ISOW7842DWER

Overview

The ISOW7842DWER is a high-voltage, quad-channel digital isolator from Texas Instruments featuring integrated power. It provides 5000-Vrms reinforced isolation across four channels with a 2/2 configuration. The device supports data rates up to 100 Mbps and offers common-mode transient immunity of 100 kV/µs. Operating supply current is 51 mA. Propagation delay time is 13 ns. The component operates within a temperature range of -40°C to +125°C. It utilizes a 16-SOIC package with a width of 7.50 mm (0.295 inches).

Feature Summary

• Integrated high-efficiency DC-DC converter with on-chip transformer for isolated power delivery.
• Robust isolation barrier ensuring safety compliance in high-voltage environments.
• Wide operating supply voltage range supporting 3-V to 5.5-V applications.

Applications

• Industrial automation systems requiring galvanic isolation.
• Medical equipment needing reinforced isolation barriers.
• Power electronics control circuits.

Procurement Notes

Verify the complete part number including suffixes such as 'DW' for package type and 'ER' for tape-and-reel packaging. Confirm that the specific variant matches the required isolation voltage and channel count. Ensure compatibility with the intended operating temperature range and supply voltage specifications before procurement.

Selection Notes

Select this component when reinforced isolation and integrated power are required in a single package. Consider the 100 Mbps data rate and 100 kV/µs CMTI for high-speed, noisy environments. Evaluate the 16-SOIC footprint against available PCB space. Compare propagation delay characteristics against system timing requirements.

Part Context

This device belongs to the ISOW784x family of high-performance digital isolators. It combines signal isolation with power conversion to simplify system design. The series targets applications demanding high reliability and safety standards. Other variants in the family may differ in channel count or isolation ratings.

Replacement Considerations

Direct substitutes include other ISOW784x variants with matching pinouts and electrical characteristics. Verify equivalent isolation voltage and data rate capabilities. Ensure compatible package dimensions and thermal performance for direct replacement scenarios.