Datasheet > ADF4212LBRUZ

ADF4212LBRUZ

更新时间： 2024-11-04 20:00:03

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
29页	448K
描述
Dual Power PLL Frequency Synthesizer

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ADF4212LBRUZ 数据手册

Dual Low Power PLL

Frequency Synthesizer

ADF4212L

Data Sheet

FEATURES

GENERAL DESCRIPTION

I_DDtotal: 7.5 mA

Bandwidth RF/IF: 2.4 GHz/1.0 GHz

2.7 V to 3.3 V power supply

Separate V_Pallows 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

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 consists

of a low noise digital phase frequency detector (PFD), 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 15-bit reference counter (R counter) allows

selectable REF_INfrequencies at the PFD input. A complete phase-

locked loop (PLL) can be implemented if the synthesizer is used

with external loop filters and voltage controlled oscillators (VCOs).

Analog and digital lock detect

Fastlock mode

Power-down mode

20-lead TSSOP and 20-lead LFCSP packages

APPLICATIONS

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 2.7 V to 3.3 V and can be powered

down when not in use.

Wireless handsets (GSM, PCS, DCS, DSC1800, CDMA,

WCDMA)

Base stations for wireless Radio (GSM, PCS, DCS,

CDMA, WCDMA)

Wireless LANS

Cable TV tuners (CATV)

Communications test equipment

FUNCTIONAL BLOCK DIAGRAM

SET

ADF4212L

IF PHASE

FREQUENCY

DETECTOR

REFERENCE

12-BIT IF

B-COUNTER

CHARGE

PUMP

PRESCALER

6-BIT IF

A-COUNTER

IF CURRENT

SETTING

LOCK

DETECT

IFCP3 IFCP2 IFCP1

REF

OSCILLATOR

15-BIT IF

R-COUNTER

OUTPUT

MUX

MUXOUT

CLK

22-BIT

DATA

SDOUT

RFCP3 RFCP2 RFCP1

REFERENCE

15-BIT RF

R-COUNTER

LOCK

DETECT

CHARGE

PUMP

12-BIT RF

B-COUNTER

RF PHASE

FREQUENCY

DETECTOR

PRESCALER

REFERENCE

6-BIT RF

A-COUNTER

SET

FL SWITCH

DGND

AGND

DGND

AGND

Figure 1.

Rev. E

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. 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 owners.

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

Technical Support

www.analog.com

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ADF4212LBRUZ 替代型号

型号	品牌	替代类型	描述	数据表
ADF4216BRUZ	ADI	完全替代	IC PLL FREQUENCY SYNTHESIZER, 1200 MHz, PDSO20, TSSOP-20, PLL or Frequency Synthesis Circu
ADF4216BRU	ADI	完全替代	Dual RF PLL Frequency Synthesizers
ADF4213BRU	ADI	完全替代	Dual RF/IF PLL Frequency Synthesizers

与ADF4212LBRUZ相关器件

型号	品牌	获取价格	描述	数据表
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
ADF4213BCP-REEL7	ADI	获取价格	IC PLL FREQUENCY SYNTHESIZER, 3000 MHz, QCC20, CSP-20, PLL or Frequency Synthesis Circuit
ADF4213BCPZ	ADI	获取价格	IC PLL FREQUENCY SYNTHESIZER, 3000 MHz, QCC20, CSP-20, PLL or Frequency Synthesis Circuit

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