參數(shù)資料
型號(hào)： ADM2483BRW
廠商： ANALOG DEVICES INC
元件分類： 通用總線功能
英文描述： Half-Duplex iCoupler-R Isolated RS-485 Transceiver
中文描述： LINE TRANSCEIVER, PDSO16
封裝： MS-013AA, SOIC-16
文件頁(yè)數(shù)： 14/20頁(yè)
文件大?。?/td> 308K
代理商： ADM2483BRW
ADM2483
CIRCUIT DESCRIPTION
ELECTRICAL ISOLATION
In the ADM2483, electrical isolation is implemented on the
logic side of the interface. Therefore, the part has two main
sections: a digital isolation section and a transceiver section (see
Figure 19). Driver input and data enable signals, applied to the
TxD and DE pins respectively, and referenced to logic ground
(GND
1
), are coupled across an isolation barrier to appear at the
transceiver section referenced to isolated ground (GND
2
).
Similarly, the receiver output, referenced to isolated ground in
the transceiver section, is coupled across the isolation barrier to
appear at the RxD pin referenced to logic ground.
Rev. 0 | Page 14 of 20
i
Coupler Technology
The digital signals are transmitted across the isolation barrier
using
i
Coupler technology. This technique uses chip scale
transformer windings to couple the digital signals magnetically
from one side of the barrier to the other. Digital inputs are
encoded into waveforms that are capable of exciting the
primary transformer winding. At the secondary winding, the
induced waveforms are then decoded into the binary value that
was originally transmitted.
0
RE
TxD
DECODE
ENCODE
DE
DECODE
ENCODE
RxD
DECODE
ENCODE
ISOLATION
BARRIER
DIGITAL ISOLATION
TRANSCEIVER
D
R
A
V
DD1
V
DD2
GND
1
GND
2
B
Figure 26. ADM2483 Digital Isolation and Transceiver Sections
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參數(shù)描述
ADM2483BRW-REEL 功能描述:IC TXRX RS-485 ISOLATED 16SOIC 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:iCoupler® 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):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(yīng)商設(shè)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(qū)動(dòng)器，接收器，收發(fā)器 系列:iCoupler® 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):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(yīng)商設(shè)備封裝:28-SOIC 包裝:管件
ADM2483BRWZ 制造商:Analog Devices 功能描述:RS-485 IC
ADM2483BRWZ-REEL 功能描述:IC TXRX RS-485 ISOLATED 16SOIC 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:iCoupler® 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):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(yīng)商設(shè)備封裝:28-SOIC 包裝:管件
ADM2484E 制造商:AD 制造商全稱:Analog Devices 功能描述:500 kbps, ESD Protected, Half-/Full-Duplex, iCoupler, Isolated RS-485 Transceiver
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