参数资料
型号: ADM3491AR
厂商: Analog Devices Inc
文件页数: 7/20页
文件大小: 0K
描述: IC TX/RX RS-485 HS 3.3V 14SOIC
标准包装: 56
类型: 收发器
驱动器/接收器数: 1/1
规程: RS422,RS485
电源电压: 3 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOICN
包装: 管件
Data Sheet
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
Rev. E | Page 15 of 20
LINE LENGTH vs. DATA RATE
The RS-485 and RS-422 standards cover line lengths up to 4000 feet. For line lengths greater than 4000 feet, see Figure 36.
B
A
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DE
ADM3483/
ADM3485
ADM3483/
ADM3485
ADM3483/
ADM3485
ADM3483/
ADM3485
B
A
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DI
DE
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RO RE
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A
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05
52
4-
022
MAXIMUM NUMBER OF TRANSCEIVERS ON BUS = 32
RT
NOTES
1. RT IS EQUAL TO THE CHARACTERISTIC IMPEDANCE OF THE CABLE.
VCC
R1
R2
Figure 32. ADM3483/ADM3485 Typical Half-Duplex RS-485 Network
R
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DE
ADM3491
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0552
4-
090
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RO
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ADM3491
MASTER
SLAVE
A
B
Z
Y
RE
MAXIMUM NUMBER OF NODES = 32
ADM3491
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Y
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SLAVE
NOTES
1. RT IS EQUAL TO THE CHARACTERISTIC IMPEDANCE OF THE CABLE.
RT
VCC
R1
R2
RT
VCC
R1
R2
Figure 33. ADM3491 Typical Full-Duplex RS-485 Network
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ADM3491AR-REEL7 功能描述:IC TXRX RS-485 HS FD 3.3 14SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器,接收器,收发器 系列:- 标准包装:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422,RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN(3x3) 包装:管件