參數(shù)資料
型號: LTC1518CS#TRPBF
廠商: Linear Technology
文件頁數(shù): 2/12頁
文件大?。?/td> 0K
描述: IC LINE RCVR RS485 QUAD 16-SOIC
標(biāo)準(zhǔn)包裝: 2,500
類型: 線路接收器
驅(qū)動器/接收器數(shù): 0/4
規(guī)程: RS422,RS485
電源電壓: 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC
包裝: 帶卷 (TR)
10
LTC1518/LTC1519
Figure 9 shows a trace with 100ft category 5 UTP between
an LTC1685 driver and an LTC1518 receiver. Notice that at
the far end of the cable, the signal to the LTC1518 input has
been reduced. Figure 10 shows a 52Mbps square wave.
Output Short-Circuit Protection
The LTC1518/LTC1519 employ voltage sensing short-
circuit protection at the output terminals. For a given input
differential, this circuitry determines what the correct
output level should be. For example, if the input differential
is
≥ 300mV, it expects the output to be a logic high. If the
output is subsequently shorted to a voltage below VDD/2,
this circuitry shuts off the output devices and turns on a
smaller device in its place. A timeout period of about 50ns
is used in order to maintain normal high frequency opera-
tion, even under heavy capacitive loads (>100mA tran-
sient current into the load).
Figure 9. 20ns Pulse Propagating Down 100ft of Category 5 UTP
Figure 10. 52Mbps Pulse Train Over 100ft of Category 5 UTP
APPLICATIO S I FOR ATIO
WU
UU
50ns/DIV
LTC1518/19 F09
2V/DIV
5V/DIV
DRIVER
INPUT
RECEIVER
INPUT
RECEIVER
OUTPUT
CABLE
DELAY
NOTES:
TOP TRACE: LTC1685 DRIVER INPUT
MID TRACE: LTC1518 INPUT AT FAR END
OF 100ft CATAGORY 5 UTP
BOTTOM TRACE: LTC1518 OUTPUT
20ns/DIV
LTC1518/19 F10
1V/DIV
5V/DIV
RECEIVER
INPUT
RECEIVER
OUTPUT
NOTES:
TOP TRACE: LTC1518 INPUT AT FAR END
OF 100ft CAT 5 UTP
BOTTOM TRACE: LTC1518 OUTPUT
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LTC1518IS#PBF 功能描述:IC LINE RCVR RS485 QUAD 16-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器,接收器,收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:線路收發(fā)器 驅(qū)動器/接收器數(shù):5/3 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC(0.295",7.50mm 寬) 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:Digi-Reel® 產(chǎn)品目錄頁面:918 (CN2011-ZH PDF) 其它名稱:296-25096-6
LTC1518IS#TR 功能描述:IC LINE RCVR RS485 QUAD 16-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器,接收器,收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232,RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC(0.295",7.50mm 寬) 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件
LTC1518IS#TRPBF 功能描述:IC LINE RCVR RS485 QUAD 16-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器,接收器,收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232,RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC(0.295",7.50mm 寬) 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件
LTC1519CS 功能描述:IC LINE RCVR RS485 QUAD 16-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器,接收器,收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232,RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC(0.295",7.50mm 寬) 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件