SI8241CB-D-IS1

Audio Special Purpose Overview

The SI8241CB-D-IS1 is a dual-channel isolated gate driver from the Si824x family, designed for Class D audio amplifier applications. It features high-side and low-side outputs in a 16-SOIC package. The device operates on a single 4.5 V to 5.5 V supply voltage and provides a peak output current of 3.6 mA. Key specifications include 2500 Vrms input-to-output isolation and 1500 Vrms output-to-output isolation.

Audio Special Purpose Feature Summary

• Dual isolated gate drivers (High-Side and Low-Side)
• Peak output current: 3.6 mA
• Supply voltage range: 4.5 V to 5.5 V
• Isolation ratings: 2500 Vrms I-O, 1500 Vrms O-O
• Operating temperature range: -40°C to +125°C
• Package: 16-SOIC

Audio Special Purpose Applications

• Class D digital audio amplifiers
• Audio power stages requiring galvanic isolation

Audio Special Purpose Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm insulation ratings and UVLO thresholds. Ensure compliance with RoHS standards and check for humidity sensitivity handling requirements during storage and assembly.

Audio Special Purpose Selection Notes

Select this component for designs requiring precise dead-time control to minimize crossover distortion in Class D amplifiers. The 3.6 mA peak output current is suitable for driving small-signal MOSFETs or pre-drivers in lower-power audio stages, distinct from higher-current variants like the Si8244 (4.0 A). Confirm that the system switching frequency remains within the operational limits defined in the datasheet.

Audio Special Purpose Part Context

This part belongs to the Si824x series of isolated drivers designed specifically for Class D audio applications. The family includes variants with different peak output currents, such as the Si8244 which offers 4.0 A. All devices in this series utilize proprietary semiconductor-based isolation technology.