Datasheet > SP8854

SP8854

更新时间： 2024-09-22 22:50:11

品牌	Logo	应用领域
MITEL		/
页数	文件大小	规格书
13页	178K
描述
2·7GHz Parallel Load Professional Synthesiser

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SP8854 数据手册

SP8854E

2·7GHz Parallel Load Professional Synthesiser

Preliminary Information

Supersedes January 1996 version, DS4238 - 1.2

DS4238 - 2.0 June 1998

TheSP8854Eisoneofafamilyofparallelloadsynthesisers

containing all the elements apart from the loop amplifier to

fabricate a PLL synthesis loop. Other parts in the series are

the SP8852E which is fully programmable, requiring tw0 16-

bit words to set the RF and reference counters and the

SP8855E which is fully programmable using hard wired links

or switches.

The SP8854E is programmed using a 16-bit parallel data

bus. Data is stored in an internal buffer. The 10-bit program-

mable reference divider is programmed by connecting the 10

programming pins either to ground or 15V. The device can

therefore be programmed with a single transfer from the

control microprocessor. Hard wired inputs can also control

the F_PDand F_REFoutputs and the control sense of the loop.

DATA BIT 4

DATA BIT 3

DATA BIT 2

DATA BIT 1

DATA BIT 0

STROBE

REF DIV BIT 0

REF DIV BIT 1

REF DIV BIT 2

REF DIV BIT 3

REF DIV BIT 4

REF DIV BIT 5

REF DIV BIT 6

REF DIV BIT 7

REF DIV BIT 8

REF DIV BIT 9

0V (PRESCALER)

RF INPUT

SP8854E

RF INPUT

(PRESCALER)

LOCK DETECT

FEATURES

■ 2·7 GHz Operating Frequency

■ Single 5V Supply

■ Low Power Consumption <1·3W

■ High Comparison Frequency : 20MHz

■ High Gain Phase Detector : 1mA/rad

■ Zero ‘Dead Band’ Phase Detector

■ Wide Range of RF and Reference Division Ratios

■ Programming by Single Word Data Transfer

HC44

*F_PDand F_REFoutputs are reversed using the control

direction input, pin 23. The above diagram is correct

when pin 23 is high.

ABSOLUTE MAXIMUM RATINGS

Supply voltage

20·3V to 16V

255°C to1100°C

265°C to 1150°C

2·5V p-p

Operating temperature

Storage temperature

Prescaler and reference input voltage

Data inputs

Fig. 1 Pin connections - top view

V_CC10·3V

_EE20·3V

Junction temperature

1175°C

THERMAL DATA

u_JC= 5°C/W

u_JA= 53°C/W

ORDERING INFORMATION

SP8854E KG HCAR Non-standard temperature range,

255°C to 1100°C, standard product screening

ESD PROTECTION

SP8854E IG HCAR Industrial temperature range,

240°C to 185°C, standard product screening

1000V, human body model

12 3 4 5 6 7...13

中文翻译

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与SP8854相关器件

型号	品牌	获取价格	描述	数据表
SP8854D	ZARLINK	获取价格	1.7GHz PARALLEL LOAD PROFESSIONAL SYNTHESISER
SP8854DIGHCAR	ZARLINK	获取价格	1.7GHz PARALLEL LOAD PROFESSIONAL SYNTHESISER
SP8854DKGHCAR	ZARLINK	获取价格	1.7GHz PARALLEL LOAD PROFESSIONAL SYNTHESISER
SP8854E	MITEL	获取价格	2·7GHz Parallel Load Professional Synthesiser
SP8854E	ZARLINK	获取价格	2.7GHz Parallel Load Professional Synthesiser
SP8854EIGHCAR	ZARLINK	获取价格	2.7GHz Parallel Load Professional Synthesiser
SP8854EIGHCAR	MITEL	获取价格	2·7GHz Parallel Load Professional Synthesiser
SP8854EIGHCAR	MICROSEMI	获取价格	PLL Frequency Synthesizer, BIPolar, CQCC44, CERAMIC, LCC-44
SP8854EKGHCAR	MITEL	获取价格	2·7GHz Parallel Load Professional Synthesiser
SP8854EKGHCAR	MICROSEMI	获取价格	PLL Frequency Synthesizer, BIPolar, CQCC44, CERAMIC, LCC-44

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