility

Separate V_PAllows Extended Tuning Voltage

Selectable Dual Modulus Prescaler

Selectable Charge Pump Currents

Charge Pump Current Matching of 1%

3-Wire Serial Interface

The ADF4217L/ADF4218L/ADF4219L are low power dual

frequency synthesizers that can be used to implement local

oscillators in the up-conversion and down-conversion sections

of wireless receivers and transmitters. They can provide the LO

for both the RF and IF sections. They consist of a low noise

digital PFD (phase frequency detector), a precision charge pump,

programmable reference divider, programmable A and B counters,

and a dual modulus prescaler (P/P + 1). The A and B counters,

in conjunction with the dual modulus prescaler (P/P + 1),

implement an N divider (N = BP + A). In addition, the 14-bit

reference counter (R Counter) allows selectable REFIN fre-

quencies at the PFD input. A complete PLL (phase-locked

loop) can be implemented if the synthesizers are used with an

external loop filter and VCOs (voltage controlled oscillators).

Power-Down Mode

APPLICATIONS

Wireless Handsets (GSM, PCS, DCS, CDMA, WCDMA)

Base Stations for Wireless Radio (GSM, PCS, DCS, WCDMA)

Wireless LANs

Communications Test Equipment

Cable TV Tuners (CATV)

Control of all the on-chip registers is via a simple 3-wire interface

with 1.8 V compatibility. The devices operate with a power supply

ranging from 2.6 V to 3.3 V and can be powered down when

not in use.

FUNCTIONAL BLOCK DIAGRAM

ADF4219L ONLY

V 1

V 2

ADF4217L/

ADF4218L/

ADF4219L

N = BP + A

11(13)-BIT IF

B COUNTER

PHASE

COMPARATOR

CHARGE

PUMP

PRESCALER

6(5)-BIT IF

A COUNTER

ADF4217L

ADF4218L

ONLY

LOCK

DETECT

REF

BUFFER

14(15)-BIT IF

R COUNTER

OUTPUT

MUX

MUXOUT

CLOCK

DATA

22-BIT

DATA

SDOUT

14(15)-BIT RF

R COUNTER

LOCK

DETECT

N = BP + A

CHARGE

PUMP

11(13)-BIT RF

B COUNTER

PHASE

COMPARATOR

PRESCALER

6(5)-BIT RF

A COUNTER

DGND

AGND

DGND

AGND

FEATURES IN ( ) REFERTO ADF4219L

NC = NO CONNECT

REV. C

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective companies.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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与ADF4218LBRU-REEL7相关器件

型号	品牌	获取价格	描述	数据表
ADF4218LBRUZ	ROCHESTER	获取价格	PLL FREQUENCY SYNTHESIZER, 3000 MHz, PDSO20, MO-153AC, TSSOP-20
ADF4218LBRUZ-REEL	ADI	获取价格	Low Power dual RF/IF Integer-N PLL
ADF4218LBRUZ-REEL7	ADI	获取价格	Low Power dual RF/IF Integer-N PLL
ADF4219L	ETC	获取价格	ADF4217L/18L/19L: Dual Low Power Frequency Synthesizers Data Sheet (Rev. B. 7/02)
ADF4219L_15	ADI	获取价格	Dual Low Power Frequency Synthesizers
ADF4219LBCC	ADI	获取价格	Dual Low Power Frequency Synthesizers
ADF4219LBCC-REEL	ADI	获取价格	IC PLL FREQUENCY SYNTHESIZER, 2200 MHz, QCC24, MO-208, CSP-24, PLL or Frequency Synthesis
ADF4219LBCC-REEL7	ADI	获取价格	IC PLL FREQUENCY SYNTHESIZER, 2200 MHz, QCC24, MO-208, CSP-24, PLL or Frequency Synthesis
ADF4219LBRU	ADI	获取价格	Dual Low Power Frequency Synthesizers
ADF4219LBRU-REEL	ADI	获取价格	IC PLL FREQUENCY SYNTHESIZER, 2200 MHz, PDSO20, MO-153AC, TSSOP-20, PLL or Frequency Synth

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