ADUM4151ARIZ-RL vs SI8442AB-C-IS Comparison
Detailed side-by-side comparison of ADUM4151ARIZ-RL by Analog Devices and SI8442AB-C-IS by Skyworks Solutions. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Analog Devices
ADUM4151ARIZ-RL - 5kV 7-CH SPIsolator Digital Isolator | Analog Devices
ADUM4151ARIZ-RL ✓ ActiveSkyworks Solutions
SI8442AB-C-IS - 4-Ch 2.5kV Digital Isolator 1Mbps | Skyworks
SI8442AB-C-IS ✓ ActiveSpecification Comparison
| Parameter | ADUM4151ARIZ-RL | SI8442AB-C-IS |
|---|---|---|
| Brand | Analog Devices | Skyworks Solutions |
| Category | Interface ICs | Digital Isolators |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.05 | $1.05 |
| Isolation Voltage (rms) | 5000 Vrms | — |
| Number of Channels | 7 | 4 |
| Channel Configuration | 2 Forward / 1 Reverse Auxiliary + 4 SPI lanes | 2 Forward / 2 Reverse |
| Data Rate (max) | 2 Mbps | 1 Mbps |
| Propagation Delay (max) | 25 ns | — |
| Common-Mode Transient Immunity (min) | 25 kV/µs | — |
| Supply Voltage Range | 3 V to 5.5 V | — |
| Operating Temperature Range | -40°C to +125°C | -40 °C to +125 °C (industrial) |
| Package | 20-pin SOIC_W (increased creepage), 7.50 mm body width | — |
| Mounting Type | Surface Mount (Gull-wing) | Surface Mount |
| MSL Level | 3 | — |
| Isolation Technology | iCoupler chip-scale transformer | — |
| Withstand Voltage (per UL 1577) | 5 kV rms for 1 minute | — |
| RoHS Status | Compliant | Compliant |
| Lead Finish | Matte Tin (lead-free) | — |
| Tape and Reel Packaging | 13-inch reel, -RL suffix | — |
| Auxiliary Channel Direction | 2/1 (forward/reverse) | — |
| Manufacturer | — | Skyworks Solutions Inc. |
| Product Type | — | Digital Isolator (CMOS, RF-isolation) |
| Isolation Voltage (Vrms) | — | 2500 Vrms |
| Propagation Delay (typical) | — | 35 ns |
| Common-Mode Transient Immunity (CMTI) | — | 25 kV/µs (typical) |
| Supply Voltage Range (VDD1, VDD2) | — | 2.70 V to 5.5 V |
| Quiescent Current (typ, 5 V, 1 Mbps) | — | < 1.6 mA per channel |
| Package / Case | — | 16-SOIC (0.295", 7.50 mm Body Width, wide-body) |
| Default Output State | — | High (no start-up initialization required) |
| Component Safety Standards | — | UL 1577, IEC 60747, CSA 5A |
| Lead-Free | — | Yes |