SI8751AB-IS vs SI8641BD-B-ISR Comparison
Detailed side-by-side comparison of SI8751AB-IS by Skyworks Solutions and SI8641BD-B-ISR 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
SI8751AB-IS - 2.5kV Isolated FET Driver, CMOS Input | Skyworks
SI8751AB-IS ✓ ActiveSkyworks Solutions
SI8641BD-B-ISR - 5kVrms 4-Ch 150Mbps Digital Isolator | Skyworks
SI8641BD-B-ISR ✓ ActiveSpecification Comparison
| Parameter | SI8751AB-IS | SI8641BD-B-ISR |
|---|---|---|
| Brand | Skyworks Solutions | Skyworks Solutions |
| Category | Power MOSFET Drivers | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.84 | $1.62 |
| Isolation Voltage | 2500 Vrms | — |
| Isolation Type | Capacitive Coupling | — |
| Channels | 1 | — |
| Input Type | CMOS digital (pin control) | — |
| Input Supply Voltage | 2.25 V to 5.5 V | — |
| Output Drive Voltage | 10 V nominal | — |
| Input Current (turn-on) | 1 mA to 10 mA (programmable) | — |
| Turn-on Time (10 mA input) | 94 us | — |
| dV/dt Clamp | Internal (prevents unintended FET turn-on) | — |
| Package | 8-SOIC (narrow body) | 16-SOIC wide-body (0.295 inch / 7.5 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +125C | — |
| Automotive Qualification | AEC-Q100 (per Arrow listing) | — |
| RoHS Status | Compliant | Compliant |
| Datasheet Revision | 27 pages, 783 KB per alldatasheet | — |
| Isolation Rating | — | 5000 Vrms |
| Number of Channels | — | 4 |
| Data Rate | — | 150 Mbps |
| Common-Mode Transient Immunity (CMTI) | — | 35 kV/µs (minimum) |
| Propagation Delay | — | 8 ns (typical) |
| Supply Voltage Range (VDD1, VDD2) | — | 2.375 V to 5.5 V |
| Operating Temperature Range | — | -40C to +125C |
| Isolation Technology | — | CMOS capacitive / RF digital isolation |
| Default Output State | — | Fail-safe high or fail-safe low (option dependent) |
| Enable Pin | — | Yes |
| Channel Direction | — | Bidirectional / unidirectional configurations available in family |
| MSL Level | — | 3 |