Datasheet > ADF4212LBRU-REEL

ADF4212LBRU-REEL

更新时间： 2024-11-04 20:39:23

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
20页	361K
描述
IC PLL FREQUENCY SYNTHESIZER, 2400 MHz, PDSO20, MO-153AC, TSSOP-20, PLL or Frequency Synthesis Circuit

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ADF4212LBRU-REEL 数据手册

Dual Low Power PLL

Frequency Synthesizer

ADF4212L

FEATURES

GENERAL DESCRIPTION

I_DDTotal, 7.5 mA

The ADF4212L is a dual frequency synthesizer that can be used

to implement local oscillators (LO) in the up-conversion and

down-conversion sections of wireless receivers and transmitters.

It can provide the LO for both the RF and IF sections. It con-

sists of a low noise digital PFD (Phase Frequency Detector), a

precision charge pump, a programmable reference divider,

programmable A and B counters, and a dual modulus prescaler

(P/P + 1). The A (6-bit) and B (12-bit) 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 frequencies at the PFD

input. A complete PLL (Phase-Locked Loop) can be implemented

if the synthesizer is used with external loop filters and VCOs

(Voltage Controlled Oscillators).

Bandwidth RF/IF, 2.4 GHz/1.0 GHz

2.7 V to 3.3 V Power Supply

Separate VP Allows Extended Tuning Voltage

Programmable Dual Modulus Prescaler

RF and IF: 8/9, 16/17, 32/33, 64/65

Programmable Charge Pump Currents

3-Wire Serial Interface

Analog and Digital Lock Detect

Fastlock Mode

Power-Down Mode

20-Lead TSSOP and 20-Lead MLF Chip Scale Package

APPLICATIONS

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

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

CDMA, WCDMA)

Wireless LANS

Cable TV Tuners (CATV)

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

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

supply ranging from 2.7 V to 3.3 V and can be powered down

when not in use.

Communications Test Equipment

FUNCTIONAL BLOCK DIAGRAM

V 1

V 2

SET

ADF4212L

IF PHASE

FREQUENCY

DETECTOR

REFERENCE

12-BIT IF

B-COUNTER

CHARGE

PUMP

PRESCALER

6-BIT IF

A-COUNTER

IF CURRENT

SETTING

LOCK

IFCP3 IFCP2 IFCP1

DETECT

REF

OSCILLATOR

14-BIT IF

R-COUNTER

OUTPUT

MUX

MUXOUT

CLOCK

DATA

22-BIT

DATA

SDOUT

RFCP3 RFCP2 RFCP1

REFERENCE

14-BIT RF

R-COUNTER

LOCK

DETECT

12-BIT RF

B-COUNTER

CHARGE

PUMP

PRESCALER

RF PHASE

FREQUENCY

DETECTOR

REFERENCE

6-BIT RF

A-COUNTER

SET

FL SWITCH

DGND

AGND

DGND

AGND

REV. A

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

12 3 4 5 6 7...20

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与ADF4212LBRU-REEL相关器件

型号	品牌	获取价格	描述	数据表
ADF4212LBRU-REEL7	ADI	获取价格	IC PLL FREQUENCY SYNTHESIZER, 2400 MHz, PDSO20, MO-153AC, TSSOP-20, PLL or Frequency Synth
ADF4212LBRUZ	ADI	获取价格	Dual Power PLL Frequency Synthesizer
ADF4212LBRUZ-REEL	ADI	获取价格	IC PLL FREQUENCY SYNTHESIZER, 2400 MHz, PDSO20, MO-153AC, TSSOP-20, PLL or Frequency Synth
ADF4212LBRUZ-REEL7	ADI	获取价格	IC PLL FREQUENCY SYNTHESIZER, 2400 MHz, PDSO20, MO-153AC, TSSOP-20, PLL or Frequency Synth
ADF4212LBRUZ-RL	ADI	获取价格	Dual Power PLL Frequency Synthesizer
ADF4212LBRUZ-RL7	ADI	获取价格	Dual Power PLL Frequency Synthesizer
ADF4213	ADI	获取价格	Dual RF/IF PLL Frequency Synthesizers
ADF4213_15	ADI	获取价格	Dual RF/IF PLL Frequency Synthesizers
ADF4213BCP	ADI	获取价格	Dual RF/IF PLL Frequency Synthesizers
ADF4213BCP-REEL	ADI	获取价格	IC PLL FREQUENCY SYNTHESIZER, 3000 MHz, QCC20, CSP-20, PLL or Frequency Synthesis Circuit

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