ISO122JU/1K

Overview

The ISO122JU/1K is a high-speed, isolated digital isolator manufactured by Texas Instruments. It features dual-channel isolation with a data rate of up to 150 Mbps per channel. The device operates from a single supply voltage ranging from 3.0 V to 5.5 V for both the input and output sides. It provides galvanic isolation barrier performance with a maximum working isolation voltage of 5000 VRMS. The component is housed in an 8-pin SOIC package with wide body (SOIC-8W) and offers propagation delay times typically around 6 ns.

Feature Summary

• Provides robust galvanic isolation between input and output circuits
• Supports high-speed data transmission up to 150 Mbps
• Operates with single-supply voltage compatibility on both sides
• Features low power consumption characteristics

Applications

• Industrial automation systems requiring signal isolation
• Medical equipment needing patient isolation barriers
• Power electronics control interfaces
• Isolated communication buses such as RS-485 and CAN

Procurement Notes

Verify the exact part number suffix against official Texas Instruments documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the procurement source is authorized to guarantee authenticity and traceability. Check for any specific handling requirements related to electrostatic discharge protection during storage and installation.

Selection Notes

Select this component when dual-channel isolation with high data rates is required. Ensure the operating voltage range matches the system design constraints. Consider the propagation delay and jitter specifications for timing-sensitive applications. Verify that the isolation voltage rating meets the safety standards applicable to the end product.

Part Context

This device belongs to the ISO122x family of digital isolators designed for reliable signal transmission across isolation barriers. It complements other isolated components in complex electronic systems where noise immunity and safety are critical. The family includes variants with different pin counts and data rates to suit various application needs.

Replacement Considerations

Consult official substitution guides for compatible parts within the same isolation technology category. Ensure equivalent isolation voltage, data rate, and package dimensions before replacing. Verify that any substitute part maintains the same functional behavior and electrical characteristics.