SSM2375CBZ-REEL7

Overview

The SSM2375CBZ-REEL7 is a mono Class-D audio amplifier from Analog Devices, operating on a single supply voltage between 2.5 V and 5.5 V. It delivers up to 3 W into a 3 Ω load and 1.4 W into an 8 Ω load at 5.0 V with less than 1% total harmonic distortion. The device utilizes spread-spectrum Σ-Δ modulation for filterless operation, achieving 93% efficiency at 1.4 W output. It features a 100 dB signal-to-noise ratio, 80 dB power supply rejection ratio at 217 Hz, and a fixed input impedance of 80 kΩ. Shutdown current is typically 20 nA.

Feature Summary

• Filterless design using spread-spectrum Sigma-Delta modulation eliminates the need for external output filters.
• User-selectable gain adjustment via pin configuration ranging from 0 dB to 12 dB in 3 dB steps.
• Ultralow EMI emissions mode significantly reduces radiated emissions above 100 MHz.
• Integrated pop-and-click suppression minimizes audible transients during power-up and shutdown.

Applications

• Mobile phones
• MP3 players
• Portable electronics

Procurement Notes

Verify the specific ordering suffix REEL7 against the manufacturer's official documentation to confirm packaging details. Ensure compatibility with the required temperature range and package type before integration. Cross-reference the datasheet revision history for any updates to electrical characteristics or application circuit recommendations.

Selection Notes

Select this component for applications requiring high efficiency and minimal external components. The fixed input impedance simplifies interface design across different platforms. Consider the ultralow EMI mode if the design must pass strict regulatory emission testing without shielding.

Part Context

This part belongs to the SSM2375 series of high-efficiency Class-D audio amplifiers. It is designed specifically for mobile phone applications where board space and battery life are critical constraints. The device integrates protection features including thermal shutdown and short-circuit protection with autorecovery.

Replacement Considerations

SSM2335CBZ-REEL