LX5211

更新时间： 2024-11-09 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	152K
描述
9-LINE LOW CAPACITANCE, レPOWER SCSI TERMINATOR

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LX5211 数据手册

LIN DOC #: 5211

LX5211

9-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 LX5211 is a nine-line active terminator

for the SCSI parallel bus. The SCSI standard

recommendsactiveterminationatbothends

of the SCSI bus.

consumes only 600µA of current, which is

the lowest enabled supply current of any

DISCONNECT

■ 500nA SUPPLY CURRENT IN DISCONNECT

terminator available on the market today.

Linfinity's proprietary BiCMOS low dropout

regulator architecture enables this unique

and very efficient operating characteristic.

The LX5211 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

the LX5211 sinks up to 30mA of current,

making it compatible with today's fast active

negation drivers.

MODE

During disconnect mode, the LX5211 re-

quires 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 low, thereby disconnecting the

terminatingresistorsandplacingtheinternal

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 yield

subsequent reliable, error-free communica-

tions.

■ 600µA SUPPLY CURRENT DURING NORMAL

OPERATION

■ 30mA SINK CURRENT FOR ACTIVE

NEGATION

■ LOGIC COMMAND DISCONNECTS ALL

TERMINATION LINES

■ CURRENT LIMIT AND THERMAL PROTECTION

■ COMPATIBLE WITH SCSI 1, 2, 3, AND ULTRA

SCSI STANDARDS

■ HOT SWAP COMPATIBLE

■ CONSULT FACTORY FOR APPLICATION TEST

REPORT: 5211TR

The LX5211 is a stable, pin-for-pin re-

placement for a variety of industry products,

such as the UCC5606.

■ EVALUATION BOARD AVAILABLE:

REQUEST LXE9005 EVALUATION KIT

During normal operation, the LX5211

IMPORTANT: For the most current data, consult LinFinity's web site: http://www.linfinity.com.

PRODUCT HIGHLIGHT

RECEIVING WAVEFORM - 20MHZ

DRIVING WAVEFORM - 20MHZ

Receiver

Driver

NOTE:

For An In-Depth

1 Meter, AWG 28

LX5211

Discussion On Applying

SCSI, Request Linfinity

Application Note:

LX5268

"Understanding The

Single-Ended SCSI Bus"

PACKAGE ORDER INFORMATION

Plastic TSSOP

24-pin, Power

Plastic SOIC

T_A(°C)

PWP

16-pin, Power

0 to 70

LX5211CPWP

LX5211CDP

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

Append the letter "T" to part number. (i.e. LX5211CDPT)

L I N F I N I T Y M I C R O E L E C T R O N I C S I N C .

11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570

Rev. 1.1 5/97

12 3 4

中文翻译

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与LX5211相关器件

型号	品牌	获取价格	描述	数据表
LX5211CDP	MICROSEMI	获取价格	9-LINE LOW CAPACITANCE, レPOWER SCSI TERMINATO
LX5211CDPT	MICROSEMI	获取价格	Terminator
LX5211CPWP	MICROSEMI	获取价格	9-LINE LOW CAPACITANCE, レPOWER SCSI TERMINATO
LX5211CPWPT	MICROSEMI	获取价格	Terminator
LX5212	MICROSEMI	获取价格	9-LINE LOW CAPACITANCE, レPOWER SCSI TERMINATO
LX5212CDP	MICROSEMI	获取价格	9-LINE LOW CAPACITANCE, レPOWER SCSI TERMINATO
LX5212CDPT	MICROSEMI	获取价格	Terminator
LX5212CN	MICROSEMI	获取价格	9-LINE LOW CAPACITANCE, レPOWER SCSI TERMINATO
LX5212CNT	MICROSEMI	获取价格	SCSI Terminator
LX5212CPWP	MICROSEMI	获取价格	9-LINE LOW CAPACITANCE, レPOWER SCSI TERMINATO

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