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ISO7420ED PDF预览

ISO7420ED

更新时间： 2024-11-06 12:04:47
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27页 1213K
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Low-Power Dual Channel Digital Isolators

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ISO7420ED 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP,针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：1.59
其他特性：ALSO OPERATES AT 5V NOM接口集成电路类型：INTERFACE CIRCUIT
JESD-30 代码：R-PDSO-G8JESD-609代码：e4
长度：4.905 mm湿度敏感等级：1
功能数量：2端子数量：8
最高工作温度：125 °C最低工作温度：-40 °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
峰值回流温度（摄氏度）：260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：AUTOMOTIVE
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.895 mm
Base Number Matches：1

ISO7420ED 数据手册

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ISO7420E, ISO7420FE  
ISO7421E, ISO7421FE  
www.ti.com  
SLLSE45E –DECEMBER 2010–REVISED JANUARY 2013  
Low-Power Dual Channel Digital Isolators  
Check for Samples: ISO7420E, ISO7420FE, ISO7421E, ISO7421FE  
1
FEATURES  
APPLICATIONS  
2
•
•
Signaling Rate > 50 Mbps  
•
Opto-Coupler Replacement in:  
For Devices with Suffix F, Output is Low in  
Default Mode  
–
Industrial FieldBus  
–
–
–
ProfiBus  
•
Low Power Consumption: Typical ICC per  
Channel (3.3V Supplies):  
ModBus  
DeviceNet™ Data Buses  
–
ISO7420: 1.4 mA at 1 Mbps, 2.5 mA at  
25 Mbps  
–
–
–
–
Servo Control Interface  
Motor Control  
–
ISO7421: 1.8 mA at 1 Mbps, 2.8 mA at  
25 Mbps  
Power Supplies  
Battery Packs  
•
•
•
•
•
•
•
Low Propagation Delay: 7 ns Typical (E-Grade)  
Low Pulse Skew: 200 ps Typical (E-Grade)  
Wide TA Range Specified: –40°C to 125°C  
50 KV/μs Transient Immunity, Typical  
Isolation Barrier Life: > 25 Years  
SAFETY AND REGULATORY  
APPROVALS  
•
3000 VRMS / 4242 VPK Isolation per DIN EN  
60747-5-2 (VDE 0884 Part 2)  
Operates from 3V to 5.5V Supply Levels  
Narrow Body SOIC-8 Package  
•
•
•
2.5 KVRMS Isolation for 1 minute per UL 1577  
CSA Component Acceptance Notice #5A  
IEC 60950-1 and IEC 61010-1 End Equipment  
Standards  
•
All Agencies Approvals Completed  
DESCRIPTION  
ISO7420x and ISO7421x provide galvanic isolation up to 2500 VRMS for 1 minute per UL and 4242 VPK per VDE.  
These devices have two isolated channels. Each 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 suffix F indicates low-output option in fail-safe conditions (see Table 1). E-grade devices  
have no integrated noise filter and thus have fast propagation delays. CC-grade devices have integrated 10ns-  
filters for harsh environments where short noise pulses may be present at the device input pins.  
These devices have TTL input thresholds and operate from 3V to 5.5V supplies. All inputs are 5V tolerant when  
supplied from a 3.3V supply.  
ISO7420  
D Package  
(Top View)  
ISO7421  
D Package  
(Top View)  
VCC1  
VCC2  
VCC1  
VCC2  
8
8
1
2
3
4
1
2
3
4
7
6
5
7
6
5
INA  
INB  
OUTA  
OUTB  
GND2  
OUTA  
INB  
INA  
OUTB  
GND2  
GND1  
GND1  
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.  
DeviceNet is a trademark of Texas Instruments.  
2
UNLESS OTHERWISE NOTED this document contains  
PRODUCTION DATA information current as of publication date.  
Products conform to specifications per the terms of Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2010–2013, Texas Instruments Incorporated  
 
 
 
 
 
 
 
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ISO7420ED 替代型号

型号 品牌 替代类型 描述 数据表
ISO7420EDR TI

完全替代

 Low-Power Dual Channel Digital Isolators

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