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ISO7421MD PDF预览

ISO7421MD

更新时间： 2024-11-06 05:39:47
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
18页 627K
描述
Low-Power Dual Digital Isolators

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ISO7421MD 技术参数

生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP,针数：8
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.83接口集成电路类型：INTERFACE CIRCUIT
JESD-30 代码：R-PDSO-G8长度：4.9 mm
功能数量：2端子数量：8
最高工作温度：125 °C最低工作温度：-55 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
认证状态：Not Qualified座面最大高度：1.75 mm
最大供电电压：5.5 V最小供电电压：3 V
标称供电电压：3.3 V表面贴装：YES
温度等级：MILITARY端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
宽度：3.9 mm

ISO7421MD 数据手册

 浏览型号ISO7421MD的Datasheet PDF文件第2页浏览型号ISO7421MD的Datasheet PDF文件第3页浏览型号ISO7421MD的Datasheet PDF文件第4页浏览型号ISO7421MD的Datasheet PDF文件第5页浏览型号ISO7421MD的Datasheet PDF文件第6页浏览型号ISO7421MD的Datasheet PDF文件第7页 
ISO7421, ISO7421M  
www.ti.com ....................................................................................................................................................................................................... SLLS984–JUNE 2009  
Low-Power Dual Digital Isolators  
1
FEATURES  
APPLICATIONS  
•
Optocoupler Replacement in:  
2
•
Highest Signaling Rate: up to 250 Mbps  
–
Industrial Fieldbus  
•
Low Power Consumption, Typical ICC per  
Channel:  
–
–
–
Profibus  
Modbus  
DeviceNet™ Data Buses  
–
2.2 mA at 25 Mbps, 4.2 mA at 100 Mbps  
•
Very Low Propagation Delay – 9 ns Typ. and  
Very Low Skew – 300 ps Typ.  
–
–
–
–
Servo Control Interface  
Motor Control  
Power Supplies  
Battery Packs  
•
•
Widest TA Range Specified: –55°C to 125°C  
4 kVpeak Maximum Isolation, 2.5 kVrms per UL  
1577, IEC/VDE and CSA Approved, IEC  
60950-1, IEC 61010-1 End Equipment  
Standards Approved. All Approvals Pending.  
•
•
50 kV/µs Transient Immunity, Typical  
Over 25-Year Isolation Integrity at Rated  
Voltage  
•
Operates From 3-V to 5.5-V Supply and Logic  
Levels  
DESCRIPTION  
The ISO7421 and ISO7421M provide galvanic isolation up to 2.5 kVrms for 1 minute per UL. These digital  
isolators have two isolated channels with bidirectional channel configuration. Each isolation channel has a logic  
input and output buffer separated by a silicon dioxide (SiO2) insulation barrier. Used in conjunction with isolated  
power supplies, these devices prevent noise currents on a data bus or other circuit from entering the local  
ground and interfering with or damaging sensitive circuitry.  
The devices have TTL input thresholds and require two supply voltages from 3 V to 5.5 V, or any combination.  
All inputs are 5-V tolerant when supplied from a 3-V supply.  
ISO7421  
D Package  
(Top View)  
VCC1  
VCC2  
8
7
6
5
1
2
3
4
OUTA  
INB  
INA  
OUTB  
GND1  
GND2  
P0066-08  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
DeviceNet is a trademark of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2009, Texas Instruments Incorporated  
1234567...18

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