I2c isolator2/9/2024 ![]() 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. Each I 2C isolation channel in this low emissions device has a logic input and open drain output separated by a double capacitive silicon dioxide (SiO 2) insulation barrier. The ISO164x supports UL 1577 isolation ratings of 5000 V RMS in the 16-DW package, and 3000 V RMS in the 8-D package. The ISO1640, ISO1641, ISO1642, ISO1643 and ISO1644 (ISO164x) device s are hot swappable, low-power, bidirectional isolator s that are compatible with I 2C interfaces. Safety-Related Certifications (planned):.16-SOIC (DW-16) and 8-SOIC (D-8) Package Options.Max capacitive load: 80 pF (Side 1) and 400 pF (Side 2).Open-drain outputs with 3.5-mA (Side 1) and 50-mA (Side 2) current-sink capability.Supply range: 3 V to 5.5 V (Side 1) and 2.25 V to 5.5 V (Side 2).Same side ☘ kV IEC-ESD unpowered contact discharge on SCL2 and SDA2 (Side 2).☘ kV IEC-ESD 6 contact discharge protection across isolation barrier.Up to 10 kV reinforced surge capability.Up to 5000 V RMS isolation rating per UL1577.>100-year projected lifetime at 450 V RMS working voltage (D-8) and 1500 V RMS working voltage (DW-16).Robust isolation barrier with enhanced EMC:.Up to 3 additional unidirectional isolated GPIO channels supporting 50 Mbps speed. ![]() Bidirectional data transfer up to 1.7 MHz Operation.ISO: Bidirectional SDA and SCL communication with either 2 or 3 unidirectional GPIO channels.ISO1641: Bidirectional SDA and unidirectional SCL communication.ISO1640: Bidirectional SDA and SCL communication.Robust Isolated Bidirectional, I 2C Compatible, Communication. ![]() parametric-filter Isolated digital inputs.parametric-filter Isolated RS-485 transceivers.parametric-filter Isolated LVDS buffers.parametric-filter Isolated CAN transceivers.parametric-filter Power for signal isolators.parametric-filter Isolated interface ICs.parametric-filter Wireless connectivity.parametric-filter Switches & multiplexers.parametric-filter Microcontrollers (MCUs) & processors.parametric-filter Logic & voltage translation.For MIDI applications (31250bps) consider our MIDI Arduino Shield. This optoisolator is configured for data rates up to 9600bps. ![]() What you put into the IN pins, will be replicated on the the OUT pins, but at the higher voltage (HV). We threw some transistors on this compact board to correct the inversion. Great for use in noisy circuits where signal lines require electrical isolation.Ī normal LED opto-isolator will invert the logic of a signal. This breakout board uses the ILD213T optoisolator and discrete transistors to correct the logic. This board will isolate the systems, creating a type of electrical noise barrier between devices. We often use this board to allow a microcontroller control servos or other motors that use a higher voltage than the TTL logic on the (3.3V or 5V) micro, and may cause electromagnetic interferance with our system as the motors turn on and off. This allows the low-voltage side to control a high voltage side. This IC has two LEDs and two photodiodes built-in. This board electrically isolates a controller from the high-power system by use of an opto-isolator IC. This board is helpful for connecting digital systems (like a 5V microcontroller) to a high-voltage or noisy system. This is a board designed for opto-isolation.
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