Maxim Integrated MAX14131FAEE+ general-purpose digital isolator, capacitive coupling, 4 unidirectional channels, 150Mbps data rate, 1000Vrms isolation, 1.71V–5.5V supply, -40°C to 125°C, 16-QSOP package, tube.
| Parameter | Value |
|---|---|
| Type | General Purpose |
| Channel type | Unidirectional |
| Mounting | Surface Mount |
| Supply voltage | 1.71V ~ 5.5V |
| Voltage - isolation | 1000Vrms |
| Isolated power | No |
| Operating temperature | -40°C ~ 125°C |
| Pulse width distortion | 1ns |
| Package | Tube |
| Data rate | 150Mbps |
| Technology | Capacitive Coupling |
| Case | 16-SSOP (0.154\", 3.90mm Width) |
| Channels | 4 |
| Inputs - side 1/Side 2 | 3/1 |
| Rise (Fall time) | 2ns, 2ns |
| Propagation delay tpLH (tpHL) | 7.5ns, 7.4ns |
| Common mode transient immunity | 25kV/µs (Typ) |
The 1000Vrms isolation rating suits reinforced isolation for industrial equipment with basic insulation requirements. The 150Mbps data rate keeps up with high-speed SPI clocks and fast UART links without pulse-width distortion exceeding 1ns.
It's ROHS3 compliant, so it passes EU material restrictions for new builds.
Yes, the 150Mbps data rate and 7.5ns propagation delay are fast enough for SPI clock rates up to 50–75 MHz, and the unidirectional channel configuration (3 inputs on side 1, 1 on side 2) matches typical SPI signals (SCLK, MOSI, MISO, CS).