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TD321D485H-A

Description
Single-channel high-speed RS485 isolated transceiver module
CategoryWireless rf/communication    Communication module   
File Size817KB,5 Pages
ManufacturerMORNSUN
Websitehttp://www.mornsun-power.com
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TD321D485H-A Overview

Single-channel high-speed RS485 isolated transceiver module

工业总线
TD5(3)21D485H-A
系列
单路高速
RS485
隔离收发模块(自动切换)
产品特点
内½高效隔离电源
自动收发数据功½
波特率高达500kbps
两端隔离(3.0kVDC)
工½温度范围:-40℃
to +85℃
同一½络可支持连接128个节点
RoHS
集隔离与ESD总线保护功½于一身
通过EN60950认证
TD321D485H-A/ TD521D485H-A,主要功½是将逻辑电平½换为 RS485
协议的差分电平,实现信号隔离;是一款采用
IC
集成化
技术,实现了电源隔离、信号隔离、RS485 通信和总线保护于一½的
RS485
协议收发模块。产品自带定压隔离电源,可实现
3000VDC
电气隔离。除此之外,产品具有自动切换收发功½,不再需要通过
CON
脚进行收发控制,在一定程度上减少了设计的
复杂性。产品可方便地嵌入用户设备,½设备½松实现
RS485
协议½络的连接功½。
选型表
认证
CE
产品型号
TD321D485H-A
TD521D485H-A
电源输入
(VDC)
3.15-3.45
4.75-5.25
传输波特率
(kbps)
500
500
静态电流(mA)
37
40
最大工½电流
(mA)
90
90
隔离电源输出
(typ.)(VDC)
5
5
节点数
128
128
极限特性
项目
输入冲击电压(1sec.
max.)
引脚焊接温度
工½条件
3.3V
系列
5.0V
系列
焊点距离外壳
1.5mm,10
Min.
-0.7
-0.7
--
Typ.
--
--
--
Max.
5
7
300
单½
VDC
输入特性(3.3V 系列)
项目
输入电源电压
TXD
逻辑电平
RXD
逻辑电平
TXD
驱动电流
RXD
输出电流
串行接口
高电平
½电平
高电平
½电平
符号
VCC
V
IH
V
IL
V
OH
V
OL
I
T
I
R
只兼容+3.3V 的
UART
接口
Min.
3.15
0.7V
CC
0
V
CC
-0.4
0
2
--
Typ.
3.3
3.3
--
3.1
0.2
--
--
Max.
3.45
3.6
0.8
--
0.4
-
10
单½
VDC
mA
输入特性(5.0V 系列)
项目
输入电源电压
TXD
逻辑电平
RXD
逻辑电平
TXD
驱动电流
RXD
输出电流
串行接口
高电平
½电平
高电平
½电平
符号
VCC
V
IH
V
IL
V
OH
V
OL
I
T
I
R
只兼容+5V 的
UART
接口
Min.
4.75
0.7V
CC
0
V
CC
-0.4
0
2
--
Typ.
5
5
--
4.8
0.2
--
--
Max.
5.25
5.5
0.8
--
0.4
--
10
单½
VDC
mA
2017.07.31
A/0
1
页 共
5
该版权及产品最终解释权½广州金升阳科技有限公司所有

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