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ADF4154BCPZ

更新时间： 2024-11-30 12:33:55

品牌	Logo	应用领域
亚德诺 - ADI		信号电路锁相环或频率合成电路
页数	文件大小	规格书
24页	370K
描述
Fractional-N Frequency Synthesizer

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ADF4154BCPZ 数据手册

Fractional-N Frequency Synthesizer

Data Sheet

ADF4154

FEATURES

GENERAL DESCRIPTION

RF bandwidth to 4 GHz

2.7 V to 3.3 V power supply

Separate V_Pallows extended tuning voltage

Programmable dual-modulus prescaler 4/5, 8/9

Programmable charge pump currents

3-wire serial interface

The ADF4154 is a fractional-N frequency synthesizer that

implements local oscillators in the up conversion and down

conversion sections of wireless receivers and transmitters. It

consists of a low noise digital phase frequency detector (PFD),

a precision charge pump, and a programmable reference divider.

There is a Σ-Δ based fractional interpolator to allow programmable

fractional-N division. The INT, FRAC, and MOD registers define

an overall N-divider (N = (INT + (FRAC/MOD))). In addition,

the 4-bit reference counter (R-counter) allows selectable REF_IN

frequencies at the PFD input. A complete phase-locked loop (PLL)

can be implemented if the synthesizer is used with an external

loop filter and a voltage-controlled oscillator (VCO).

Digital lock detect

Power-down mode

Pin compatible with the ADF4110/ADF4111/

ADF4112/ADF4113, ADF4106, ADF4153

Programmable modulus on fractional-N synthesizer

Trade-off noise vs. spurious performance

Fast-lock mode with built-in timer

Loop filter design possible with ADIsimPLL™

A key feature of the ADF4154 is the fast-lock mode with a built-

in timer. The user can program a predetermined countdown

time value so that the PLL remains in wide bandwidth mode,

instead of the user having to control this time externally.

APPLICATIONS

Base stations for mobile radio (WiMAX, PHS, GSM, PCS, DCS,

CDMA, PMR, W-CDMA, supercell 3G)

Wireless handsets (PMR, GSM, PCS, DCS, CDMA, WCDMA)

CATV equipment

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

The device operates with a power supply ranging from 2.7 V to

3.3 V and can be powered down when not in use.

Wireless LANs

Communications test equipment

FUNCTIONAL BLOCK DIAGRAM

SDV

SET

ADF4154

REFERENCE

4-BIT

R COUNTER

PHASE

×2

REF

CHARGE

PUMP

FREQUENCY

DETECTOR

–

DOUBLER

HIGH Z

DGND

LOCK

DETECT

CURRENT

SETTING

OUTPUT

MUX

MUXOUT

FAST-LOCK

SWITCH

RFCP3 RFCP2 RFCP1

DIV

N COUNTER

THIRD ORDER

FRACTIONAL

INTERPOLATOR

FRACTION

REG

MODULUS

REG

INTEGER REG

CLOCK

DATA

24-BIT

DATA

AGND

DGND

CPGND

Figure 1.

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, 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.

Tel: 781.329.4700 www.analog.com

12 3 4 5 6 7...24

中文翻译

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ADF4154BCPZ 替代型号

型号	品牌	替代类型	描述	数据表
ADF4153BCPZ	ADI	完全替代	Fractional-N Frequency Synthesizer
ADF4106BCPZ	ADI	类似代替	PLL Frequency Synthesizer
ADF4156BCPZ	ADI	类似代替	6 GHz Fractional-N Frequency Synthesizer

与ADF4154BCPZ相关器件

型号	品牌	获取价格	描述	数据表
ADF4154BCPZ-REEL7	ADI	获取价格	IC PLL FREQUENCY SYNTHESIZER, 4000 MHz, QCC20, 4 X 4 MM, MO-220VGGD-1, LFCSP-20, PLL or Fr
ADF4154BCPZ-RL	ADI	获取价格	Fractional-N Frequency Synthesizer
ADF4154BCPZ-RL7	ADI	获取价格	Fractional-N Frequency Synthesizer
ADF4154BRU	ADI	获取价格	Fractional-N Frequency Synthesizer
ADF4154BRU-REEL	ADI	获取价格	Fractional-N Frequency Synthesizer
ADF4154BRU-REEL7	ADI	获取价格	Fractional-N Frequency Synthesizer
ADF4154BRUZ	ADI	获取价格	Fractional-N Frequency Synthesizer
ADF4154BRUZ-REEL7	ADI	获取价格	IC PLL FREQUENCY SYNTHESIZER, 4000 MHz, PDSO16, MO-153AB, TSSOP-16, PLL or Frequency Synth
ADF4154BRUZ-RL	ADI	获取价格	Fractional-N Frequency Synthesizer
ADF4154BRUZ-RL7	ADI	获取价格	Fractional-N Frequency Synthesizer

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