LX5207

更新时间： 2024-11-07 22:46:51

品牌	Logo	应用领域
美高森美 - MICROSEMI		/
页数	文件大小	规格书
4页	143K
描述
18-LINE LOW CAPACITANCE, レPOWER SCSI TERMINATOR

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LX5207 数据手册

LIN DOC #: 5207

LX5207

18-LINE LOW CAPACITANCE, µPOWER SCSI TERMINATOR

T H E I N F I N I T E P O W E R O F I N N O V A T I O N

P R O D U C T I O N D A T A S H E E T

DESCRIPTION

KEY FEATURES

■ 2.5pF OUTPUT CAPACITANCE DURING

The LX5207 is an eighteen line active ter-

minator for the SCSI parallel bus. This SCSI

standard recommends active termination at

both ends of the SCSI bus.

the lowest enabled supply current of any

terminator available on the market today.

DISCONNECT

■ 500nA SUPPLY CURRENT IN DISCONNECT

Linfinity's proprietary BiCMOS low dropout

regulator architecture enables this unique

and very efficient operating characteristic.

The LX5207 also offers a precisely

trimmed channel output current specified

to a 5% tolerance. The maximum value

of the output current is trimmed as closely

as possible to the SCSI standard maximum

specification to give the highest possible

noise margin for fast SCSI operation. And

finally, the LX5207 sinks up to 100mA of

current making it compatible with today's

fast active negation drivers.

MODE

During disconnect mode, the LX5207

requires a meager 500nA of supply current

while offering only 2.5pF of output capaci-

tance. To enter this low power mode, the

disconnect pin can be left open (floating)

or driven high thereby disconnecting the

terminating resistors and placing the inter-

nal low dropout regulator into low power

mode. In disconnect mode each termina-

tion line presents a high impedance to the

SCSI bus with the overall effect being to

preserve high signal integrity and subse-

quent reliable, error free communications.

During normal operation, the LX5207

consumes only 800µA of current which is

■ 800µA SUPPLY CURRENT DURING NORMAL

OPERATION

■ 100mA SINK CURRENT FOR ACTIVE

NEGATION

■ LOGIC COMMAND DISCONNECTS ALL

TERMINATION LINES

■ CURRENT LIMIT AND THERMAL PROTEC-

TION

■ COMPATIBLE WITH SCSI 1, 2, 3, AND

FAST-20 STANDARDS

The LX5207 is a superior, pin-for-pin

replacement for a variety of industry prod-

ucts such as the UC5601, UC5602, UC5608,

and UC5609.

■ HOT SWAP COMPATIBLE

■ CONSULT FACTORY FOR APPLICATION

TEST REPORT: 5207TR

PRODUCT HIGHLIGHT

RECEIVING WAVEFORM - 20MHZ

DRIVING WAVEFORM - 20MHZ

Receiver

Driver

1 Meter, AWG 28

LX5207

NOTE:

For An In-Depth

LX5268

Discussion On Applying

SCSI, Request Linfinity

Application Note:

"Understanding The

Single-Ended SCSI Bus"

PACKAGE ORDER INFO

Plastic SOWB

28-pin, Power

T_A(°C)

DWP

0 to 70

LX5207CDWP

Note: All surface-mount packages are available in Tape & Reel.

Append the letter "T" to part number. (i.e. LX5207CDWPT)

F O R F U R T H E R I N F O R M AT I O N C A L L ( 7 1 4 ) 8 9 8 - 8 1 2 1

Rev. 1.5 3/98

11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841

12 3 4

中文翻译

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与LX5207相关器件

型号	品牌	获取价格	描述	数据表
LX5207CDWP	MICROSEMI	获取价格	18-LINE LOW CAPACITANCE, レPOWER SCSI TERMINAT
LX5207CDWPT	MICROSEMI	获取价格	Terminator
LX5207CN	ETC	获取价格	Terminator
LX5208	MICROSEMI	获取价格	18-LINE LOW CAPACITANCE, レPOWER SCSI TERMINAT
LX5208CDWP	MICROSEMI	获取价格	18-LINE LOW CAPACITANCE, レPOWER SCSI TERMINAT
LX5208CDWPT	MICROSEMI	获取价格	Terminator
LX5208CN	ETC	获取价格	Terminator
LX521	POLYFET	获取价格	SILICON GATE ENHANCEMENT MODE RF POWER LDMOS TRANSISTOR
LX-5210-16H1C20	MRV	获取价格	5210 Power Control Series
LX-5210-16H1L30	MRV	获取价格	5210 Power Control Series

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