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Product Detailed Parameters
- Description：LINEAR IC
- Series：-
- Package：Tube
- Mfr：Econ Connect
- PLL：-
- Input：-
- Output：-
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- Frequency - Max：-
- Divider/Multiplier：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
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Overview
The SI88422BD-AS is a dual-channel digital isolator from the Si88x2x family, manufactured by Skyworks Solutions. It integrates an isolated DC-DC converter capable of delivering up to 5 W peak output power with external components. The device supports data rates up to 100 Mbps and features a typical propagation delay of 18 ns. It provides isolation ratings up to 5000 Vrms and operates within a temperature range of -40°C to +125°C. The component utilizes capacitive coupling technology and is available in SOIC-16 wide-body packages.
Feature Summary
- Integrates high-speed digital isolation channels with an on-chip isolated DC-DC converter for complete system power and signal isolation.
- Features fully integrated secondary sensing feedback controlled converter with dithering capability to minimize electromagnetic interference emissions.
- Supports flexible voltage conversion configurations including standard voltage translation and high-voltage input/output applications.
Applications
- Industrial automation systems
- Hybrid electric and electric vehicles
- Isolated power supplies
- Motor control circuits
Procurement Notes
Verify the manufacturer designation as Skyworks Solutions Inc., as Econ Connect is not the primary producer. Confirm the specific package variant (SOIC-16) and ensure compliance with automotive-grade requirements if applicable to the target design. Cross-reference the datasheet revision date to ensure alignment with current manufacturing specifications.
Selection Notes
Select this component when a compact solution combining dual-channel signal isolation and isolated power generation is required. Ensure the application voltage levels align with the device's capabilities, particularly noting that the Si884xx series is intended for high-voltage to low-voltage or high-voltage to high-voltage configurations exceeding 5.5 V on the primary side.
Part Context
This part belongs to the Si88x2x family of dual digital isolators with integrated DC-DC converters. The '4' in the model number indicates it is designed for high-voltage primary side applications (greater than 5.5 V), distinguishing it from the Si882xx and Si883xx series which are optimized for low-voltage inputs.
Replacement Considerations
SI88422BC-ISR
FAQ
What is the maximum isolation rating for the SI88422BD-AS?
The device provides an isolation rating of up to 5000 Vrms.
Does the SI88422BD-AS include an internal DC-DC converter?
Yes, it integrates an on-chip isolated DC-DC converter that can provide regulated output voltages with peak power levels up to 5 W using external components.
What type of isolation barrier does this device use?
It uses a silicon dioxide capacitive isolation barrier between the RF transmitter and receiver.
