This datasheet details the SSM3582, a high-efficiency digital input stereo Class-D audio amplifier with I2C control and filterless output.
The SSM3582 is a fully integrated, high efficiency, digital input stereo Class-D audio amplifier designed for mobile computing, portable electronics, wireless speakers, and televisions. It features a proprietary, filterless Σ-Δ modulation scheme that allows direct connection to the speaker without external filters, ensuring state-of-the-art analog performance while lowering radiated emissions.
| Supply Voltage Range (PVDD) | 4.5 V to 16 V |
|---|---|
| Signal-to-Noise Ratio | 106.5 dB |
| Total Harmonic Distortion + Noise (THD+N) | 0.004% at 5 W into 8 Ω |
| Output Power (Stereo, 16V, 8Ω) | 2 x 14.4 W |
| Power Efficiency (Stereo, 8Ω) | 93.8% |
| Operating Temperature Range | -40°C to +85°C |
The device supports low impedance loads as low as 3 Ω with 5 μH in stereo mode.
Yes, it supports I2C control with up to 16 pin-selectable slots/addresses.
It supports I2S, left justified, TDM slave, and multiple PCM audio serial data formats.