The MAX98306 is a stereo 3.7W Class D amplifier that combines Class AB audio performance with Class D efficiency. It offers five selectable gain settings and features excellent EMI performance, low quiescent current, and thermal/overcurrent protection.
The MAX98306 stereo Class D amplifier delivers Class AB audio performance with Class D efficiency. It offers five selectable gain settings (6 dB‑18 dB) and includes active emissions limiting, spread‑spectrum modulation, and click‑and‑pop suppression for low‑noise operation.
The device is supplied in a 14‑pin TDFN package (3 mm × 3 mm × 0.75 mm) and operates from 2.6 V to 5.5 V, drawing only 2.7 mA quiescent current. It provides up to 3.7 W output into a 3 Ω load with up to 92 % efficiency and includes thermal‑shutdown and over‑current protection.
| Efficiency | up to 92 % |
|---|---|
| Gain Settings | Five selectable gains: 6 dB, 9 dB, 12 dB, 15 dB, 18 dB |
| Thermal‑Shutdown Level | +150 °C |
| Package | 14‑pin TDFN (3 mm × 3 mm × 0.75 mm) |
| Operating Temperature Range | -40 °C to +85 °C |
There are five selectable gain settings: 6 dB, 9 dB, 12 dB, 15 dB, and 18 dB.