The SSM2604 is a low power, high quality stereo audio codec for portable digital audio devices. It features 24-bit analog-to-digital and digital-to-analog converters, 100 dB DAC SNR, 90 dB ADC SNR, low power consumption, and low voltage supply.
The SSM2604 is a low‑power, high‑quality stereo audio codec designed for portable digital audio applications. It features 24‑bit ADC and DAC channels, programmable gain amplifiers, and can operate as either master or slave with a wide range of sampling rates.
The document includes detailed specifications, pin configurations, timing diagrams, absolute maximum ratings, and thermal resistance data, helping designers integrate the codec into mobile phones, MP3 players, portable gaming devices, and other portable electronics.
| DAC SNR (A‑weighted) | 100 dB |
|---|---|
| ADC SNR (A‑weighted) | 90 dB |
| Power consumption (stereo playback, 1.8 V/1.5 V supplies) | 7 mW |
| Analog supply voltage range | 1.8 V to 3.6 V |
| Digital supply voltage range | 1.5 V to 3.6 V |
| Operating temperature range | ‑40 °C to +85 °C |
| Package | 20‑lead, 4 mm × 4 mm LFCSP |
| Input impedance (PGA gain = 0 dB) | 200 kΩ |
The analog supply voltage can be between 1.8 V and 3.6 V.
The DAC provides a 100 dB (A‑weighted) signal‑to‑noise ratio.
It consumes 7 mW for stereo playback under those supply conditions.
The device is rated up to +85 °C for normal operation.