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ISO1640_V02

更新时间： 2024-12-02 02:48:51
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ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs

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ISO1640_V02 数据手册

 浏览型号ISO1640_V02的Datasheet PDF文件第2页浏览型号ISO1640_V02的Datasheet PDF文件第3页浏览型号ISO1640_V02的Datasheet PDF文件第4页浏览型号ISO1640_V02的Datasheet PDF文件第5页浏览型号ISO1640_V02的Datasheet PDF文件第6页浏览型号ISO1640_V02的Datasheet PDF文件第7页 
ISO1640, ISO1641, ISO1644  
SLLSFC2C – MAY 2021 – REVISED JUNE 2021  
ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs  
1 Features  
3 Description  
•
Robust Isolated Bidirectional, I2C Compatible,  
Communication  
– ISO1640: Bidirectional Isolated SDA and SCL  
communication  
– ISO1641: Bidirectional Isolated SDA and  
unidirectional SCL communication  
– ISO1644: Bidirectional Isolated SDA and SCL  
communication with 3 Unidirectional GPIO  
channels  
The ISO1644, ISO1640 and ISO1641 (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 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  
ISO1644 and ISO1640 has two isolated bidirectional  
channels for clock and data lines while 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.  
– Hot-Swappable SDA and SCL  
•
•
Bidirectional data transfer up to 1.7 MHz Operation  
Up to 3 additional unidirectional isolation channels  
supporting speeds up to 50 Mbps operation  
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  
– 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)  
Open-Drain Outputs With 3.5-mA (Side 1) and 50-  
mA (Side 2) Sink Current 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  
•
Device Information(1)  
PART NUMBER  
PACKAGE  
SOIC (8)  
SOIC (16)  
BODY SIZE (NOM)  
4.90 mm × 3.91 mm  
10.30 mm × 7.50 mm  
ISO1640BD  
ISO1641BD  
•
•
•
•
ISO1640DW  
ISO1644DW  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Isolation Options  
PART NUMBER  
Protection Level  
Surge Test Voltage  
Isolation Rating  
ISO164xBD  
ISO164xDW  
Reinforced  
10000 VPK  
5000 VRMS  
•
•
Basic  
6500 VPK  
3000 VRMS  
450 VRMS / 637 1500 VRMS / 2121  
– IEC 62368-1, IEC 61010-1, IEC 60601-1 and  
GB4943.1-2011 certifications  
Working Voltage  
VPK  
VPK  
2 Applications  
VCC1  
VCC2  
•
•
•
•
•
•
Isolated I2C Buses  
Isolated I2C and SPI Buses  
SMBus and PMBus Interfaces  
Power Over Ethernet (PoE)  
Motor Control Systems  
Battery Management  
.
SDA1  
or SCL1  
SDA2  
or SCL2  
GND1  
GND2  
VREF  
Simplified Isolated Bidirectional Data Channel  
Schematic  
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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