1. RT IS EQUAL TO THE CHAR" />
參數資料
型號: ADM2482EBRWZ-REEL7
廠商: Analog Devices Inc
文件頁數: 9/20頁
文件大?。?/td> 0K
描述: IC TXRX RS485 ISO W/ESD 16SOIC
標準包裝: 400
類型: 收發(fā)器
驅動器/接收器數: 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: 16-SOIC(0.295",7.50mm 寬)
供應商設備封裝: 16-SOIC W
包裝: 帶卷 (TR)
配用: 811-2154-5-ND - XFRMR CONV ADM2482 5.0V IN
811-2153-5-ND - XFRMR CONV ADM2482 3.3V IN
ADM2482E/ADM2487E
Rev. A | Page 17 of 20
07
37
9-
02
7
NOTES
1. RT IS EQUAL TO THE CHARACTERISTIC IMPEDANCE OF THE CABLE.
2. ISOLATION NOT SHOWN.
TYPICAL APPLICATIONS
Figure 35 and Figure 36 show typical applications of the
ADM2482E/ADM2487E in half-duplex and full-duplex
RS-485 network configurations. Up to 256 transceivers can
be connected to the RS-485 bus. To minimize reflections, the
line must be terminated at the receiving end in its characteristic
impedance, and stub lengths off the main line must be kept as
short as possible. For a half-duplex operation, this means that
both ends of the line must be terminated, because either end can
be the receiving end.
AB
Z
Y
AB
Z
Y
A
B
Z
Y
A
B
Z
Y
R
D
R
D
R
D
R
D
ADM2482E/
ADM2487E
ADM2482E/
ADM2487E
ADM2482E/
ADM2487E
RxD RE
DE TxD
RxD RE
DE TxD
RT
RxD
RE
DE
TxD
RxD
RE
DE
TxD
ADM2482E/
ADM2487E
MAXIMUM NUMBER OF TRANSCEIVERS ON BUS = 256
NOTES
1. RT IS EQUAL TO THE CHARACTERISTIC IMPEDANCE OF THE CABLE.
Figure 35. ADM2482E/ADM2487E Typical Half-Duplex RS-485 Network
R
D
A
B
Z
Y
R
D
A
B
Z
Y
R
D
A
B
Z
Y
R
D
A
B
Z
Y
RT
TxD
DE
RxD
RE
ADM2482E/
ADM2487E
ADM2482E/
ADM2487E
ADM2482E/
ADM2487E
SLAVE
RxD
RE
DE
TxD
ADM2482E/
ADM2487E
MASTER
SLAVE
RxD RE DE TxD
RT
07
37
9-
0
28
MAXIMUM NUMBER OF NODES = 256
Figure 36. ADM2482E/ADM2487E Typical Full-Duplex RS-485 Network
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ADM2483BRW 功能描述:IC TXRX RS-485 ISOLATED 16-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器,接收器,收發(fā)器 系列:iCoupler® 標準包裝:27 系列:- 類型:收發(fā)器 驅動器/接收器數: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) 供應商設備封裝:28-SOIC 包裝:管件
ADM2483BRW-REEL 功能描述:IC TXRX RS-485 ISOLATED 16SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器,接收器,收發(fā)器 系列:iCoupler® 標準包裝:27 系列:- 類型:收發(fā)器 驅動器/接收器數: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) 供應商設備封裝:28-SOIC 包裝:管件
ADM2483BRWZ 功能描述:IC TXRX RS485 ISOLATED 16SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器,接收器,收發(fā)器 系列:iCoupler® 標準包裝:27 系列:- 類型:收發(fā)器 驅動器/接收器數: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) 供應商設備封裝:28-SOIC 包裝:管件
ADM2483BRWZ 制造商:Analog Devices 功能描述:RS-485 IC