HI1-0547-5

Overview

The HI1-0547-5 is a high-performance analog multiplexer switch IC manufactured by Renesas Electronics Corporation. It features an annealed design for superior signal integrity and includes overvoltage protection (OVP) on its channels. The device operates with dual power supplies, supporting a maximum supply voltage of 22V and a maximum dual supply voltage of 18V. It provides two independent channels with an 8:1 multiplexing configuration. Key electrical parameters include a maximum on-resistance of 1.8 kOhms, a maximum operating frequency of 300 ns for both turn-on and turn-off times, and a maximum supply current of 2 mA. The component is housed in a 28-pin PLCC package and is rated for operation within a temperature range of 0°C to +75°C.

Feature Summary

• Annealed architecture ensures stable performance and low distortion for precision analog signals.
• Integrated overvoltage protection safeguards internal circuitry against input signal excursions beyond supply rails.
• Dual-channel design allows simultaneous independent switching operations within a single integrated circuit.

Applications

• Precision data acquisition systems requiring isolated channel selection
• Medical instrumentation where signal integrity and protection are critical
• Industrial process control equipment utilizing analog sensor inputs

Procurement Notes

Verify the specific suffix designation carefully, as manufacturing variations may exist within the product line. Confirm RoHS compliance status directly with the manufacturer or authorized distributors, as historical batches may differ. Ensure that the 28-pin PLCC package footprint matches your PCB layout requirements exactly. Check for end-of-life notifications or production change notices prior to finalizing procurement plans to mitigate long-term supply risks.

Selection Notes

Select this component when high isolation and robust overvoltage protection are required for analog signal routing. The annealed technology makes it suitable for applications demanding minimal signal degradation. Consider the 1.8 kOhm on-resistance limit to ensure it meets the voltage drop requirements of your specific load. Verify that the 22V maximum supply rating aligns with your system's power distribution network to prevent device damage during transient events.

Part Context

This part belongs to the HI4P0547 series of multiplexer switches, which are designed for high-reliability analog switching applications. The series is characterized by its annealed construction, which enhances consistency and reduces charge injection effects compared to standard CMOS switches. It serves as a specialized solution for engineers needing protected, multi-channel signal management in compact packages.

Replacement Considerations

Consult official substitution guides for compatible parts within the same family. Verify pin compatibility and electrical specifications before replacing. No direct public substitute part numbers are confirmed for this specific model variant.