I²C Isolator
The NSI810x and NSI820x series are high-reliability dual-channel bidirectional I²C digital isolators. They provide electrical isolation withstand voltages of 3.75kVrms/5kVrms compliant with UL1577, and feature high electromagnetic immunity and low radiation. The data transmission rate is up to 150Mbps, and the common-mode transient immunity (CMTI) is as high as 150kV/μs. They support I²C interfaces, SMBus, PMBus, etc., with an I²C clock rate of up to 2MHz, and offer options for digital channel direction configuration, as well as output default high-level and low-level selection. The wide power supply range allows direct connection to most digital interfaces such as MCUs, and can conveniently provide level conversion functionality. The excellent system-level electromagnetic compatibility (EMC) performance enhances the reliability and stability of use.
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| Part Number | ECAD Model | Serial clock | Serial data | Number of channels(#) | Clock Rate(Max)(MHz) | Data Rate(Max)(Mbps) | Isolation Type @VDE 0884-11 | isolation rating(kV) | Surge test voltage(kV) | CMTI(kV/us) | Qualification | Operation temperature（℃） | Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NSI8100N |
|
Bi-directional | Bi-directional | 2 | 2 | 2 | Basic | 3.75 | 7 | 150 | Industrial | -40~125 | SOP8 |
| NSI8100W |
|
Bi-directional | Bi-directional | 2 | 2 | 2 | Basic | 5 | 7 | 150 | Industrial | -40~125 | SOW16 |
| NSI8100NC |
|
Bi-directional | Bi-directional | 2 | 2 | 2 | Basic | 3.75 | 7 | 150 | Industrial | -40~125 | SOP8 |
| NSI8200 |
|
Bi-directional | Bi-directional | 2 | 2 | 2 | Basic/Reinforced | 3.75/5 | 7/10 | 150 | Industrial | -40~125 | SOP8, SOW16 |
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