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LX5202

更新时间: 2024-11-07 22:30:55
品牌 Logo 应用领域
美高森美 - MICROSEMI /
页数 文件大小 规格书
4页 150K
描述
18-LINE, レ POWER SCSI TERMINATOR

LX5202 数据手册

 浏览型号LX5202的Datasheet PDF文件第2页浏览型号LX5202的Datasheet PDF文件第3页浏览型号LX5202的Datasheet PDF文件第4页 
LIN DOC #: 5202  
LX5202  
18-LI N E , µPO W E R SCSI TE R M I N AT O R  
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  
6pF OUTPUT CAPACITANCE DURING  
The LX5202 is an eighteen-line active termi-  
nator for the SCSI parallel bus. This SCSI  
standard recommends active termination at  
both ends of the SCSI bus.  
sumes only 800µA of current, which is the  
lowest enabled supply current of any termi-  
DISCONNECT  
60µA SUPPLY CURRENT IN DISCON-  
nator available on the market today.  
Linfinity's proprietary BiCMOS low dropout  
regulator architecture enables this unique  
and very efficient operating characteristic.  
The LX5202 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 LX5202 sinks  
up to 200mA of current making it compatible  
with today's fast active negation drivers.  
The LX5202 is a superior, pin-for-pin re-  
placement for a variety of industry products  
such as the UC5601 and UC5602.  
NECT MODE  
During disconnect mode, the LX5202 re-  
quires a meager 60µA of supply current while  
offering only 6pF of output capacitance. To  
enter this low-power mode, the disconnect  
pin can be left open (floating) or driven high,  
thereby disconnecting the terminating resis-  
tors and placing the internal low dropout  
regulator into low-power mode. In discon-  
nect mode, each termination 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 communications.  
800µA SUPPLY CURRENT DURING  
NORMAL OPERATION  
200mA SINK CURRENT FOR ACTIVE  
NEGATION  
LOGIC COMMAND DISCONNECTS ALL  
TERMINATION LINES  
CURRENT LIMIT AND THERMAL  
PROTECTION  
COMPATIBLE WITH SCSI 1, 2 AND 3  
STANDARDS  
CONSULT FACTORY FOR APPLICATION  
TEST REPORT: 5202TR  
During normal operation, the LX5202 con-  
IMPORTANT: For the most current data, consult LinFinity's web site: http://www.linfinity.com.  
PRODUCT HIGHLIGHT  
RECEIVING WAVEFORM - 5MHZ  
DRIVING WAVEFORM - 5MHZ  
Receiver  
Driver  
1 Meter, AWG 28  
LX5202  
LX5202  
NOTE:  
For An In-Depth  
LX5268  
LX5268  
Discussion On Applying  
SCSI, Request Linfinity  
Application Note:  
"Understanding The  
Single-Ended SCSI Bus"  
PACKAGE ORDER INFO  
Plastic SOWB  
28-pin, Power  
TA (°C)  
DWP  
0 to 70  
LX5202CDWP  
Note: All surface-mount packages are available in Tape & Reel.  
Append the letter "T" to part number. (i.e. LX5202CDWPT)  
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  
Copyright © 1998  
Rev. 1.9 3/98  
1

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