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ISO1641

更新时间： 2024-01-23 07:51:26
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ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs

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ISO1641 数据手册

 浏览型号ISO1641的Datasheet PDF文件第2页浏览型号ISO1641的Datasheet PDF文件第3页浏览型号ISO1641的Datasheet PDF文件第4页浏览型号ISO1641的Datasheet PDF文件第5页浏览型号ISO1641的Datasheet PDF文件第6页浏览型号ISO1641的Datasheet PDF文件第7页 
ISO1640, ISO1641, ISO1642, ISO1643, ISO1644  
SLLSFC2D – DECEMBER 2020 – REVISED SEPTEMBER 2021  
ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs  
1 Features  
3 Description  
•
Robust Isolated Bidirectional, I2C Compatible,  
Communication  
– ISO1640: Bidirectional SDA and SCL  
communication  
– ISO1641: Bidirectional SDA and unidirectional  
SCL communication  
– ISO1642/3/4: Bidirectional SDA and SCL  
communication with either 2 or 3 unidirectional  
GPIO channels  
– Hot-Swappable SDA and SCL  
Bidirectional data transfer up to 1.7 MHz Operation  
Up to 3 additional unidirectional isolated GPIO  
channels supporting 50 Mbps speed  
Robust isolation barrier with enhanced EMC:  
– >100-year projected lifetime at 450 VRMS  
working voltage (D-8) and 1500 VRMS working  
voltage (DW-16)  
– Up to 5000 VRMS isolation rating per UL1577  
– Up to 10 kV reinforced surge capability  
– ±100 kV/μs typical CMTI  
– ±8 kV IEC-ESD 61000-4-2 contact discharge  
protection across isolation barrier  
– Same side ±8 kV IEC-ESD unpowered contact  
discharge on SCL2 and SDA2 (Side 2)  
Supply range: 3 V to 5.5 V (Side 1) and 2.25 V to  
5.5 V (Side 2)  
The ISO1640, ISO1641, ISO1642, ISO1643 and  
ISO1644 (ISO164x) devices are hot swappable, low-  
power, bidirectional isolators that are compatible  
with I2C interfaces. The ISO164x supports UL 1577  
isolation ratings of 5000 VRMS in the 16-DW package,  
and 3000 VRMS in the 8-D package. Each I2C  
isolation channel in this low emissions device has  
a logic input and open drain output separated by  
a double capacitive silicon dioxide (SiO2) insulation  
barrier. The ISO1642 and ISO1643 intregrates 2  
unidirectional CMOS isolation channels, while the  
ISO1644 intregrates 3 unidirectional CMOS isolation  
channels which can be used for static GPIO isolation  
or to isolate a Serial Peripheral Interface (SPI) bus.  
This family includes basic and reinforced insulation  
devices certified by VDE, UL, CSA, TUV and CQC.  
The ISO1640/2/3/4 have two isolated bidirectional  
channels for clock and data lines and the ISO1641  
has a bidirectional data and a unidirectional clock  
channel. The ISO164x family integrates logic required  
to support bidirectional channels, providing a much  
simpler design and smaller footprint when compared  
to optocoupler-based solutions.  
•
•
•
Device Information(1)  
•
•
•
•
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
ISO1640BD  
ISO1641BD  
SOIC (8)  
4.90 mm × 3.91 mm  
Open-drain outputs with 3.5-mA (Side 1) and 50-  
mA (Side 2) current-sink capability  
Max capacitive load: 80 pF (Side 1) and 400 pF  
(Side 2)  
16-SOIC (DW-16) and 8-SOIC (D-8) Package  
Options  
–40°C to +125°C Operating Temperature  
Safety-Related Certifications (planned):  
– UL 1577 Component Recognition Program  
– DIN VDE V 0884-11  
ISO1640DW  
ISO1641DW  
ISO1642DW  
ISO1643DW  
ISO1644DW  
SOIC (16)  
10.30 mm × 7.50 mm  
•
•
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Isolation Options  
– IEC 62368-1, IEC 61010-1, IEC 60601-1 and  
GB4943.1-2011 certifications  
PART NUMBER  
Protection Level  
Surge Test Voltage  
Isolation Rating  
ISO164xBD  
ISO164xDW  
Reinforced  
10000 VPK  
5000 VRMS  
Basic  
2 Applications  
6500 VPK  
3000 VRMS  
•
•
•
•
•
•
Isolated I2C Buses  
Isolated I2C and SPI Buses  
SMBus and PMBus Interfaces  
Power Over Ethernet (PoE)  
Motor Control Systems  
Battery Management  
.
450 VRMS / 637 1500 VRMS / 2121  
VPK VPK  
Working Voltage  
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
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