SP8854E datasheet, PDF - EEWORLD Datasheet

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SP8854E: DescriptionPLL FREQUENCY SYNTHESIZER, 2700 MHz, CQCC44; Categoryaccessories; File Size133KB，13 Pages; ManufacturerMitel; Websitehttps://www.mitel.com

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SP8854E Overview

PLL FREQUENCY SYNTHESIZER, 2700 MHz, CQCC44

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SP8854E

2·7GHz Parallel Load Professional Synthesiser

Preliminary Information

Supersedes January 1996 version, DS4238 - 1.2

DS4238 - 2.0 June 1998

The SP8854E is one of a family of parallel load synthesisers

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

and F

REF

outputs and the control sense of the loop.

DATA BIT 5

DATA BIT 6

DATA BIT 7

DATA BIT 8

DATA BIT 9

DATA BIT 10

DATA BIT 11

DATA BIT 12

DATA BIT 13

DATA BIT 14

DATA BIT 15

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

ABSOLUTE MAXIMUM RATINGS

Supply voltage

Operating temperature

Storage temperature

Prescaler and reference input voltage

Data inputs

Junction temperature

20·3V

16V

255°C

to1100°C

265°C

1150°C

2·5V p-p

10·3V

20·3V

1175°C

DATA BIT 4

DATA BIT 3

DATA BIT 2

DATA BIT 1

DATA BIT 0

0V (PRESCALER)

RF INPUT

(PRESCALER)

VEE

LOCK DETECT

1 44

SP8854E

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

C-LOCK DETECT

SET

CHARGE PUMP OUTPUT

CHARGE PUMP REF

REF

ENABLE

CONTROL DIRECTION

REF

REF OSC CAPACITOR

REF IN/CRYSTAL

HC44

and F

REF

outputs are reversed using the control

direction input, pin 23. The above diagram is correct

when pin 23 is high.

Fig. 1 Pin connections - top view

THERMAL DATA

ORDERING INFORMATION

SP8854E KG HCAR

Non-standard temperature range,

255°C

1100°C,

standard product screening

SP8854E IG HCAR

Industrial temperature range,

240°C

185°C,

standard product screening

= 5°C/W

= 53°C/W

ESD PROTECTION

1000V, human body model

SP8854E Related Products

	SP8854E	SP8854	SP8854EIGHCAR	SP8854EKGHCAR
Description	PLL FREQUENCY SYNTHESIZER, 2700 MHz, CQCC44	PLL FREQUENCY SYNTHESIZER, 2700 MHz, CQCC44	PLL FREQUENCY SYNTHESIZER, 2700 MHz, CQCC44	PLL FREQUENCY SYNTHESIZER, 2700 MHz, QCC44

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