SI8640BA-B-IU vs SI8642BB-B-IU Comparison
Detailed side-by-side comparison of SI8640BA-B-IU by Skyworks Solutions and SI8642BB-B-IU 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
SI8640BA-B-IU - 4-Ch 2.5kV Digital Isolator, 150Mbps | SSOP-16
SI8640BA-B-IU ✓ ActiveSkyworks Solutions
SI8642BB-B-IU - 4-Ch 2.5kV Digital Isolator, 150Mbps | Skyworks
SI8642BB-B-IU ✓ ActiveSpecification Comparison
| Parameter | SI8640BA-B-IU | SI8642BB-B-IU |
|---|---|---|
| Brand | Skyworks Solutions | Skyworks Solutions |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.18 | $1.85 |
| Isolation Voltage (rms) | 2500 V | — |
| Number of Channels | 4 (unidirectional) | 4 |
| Channel Configuration | 3 forward / 1 reverse (BA) | 2 forward / 2 reverse |
| Maximum Data Rate | 150 Mbps | — |
| Propagation Delay | 8 ns (typical) | 8 ns typical, <10 ns max |
| Common-Mode Transient Immunity (CMTI) | 35 kV/µs (minimum) | 35 kV/µs |
| Supply Voltage Range (each side) | 2.375 V to 5.5 V | — |
| Operating Temperature Range | -40 °C to +125 °C (industrial) | — |
| Package | 16-pin SSOP (0.154", 3.90 mm body width) | 16-QSOP (0.154 inch / 3.90 mm width) |
| Mounting Type | Surface Mount | Surface Mount |
| Surge Withstand Capability | ±200 kV/µs | — |
| Isolation Barrier Life | 60 years (minimum) | — |
| Input Type | Schmitt-trigger | — |
| Output Default State | Low | — |
| RoHS Status | Compliant | Compliant |
| Jitter (typical) | 1.5 ns | — |
| MSL Level | 2 (1 year floor life) | 1 |
| Type | — | Digital Isolator, General Purpose |
| Isolation Voltage | — | 2500 Vrms |
| Data Rate | — | 150 Mbps |
| Supply Voltage (VDD) | — | 2.375 V to 5.5 V |
| Technology | — | CMOS Capacitive Isolation |
| Operating Temperature | — | -40 °C to +85 °C |
| Approximate Body Length | — | 4.90 mm (narrow body) |
| Fail-Safe Output | — | Supported |