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ISO485P

更新时间： 2024-02-20 21:25:51
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BB 总线收发器
页数 文件大小 规格书
11页 179K
描述
Isolated RS-485 DIFFERENTIAL BUS TRANSCEIVER

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中文翻译

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ISO485P 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete包装说明：DIP, DIP12/24,.3
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.72差分输出：YES
驱动器位数：1高电平输入电流最大值：0.000001 A
输入特性：DIFFERENTIAL SCHMITT TRIGGER接口集成电路类型：LINE TRANSCEIVER
接口标准：EIA-422-A; EIA-485JESD-30 代码：R-PDIP-T12
长度：29.905 mm功能数量：1
端子数量：12最高工作温度：85 °C
最低工作温度：-40 °C最小输出摆幅：1.5 V
最大输出低电流：0.008 A封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP12/24,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5 V
认证状态：Not Qualified最大接收延迟：60 ns
接收器位数：1座面最大高度：5.33 mm
子类别：Line Driver or Receivers最大供电电压：5.5 V
最小供电电压：3 V标称供电电压：5 V
表面贴装：NO技术：HYBRID
温度等级：INDUSTRIAL端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED最大传输延迟：60 ns
宽度：7.62 mm

ISO485P 数据手册

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®
ISO485  
ISO485  
Isolated RS-485  
DIFFERENTIAL BUS TRANSCEIVER  
FEATURES  
DESCRIPTION  
● RS-485 AND RS-422 COMPATIBLE  
The ISO485 differential, isolated bus transceiver uses  
Burr-Brown’s capacitively coupled isolation technol-  
ogy to provide high-speed, low cost bus isolation.  
The ISO485 is designed for bi-directional data com-  
munication on multipoint bus transmission lines and  
meets EIA Standard RS-485 as well as EIA Standard  
RS-422A requirements.  
● 100% TESTED FOR HIGH-VOLTAGE  
BREAKDOWN  
● RATED 1500Vrms  
●
SINGLE-WIDE 24-PIN PLASTIC DIP  
● EASY TO USE  
● LOW POWER: 180mW typ at 5Mbit/s  
The ISO485 uses high voltage 0.4pF capacitors in-  
stead of the LED and photodetector which are used in  
equivalent optocoupler solutions. As a consequence  
the part count of the isolated RS-485 channel is  
reduced from multiple optocoupler channels, an RS-  
485 transceiver chip and supporting circuitry to one  
ISO485. The capacitors in the ISO485 provide a high  
voltage barrier, 1500Vrms and greatly reduce current  
spikes on the power line.  
APPLICATIONS  
● MULTIPOINT DATA TRANSMISSION  
ON LONG BUS LINES IN NOISY  
ENVIRONMENTS  
The ISO485 combines a 3-state differential line driver  
and a differential-input line receiver both of which  
operate from a single 5V power supply. The driver  
differential outputs and the receiver differential input/  
output bus ports are designed to offer minimum load-  
ing to the bus whenever the driver is disabled or  
VS = 0V.  
3
VSA  
15  
VSB  
RE  
R
2
1
A
B
12  
13  
D
24  
TRUTH TABLE  
DE RE  
RS-485  
BUS  
0
0
1
1
0
1
0
1
RX  
DE  
HIGH Z  
HIGH Z  
TX  
23  
11  
14  
22  
GND  
B
GND  
A
International Airport Industrial Park  
•
Mailing Address: PO Box 11400  
Cable: BBRCORP  
•
Tucson, AZ 85734  
•
Street Address: 6730 S. Tucson Blvd.  
• Tucson, AZ 85706  
Tel: (520) 746-1111 Twx: 910-952-1111  
•
•
•
Telex: 066-6491  
•
FAX: (520) 889-1510  
•
Immediate Product Info: (800) 548-6132  
©1994 Burr-Brown Corporation  
PDS-1280C  
Printed in U.S.A. May, 1995  
1234567...11

中文翻译

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