Datasheet > SP5668

SP5668

更新时间： 2024-11-22 22:42:51

品牌	Logo	应用领域
MITEL		/
页数	文件大小	规格书
12页	166K
描述
2.7GHz 3-Wire Bus Controlled Synthesiser

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SP5668 数据手册

SP5668

2.7GHz 3-Wire Bus Controlled Synthesiser

Preliminary Information

DS4538 - 1.6 January 1997

The SP5668 is a single chip frequency synthesiser

designed for tuning systems up to 2.7GHz.

The RF preamplifer contains a divide by two prescaler

whichcanbedisabledforapplicationsupto2GHzsoenabling

astepsizeequaltothecomparisonfrequencyupto2GHzand

twice the comparison frequency up to 2.7GHz.

Comparisonfrequenciesareobtainedeitherfromacrystal

controlled on–chip oscillator or from an external source.

The device contains three switching ports, P0 – P2,

together with an ’in–lock’ flag output. Various test modes

including varactor disable and charge pump disable are also

included.

CHARGE PUMP

DRIVE

V_EE

CAP Q1

CRYSTAL Q2

ENABLE

RF INPUT

V_CC

LOCK

REF

DATA

CLOCK

PORT P2

PORT P0/OC

PORT P1/OC

MP16

FEATURES

Fig. 1 Pin connections - top view

■ Complete 2.7GHz single chip system

■ Optimised for low phase noise

■ Selectable divide by two prescaler

■ Selectable reference division ratio

■ Charge pump disable

APPLICATIONS

■ Varactor line disable

■ SAT, TV, VCR and Cable tuning systems

■ Communications systems

■ ‘In–lock’ flag

■ Two selectable charge pump currents

■ Three switching ports

■ Reference frequency output

■ ESD protection (Normal ESD handling procedures

should be observed)

ORDERING INFORMATION

SP5668/KG/MP1S (Tubes,)

SP5668/KG/MP1T Tape and Reel)

12 3 4 5 6 7...12

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与SP5668相关器件

型号	品牌	获取价格	描述	数据表
SP5668/KG/MP1T	ZARLINK	获取价格	PLL Frequency Synthesizer, BIPolar, PDSO16, 0.150 INCH, MS-012-AC, SOIC-16
SP5668KG	MITEL	获取价格	2.7GHz 3-Wire Bus Controlled Synthesiser
SP5668KGMP1S	MITEL	获取价格	2.7GHz 3-Wire Bus Controlled Synthesiser
SP5668KGMP1T	MITEL	获取价格	2.7GHz 3-Wire Bus Controlled Synthesiser
SP5669	MITEL	获取价格	2.7GHz I2C Bus Controlled Synthesiser
SP5669/KG/MP1S	ZARLINK	获取价格	PLL Frequency Synthesizer, BIPolar, PDSO16, 0.150 INCH, MS-012AC, SOIC-16
SP5669/KG/MP1S	INTEL	获取价格	PLL Frequency Synthesizer, PDSO16, 0.150 INCH, SOIC-16
SP5669/KG/MP1T	INTEL	获取价格	PLL Frequency Synthesizer, PDSO16, 0.150 INCH, SOIC-16
SP5669/KG/MP2T	MICROSEMI	获取价格	PLL Frequency Synthesizer, PDSO16, 0.150 INCH, MS-012AC, SOIC-16
SP5669_97	MITEL	获取价格	2.7GHz I2C Bus Controlled Synthesiser