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参数资料
| 型号： | LTC2861IDE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/18页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485 20MBPS 12-DFN |
| 标准包装： | 91 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS485 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-WFDFN 裸露焊盘 |
| 供应商设备封装： | 12-DFN（4x3） |
| 包装： | 管件 |
LTC2859/LTC2861
13
285961fc
from a driver transition may exceed the hysteresis levels
on the logic and data inputs pins causing an unintended
state change. This can be avoided by maintaining normal
logic levels on the pins and by slewing inputs through
their thresholds by faster than 1V/s when transitioning.
Good supply decoupling and proper line termination also
reduces glitches caused by driver transitions.
Cable Length vs Data Rate
For a given data rate, the maximum transmission distance
is bounded by the cable properties. A typical curve of cable
length vs data rate compliant with the RS485 standard is
shown in Figure 14. Three regions of this curve reflect
different performance limiting factors in data transmis-
sion. In the flat region of the curve, maximum distance is
determined by resistive losses in the cable. The downward
sloping region represents limits in distance and data
rate due to AC losses in the cable. The solid vertical line
represents the specified maximum data rate in the RS485
standard. The dashed lines at 250kbps and 20Mbps show
the maximum data rates of the LTC2859/LTC2861 in Low-
EMI and normal modes, respectively.
Figure 14. Cable Length vs Data Rate
(RS485 Standard Shown in Solid Lines)
applicaTions inFormaTion
285961 F14
DATA RATE (bps)
CABLE
LENGTH
(F
T)
10k
1M
10M
100k
100M
100
1k
10
10k
LOW-EMI MODE
MAX DATA RATE
RS485 MAX
DATA RATE
NORMAL
MODE MAX
DATA RATE
Multi-Node Network with End Termination Using LTC2859
Typical applicaTions
TE = 5V
TE = 0V
R
D
TE = 0V
R
D
2859/61 TA04
R
D
LTC2859
R
D
LTC2859
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相关代理商/技术参数 |
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| LTC2861IGN | 制造商:Linear Technology 功能描述:Single Transmitter/Receiver RS-422/RS-485 16-Pin SSOP N 制造商:Linear Technology 功能描述:MS-Interface, 5V Full-Duplex RS485 Transceiver w/ Integrated Termination & Slew |
| LTC2861IGN#PBF | 功能描述:IC TXRX RS485 20MBPS 16-SSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 产品培训模块:RS-232 & USB Transceiver 标准包装:2,000 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-SSOP（0.209"，5.30mm 宽） 供应商设备封装:16-SSOP 包装:带卷 (TR) 其它名称:296-19849-2 |
| LTC2861IGN#TRPBF | 功能描述:IC TXRX RS485 20MBPS 16-SSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC 包装:管件 |
| LTC2862CDD-1#PBF | 功能描述:IC TXRX RS485 60V 250KBPS 8DFN RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:* 标准包装:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC 包装:管件 |
| LTC2862CDD-1#TRPBF | 功能描述:IC TXRX RS485 60V 250KBPS 8DFN RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:* 标准包装:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC 包装:管件 |
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