Digital Isolator Device SKYWORKS SI8631AB-B-IS with 1 Mbps Data Rate and 2.5 kVRMS Isolation Rating
Product Overview
Skyworks' Si86xx family of ultra-low-power digital isolators are CMOS devices designed to provide robust, high-speed data isolation. They offer significant advantages in data rate, propagation delay, power consumption, size, and reliability compared to traditional isolation technologies. These isolators maintain stable operating parameters across wide temperature ranges and throughout their service life, simplifying design and ensuring uniform performance. Key features include Schmitt trigger inputs for high noise immunity, no start-up initialization required, and support for data rates up to 1 Mbps. All devices are safety certified and support withstand ratings up to 2.5 kVRMS, with automotive-grade options available for demanding applications.
Product Attributes
- Brand: Skyworks
- Certifications: UL, CSA, VDE, CQC, AEC-Q100 (Automotive Grade)
- Material: CMOS
- Compliance: RoHS-compliant packages, AIAG compliant PPAP documentation support, IMDS and CAMDS listing support (Automotive Grade)
Technical Specifications
| Ordering Part Number (OPN) | Automotive OPN | Number of Inputs (VDD1 Side) | Number of Inputs (VDD2 Side) | Max Data Rate (Mbps) | Default Output State | Isolation Rating (kV) | Package |
| Si8610AB-B-IS | Si8610AB-AS | 1 | 0 | 1 | Low | 2.5 | SOIC-8 |
| Si8620AB-B-IS | Si8620AB-AS | 2 | 0 | 1 | Low | 2.5 | SOIC-8 |
| Si8621AB-B-IS | Si8621AB-AS | 1 | 1 | 1 | Low | 2.5 | SOIC-8 |
| Si8630AB-B-IS | Si8630AB-AS | 3 | 0 | 1 | Low | 2.5 | WB SOIC-16 |
| Si8630AB-B-IS1 | Si8630AB-AS1 | 3 | 0 | 1 | Low | 2.5 | NB SOIC-16 |
| Si8631AB-B-IS | Si8631AB-AS | 2 | 1 | 1 | Low | 2.5 | WB SOIC-16 |
| Si8631AB-B-IS1 | Si8631AB-AS1 | 2 | 1 | 1 | Low | 2.5 | NB SOIC-16 |
| Si8640AB-B-IS1 | Si8640AB-AS1 | 4 | 0 | 1 | Low | 2.5 | NB SOIC-16 |
| Si8640AB-B-IS | Si8640AB-AS | 4 | 0 | 1 | Low | 2.5 | WB SOIC-16 |
| Si8641AB-B-IS1 | Si8641AB-AS1 | 3 | 1 | 1 | Low | 2.5 | NB SOIC-16 |
| Si8641AB-B-IS | Si8641AB-AS | 3 | 1 | 1 | Low | 2.5 | WB SOIC-16 |
| Si8642AB-B-IS1 | Si8642AB-AS1 | 2 | 2 | 1 | Low | 2.5 | NB SOIC-16 |
| Si8642AB-B-IS | Si8642AB-AS | 2 | 2 | 1 | Low | 2.5 | WB SOIC-16 |
| Si8650AB-B-IS1 | Si8650AB-AS1 | 5 | 0 | 1 | Low | 2.5 | NB SOIC-16 |
| Si8651AB-B-IS1 | Si8651AB-AS1 | 4 | 1 | 1 | Low | 2.5 | NB SOIC-16 |
| Si8652AB-B-IS1 | Si8652AB-AS1 | 3 | 2 | 1 | Low | 2.5 | NB SOIC-16 |
| Si8660AB-B-IS1 | Si8660AB-AS1 | 6 | 0 | 1 | Low | 2.5 | NB SOIC-16 |
| Si8661AB-B-IS1 | Si8661AB-AS1 | 5 | 1 | 1 | Low | 2.5 | NB SOIC-16 |
| Si8662AB-B-IS1 | Si8662AB-AS1 | 4 | 2 | 1 | Low | 2.5 | NB SOIC-16 |
| Si8663AB-B-IS1 | Si8663AB-AS1 | 3 | 3 | 1 | Low | 2.5 | NB SOIC-16 |
Key Features
- High-speed operation: DC to 1 Mbps
- No start-up initialization required
- Wide Operating Supply Voltage: 2.5 to 5.5 V
- Up to 2500 VRMS isolation
- 60-year life at rated working voltage
- High electromagnetic immunity
- Ultra low power (typical): 1.6 mA per channel at 1 Mbps (5 V Operation), 1.5 mA per channel at 1 Mbps (2.5 V Operation)
- Tri-state outputs with ENABLE
- Schmitt trigger inputs
- Transient Immunity: 50 kV/s
- AEC-Q100 qualification
- Wide temperature range: 40 to 125 C
- RoHS-compliant packages: SOIC-16 wide body, SOIC-16 narrow body, SOIC-8 narrow body
- Automotive-grade OPNs available
Applications
Industrial Applications
- Industrial automation systems
- Medical electronics
- Isolated switch mode supplies
- Isolated ADC, DAC
- Motor control
- Power inverters
- Communication systems
Automotive Applications
- On-board chargers
- Battery management systems
- Charging stations
- Traction inverters
- Hybrid Electric Vehicles
- Battery Electric Vehicles
2411220317_SKYWORKS-SI8631AB-B-IS_C6228642.pdf
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