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參數(shù)資料
| 型號(hào)： | LT1785CN8#PBF |
| 廠商： | Linear Technology |
| 文件頁(yè)數(shù)： | 3/16頁(yè) |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485/RS422 60V 8-DIP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 類型： | 收發(fā)器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS422，RS485 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 8-PDIP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁(yè)面： | 1354 (CN2011-ZH PDF) |
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LT1785/LT1785A/
LT1791/LT1791A
11
178591fc
APPLICATIONS INFORMATION
Slew Limiting for EMI Emissions Control
The LT1785/LT1791 feature controlled driver output slew
rates to control high frequency EMI emissions from equip-
ment and data cables. The slew limiting limits data rate
operation to 250kbaud. Slew limiting also mitigates the
adverse affects of imperfect transmission line termina-
tion caused by stubs or mismatched cable. In some low
speed, short distance networks, cable termination may
be eliminated completely with no adverse effect on data
transmission.
Data Network Cable Selection and Termination
Long distance data networks operating at high data trans-
mission rates should use high quality, low attenuation
cable with well-matched cable terminations. Short distance
networks at low data rates may use much less expensive
PVC cable. These cables have characteristic impedances
as low as 72Ω. The LT1785/LT1791 output drivers are
guaranteed to drive cables as low as 72Ω.
Figure 9. Full-Duplex RS422
5
4
3
2
A
B
Z
Y
12
11
10
9
RO
RE
DE
DI
178591 F09
TX
120Ω
5
4
3
2
Y
Z
B
A
9
10
11
12
RO
LT1791
RE
DE
DI
RX
TX
120Ω
RX
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1785CN8-TR | 制造商:LINER 制造商全稱:Linear Technology 功能描述:60V Fault Protected RS485/RS422 Transceivers |
| LT1785CN8-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:60V Fault Protected RS485/RS422 Transceivers |
| LT1785CS8 | 功能描述:IC TXRX RS485/RS422 60V 8-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
| LT1785CS8#PBF | 功能描述:IC TXRX RS485/RS422 60V 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:RS-232 & USB Transceiver 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 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:16-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
| LT1785CS8#PBF | 制造商:Linear Technology 功能描述:Bus Transceiver IC |
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