Maxim Integrated MAX14931EASE+ general-purpose digital isolator, 4 unidirectional channels, capacitive coupling, 25 Mbps data rate, 2750 Vrms isolation, 1.71V–5.5V supply, -40°C to 125°C, 16-SOIC package.
| Parameter / Attribute | Specification / Value |
|---|---|
| Type | General Purpose |
| Channel type | Unidirectional |
| Mounting | Surface Mount |
| Supply voltage | 1.71V ~ 5.5V |
| Voltage - isolation | 2750Vrms |
| Isolated power | No |
| Operating temperature | -40°C ~ 125°C |
| Pulse width distortion | 2.6ns |
| Package | Tube |
| Data rate | 25Mbps |
| Technology | Capacitive Coupling |
| Case | 16-SOIC (0.154\", 3.90mm Width) |
| Channels | 4 |
| Inputs - side 1/Side 2 | 3/1 |
| Rise (Fall time) | 2ns, 2ns |
| Propagation delay tpLH (tpHL) | 27.5ns, 28.8ns |
| Common mode transient immunity | 25kV/µs (Typ) |
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The Maxim Integrated MAX14931EASE+ is a 4-channel general-purpose digital isolator using capacitive coupling to pass signals across a 2750 Vrms isolation barrier. Three channels run from side 1 to side 2, one channel runs the opposite direction.
The MAX14931EASE+ supports a maximum data rate of 25 Mbps.
Yes, the supply voltage range goes down to 1.71 V, so the isolator can operate on a 1.8 V logic rail directly.
Yes. With three channels in one direction and one in the other, the 3/1 channel split matches the typical SPI interface (SCK, MOSI, CS out, MISO in). The 25 Mbps data rate supports SPI clock speeds up to 12.5 MHz with margin.