SI8642BB-B-IU vs SI8661BC-B-IS1R Comparison
Detailed side-by-side comparison of SI8642BB-B-IU by Skyworks Solutions and SI8661BC-B-IS1R by Skyworks Solutions. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Skyworks Solutions
SI8642BB-B-IU - 4-Ch 2.5kV Digital Isolator, 150Mbps | Skyworks
SI8642BB-B-IU ✓ ActiveSkyworks Solutions
SI8661BC-B-IS1R - 6-Ch 3.75 kV 150 Mbps Digital Isolator | Skyworks
SI8661BC-B-IS1R ✓ ActiveSpecification Comparison
| Parameter | SI8642BB-B-IU | SI8661BC-B-IS1R |
|---|---|---|
| Brand | Skyworks Solutions | Skyworks Solutions |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.85 | $2.55 |
| Type | Digital Isolator, General Purpose | — |
| Number of Channels | 4 | 6 |
| Channel Configuration | 2 forward / 2 reverse | — |
| Isolation Voltage | 2500 Vrms | — |
| Data Rate | 150 Mbps | 150 Mbps (NRZ) |
| Propagation Delay | 8 ns typical, <10 ns max | [DATA_NEEDED: typical propagation delay] |
| Common-Mode Transient Immunity (CMTI) | 35 kV/µs | 35 kV/us minimum, 50 kV/us typical |
| Supply Voltage (VDD) | 2.375 V to 5.5 V | — |
| Technology | CMOS Capacitive Isolation | — |
| Operating Temperature | -40 °C to +85 °C | -40C to +125C |
| Package | 16-QSOP (0.154 inch / 3.90 mm width) | 16-SOIC wide-body (0.154 inch / 3.90 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Approximate Body Length | 4.90 mm (narrow body) | — |
| MSL Level | 1 | [DATA_NEEDED: MSL rating] |
| RoHS Status | Compliant | Compliant |
| Fail-Safe Output | Supported | — |
| Isolation Type | — | Capacitive Coupling Digital Isolator |
| Channel Direction | — | 6 forward (same direction) - BC grade |
| Isolation Voltage (RMS) | — | 3750 Vrms |
| Surge Voltage | — | 5 kV peak per IEC 60747-17 |
| Channel-to-Channel Skew | — | [DATA_NEEDED: typical channel-to-channel skew] |
| Supply Voltage (VDD1, VDD2) | — | 2.5 V to 5.5 V |
| Quiescent Current | — | 1.5 mA per channel at 100 kHz (per channel) |
| AEC-Q100 Qualification | — | Qualified (BC grade is automotive) |
| Safety Certifications | — | UL, VDE, CSA - IEC 60747-17 / IEC 60747-5-5 reinforced insulation |