Datasheet > SP5669

SP5669

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
15页	240K
描述
2.7GHz I2C Bus Controlled Synthesiser

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

SP5669 数据手册

SP5669

2.7GHz I²C Bus Controlled Synthesiser

Preliminary Information

DS4852 -

Issue 2.1

May 1999

Features

Ordering Information

●

Complete 2.7GHz single chip system

Compatible with UK DTT offset requirements

Optimised for low phase noise

Selectable divide by two prescaler

Selectable reference division ratio

Selectable reference/comparison frequency output

Selectable charge pump current

SP5669/KG/MP1S (Tubes)

SP5669/KG/MP1T (Tape and reel)

Four selectable I²C bus address

5–level ADC

Pin compatible with the SP5658 3–wire bus

controlled synthesiser and SP5659 I²C bus

synthesiser and SP5659 I²C bus synthesiser

ESD protection; (Normal ESD handling

procedures should be observed)

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

referencefrequencyforasecondsynthesisersuchasin

a double conversion tuner (see Fig. 8).

The synthesiser is controlled via an I ²C bus, and

respondstooneoffourprogrammableaddresseswhich

are selected by applying a specific voltage to the

‘address’ input. This feature enables two or more

synthesisers to be used in a system.

Applications

●

Complete 2.7GHz single chip system

Optimised for low phase noise

The device contains four switching ports P0–P3 and a

Description

5–level ADC. The output of the ADC can be read via the

I ²C

bus.

The SP5669 is a single chip frequency synthesiser

designed for tuning systems up to 2.7GHz and offers

step size compatible with DTT offset requirements.

The device also contains a varactor line disable and

chargepump disable facility.

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 so enabling a step size equal to the comparison

frequency. For applications up to 2.7GHz the divide by

two is enabled, giving a step size of twice the

comparison frequency.

12 3 4 5 6 7...15

中文翻译

下载PDF

与SP5669相关器件

型号	品牌	获取价格	描述	数据表
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
SP5669KG	MITEL	获取价格	2.7GHz I2C Bus Controlled Synthesiser
SP5669KGMP1S	MITEL	获取价格	2.7GHz I2C Bus Controlled Synthesiser
SP5669KGMP1T	MITEL	获取价格	2.7GHz I2C Bus Controlled Synthesiser
SP5670	APITECH	获取价格	Wide Band Low Power Amplifier, 20MHz Min, 250MHz Max, FP-4
SP572	ETC	获取价格	语音压扩电路