- 您現(xiàn)在的位置：買(mǎi)賣(mài)IC網(wǎng) > PDF目錄377779 > LTC485IN8 (LINEAR TECHNOLOGY CORP) Low Power RS485 Interface Transceiver PDF資料下載
參數(shù)資料
| 型號(hào)： | LTC485IN8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類(lèi)： | 通用總線功能 |
| 英文描述： | Low Power RS485 Interface Transceiver |
| 中文描述： | LINE TRANSCEIVER, PDIP8 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-8 |
| 文件頁(yè)數(shù)： | 9/12頁(yè) |
| 文件大?。?/td> | 327K |
| 代理商： | LTC485IN8 |
9
LTC485
APPLICATIU
LTC485 Line Length vs Data Rate
The maximum line length allowable for the RS422/RS485
standard is 4000 feet.
U
W
U
Figures 17 and 18 show that the LTC485 is able to
comfortably drive 4000 feet of wire at 110kHz.
Figure 14. Line Length Test Circuit
TTL
OUT
LTC485
LTC485
NOISE
GENERATOR
100
C
D
4000 FT 26AWG
TWISTED PAIR
A
B
TTL
IN
Using the test circuit in Figure 14, Figures 15 and 16 show
that with ~20V
P-P
common-mode noise injected on the
line, The LTC485 is able to reconstruct the data stream at
the end of 4000 feet of twisted pair wire.
RO
DIFFERENTIAL
VOLTAGE A – B
DI
LTC485 F16
Figure 16. System Differential Voltage at 19.2kHz
Figure 15. System Common-Mode Voltage at 19.2kHz
COMMON-MODE
VOLTAGE (A + B)/2
RO
DI
LTC485 F15
Figure 17. System Common-Mode Voltage at 110kHz
RO
COMMON-MODE
VOLTAGE (A + B)/2
DI
LTC485 F17
RO
COMMON-MODE
VOLTAGE (A – B)
DI
LTC485 F18
Figure 18. System Differential Voltage at 110kHz
When specifying line length vs maximum data rate the
curve in Figure 19 should be used:
Figure 19. Cable Length vs Maximum Data Rate
MAXIMUM DATA RATE
10k
10
C
100
1k
10k
100k
1M
10M
LTC485 F19
2.5M
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC485 | Low Power RS485 Interface Transceiver |
| LTC485C | Low Power RS485 Interface Transceiver |
| LTC485CJ8 | Low Power RS485 Interface Transceiver |
| LTC485CN8 | Low Power RS485 Interface Transceiver |
| LTC485CS8 | Low Power RS485 Interface Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC485IN8#PBF | 功能描述:IC TXRX INTRFC RS485 LOPWR 8-DIP RoHS:是 類(lèi)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(lèi)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(lèi)型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
| LTC485IN8#PBF | 制造商:Linear Technology 功能描述:IC RS-485 TRANSCEIVER 5V DIP-8 制造商:Linear Technology 功能描述:IC, RS-485 TRANSCEIVER, 5V, DIP-8 |
| LTC485IN8 | 制造商:Linear Technology 功能描述:IC TRANSCEIVER RS485 DIP8 485 |
| LTC485IN8PBF | 制造商:Linear Technology 功能描述:RS-485 Driver/Receiver 300uA 5V PDIP8 |
| LTC485IS8 | 功能描述:IC TXRX INTRFC RS485 LOPWR 8SOIC RoHS:否 類(lèi)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(lèi)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(lèi)型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。