Datasheet > SP5659

SP5659

更新时间： 2024-09-22 22:42:51

品牌	Logo	应用领域
MITEL		/
页数	文件大小	规格书
12页	147K
描述
2·7GHz I2C Bus Low Phase Noise Synthesiser

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SP5659 数据手册

SP5659

2·7GHz I²C Bus Low Phase Noise Synthesiser

Preliminary Information

Supersedes March 1996 version, DS4206-1.8

DS4296 - 2.0 June 1998

TheSP5659isasinglechipfrequencysynthesiserdesigned

for tuning systems up to 2·7GHz.

The RF preamplifier drives a divide-by two prescaler which

can be disabled for applications up to 2GHz, allowing direct

interfacing with the programmable divider, resulting in a step

size equal to the comparison frequency. For applications up

to 2·7GHz the divide-by two is enabled to give a step size of

twice the comparison frequency.

The comparison frequency is obtained either from an on-

chip crystal controlled oscillator or from an external source.

The oscillator frequency F_REFor the comparison frequency

F_COMPmay be switched to the REF/COMP output; this feature

is ideally suited to providing the reference frequency for a

second synthesiser such as in a double conversion tuner (see

Fig. 5).

CHARGE PUMP

CRYSTAL

REF/COMP

ADDRESS

SDA

DRIVE

RF INPUT

SP5659

SCL

ADC

PORT P3

PORT P2

PORT P0

PORT P1

MP16

The synthesiser is controlled via an I²C bus and responds

to one of four programmable addresses which are selected by

applying a specific voltage to the Address input. This feature

enables two or more synthesisers to be used in a system.

The SP5659 contains four switching ports, P0-P3 and a

5-level ADC, the output of which can be read via the I²C bus.

The SP5659 also contains a varactor line disable and

charge pump disable facility.

Fig. 1 Pin connections – top view

■ ESD Protection: 4kV, Mil-Std-883C, Method 3015 ⁽¹⁾

■ Pin Compatible with SP5658

(1) Normal ESD handling precautions should be observed.

FEATURES

■ Complete 2·7GHz Single Chip System

■ Optimised for Low Phase Noise

■ Selectable 42 prescaler

APPLICATIONS

■ Satellite TV

■ High IF Cable Tuning Systems

■ Selectable Reference Division Ratio

THERMAL DATA

u_JC= 41°C/W

u_JA= 111°C/W

■

Selectable Reference/Comparison Frequency Output

■ Selectable Charge Pump Current

■ Varactor Drive Amplifier Disable

■ 5-Level ADC

ORDERING INFORMATION

SP5659 KG/MP1S (Tubes)

SP5659 KG/MP1T (Tape and reel)

■ Variable I²C BUS Address for Multi-tuner Applications

12 3 4 5 6 7...12

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与SP5659相关器件

型号	品牌	获取价格	描述	数据表
SP5659/KG/MP1S	DYNEX	获取价格	PLL Frequency Synthesizer, BIPolar, PDSO16
SP5659/KG/MP1S	ZARLINK	获取价格	PLL Frequency Synthesizer, BIPolar, PDSO16, 0.150 INCH, PLASTIC, SOIC-16
SP5659/KG/MP1T	DYNEX	获取价格	PLL Frequency Synthesizer, BIPolar, PDSO16
SP5659/KG/MP1T	ZARLINK	获取价格	PLL Frequency Synthesizer, BIPolar, PDSO16, 0.150 INCH, PLASTIC, SOIC-16
SP5659/KG/MP2S	ZARLINK	获取价格	PLL Frequency Synthesizer, BIPolar, PDSO16, 0.150 INCH, PLASTIC, SOIC-16
SP5659/KG/MP2T	ZARLINK	获取价格	PLL Frequency Synthesizer, BIPolar, PDSO16, 0.150 INCH, PLASTIC, SOIC-16
SP5659KG	MITEL	获取价格	2·7GHz I2C Bus Low Phase Noise Synthesiser
SP5659KG/MP1S	MICROSEMI	获取价格	PLL Frequency Synthesizer, BIPolar, PDSO16, MINIATURE, PLASTIC, DIP-16
SP5659KGMP1T	MITEL	获取价格	2·7GHz I2C Bus Low Phase Noise Synthesiser
SP5659MP1S	MITEL	获取价格	2·7GHz I2C Bus Low Phase Noise Synthesiser

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