ISL54005IRTZ

Audio Amplifiers Overview

The ISL54005IRTZ is a Class AB audio power amplifier manufactured by Intersil, housed in a 20-TQFN (4x4 mm) surface-mount package. It delivers 1.23W of output power into an 8-ohm load and 215mW into two stereo headphone loads. The device operates on a single supply voltage ranging from 2.7V to 5.5V. Key electrical characteristics include thermal protection and input multiplexer functionality integrated within the mono channel configuration.

Audio Amplifiers Feature Summary

• Class AB topology for high-fidelity audio reproduction
• Integrated thermal protection circuitry
• Input multiplexer capability for signal routing
• Shutdown mode for power management

Audio Amplifiers Applications

• Mono audio amplification in portable devices
• Stereo headphone driver circuits
• Consumer electronics with limited power budgets

Audio Amplifiers Procurement Notes

Verify component authenticity through authorized Renesas or Intersil distributors. Confirm RoHS compliance status via official datasheets. Check for End-of-Life (EOL) notifications as availability may be restricted. Ensure packaging integrity matches TQFN specifications during receipt inspection.

Audio Amplifiers Selection Notes

Select this component for applications requiring a single-channel mono amplifier with moderate power output. Consider the 2.7V to 5.5V supply range compatibility with existing system rails. Evaluate the 20-TQFN footprint against PCB layout constraints. Verify thermal dissipation requirements for the intended enclosure environment.

Audio Amplifiers Part Context

This part belongs to the Intersil audio amplifier family, designed for low-power consumer electronics. It complements other signal chain components by providing efficient analog amplification. The TQFN package supports compact design strategies common in modern mobile and wearable technology sectors.

Audio Amplifiers Replacement Considerations

Consult official Renesas cross-reference guides for verified substitutes. Ensure replacement parts match the 20-TQFN pinout and thermal performance. Verify that alternative amplifiers support the same 2.7V–5.5V operating voltage range.