The SSM2304 is a fully integrated, high efficiency, Class-D stereo audio amplifier that is designed to maximize performance for portable applications.
The SSM2304 is a fully integrated, filter‑less Class‑D stereo audio amplifier designed for portable applications. It delivers up to 2 W into 4 Ω or 1.4 W into 8 Ω from a 2.5 V‑5.0 V supply, offers >98 dB SNR, and includes built‑in pop‑and‑click suppression and short‑circuit protection.
This handbook provides the device specifications, pin descriptions, typical performance curves, layout guidelines, and ordering information. It also includes application notes such as gain selection, EMI mitigation, and evaluation‑board details.
| Output Power (8 Ω) | 1.4 W |
|---|---|
| Efficiency (1.4 W into 8 Ω) | 85 % |
| Signal‑to‑Noise Ratio | >98 dB |
| Supply Voltage Range | 2.5 V – 5.0 V |
| Shutdown Current | 20 nA |
| Operating Temperature Range | -40 °C – +85 °C |
The device operates from a single supply of 2.5 V to 5.0 V.
The shutdown current is typically 20 nA.
The efficiency is 85 % at that condition.