The PCM3793A is a 16-bit, low-power, stereo audio codec with microphone bias, headphone, and digital speaker amplifier.
The PCM3793A and PCM3794A are 16‑bit low‑power stereo audio CODECs that integrate microphone bias, headphone amplification and a digital speaker amplifier. They support I²C or SPI serial control, programmable gain, tone control, and various analog front‑end functions.
The document provides detailed electrical characteristics, pin assignments, functional block diagrams, performance curves, and absolute maximum ratings. It is intended for designers of portable audio players, cellular phones, camcorders and other digital audio applications.
| Supply voltage (digital core) | 1.71 V to 3.6 V |
|---|---|
| Supply voltage (analog front‑end) | 2.4 V to 3.6 V |
| Sampling frequency range | 5 kHz to 50 kHz |
| DAC dynamic range | 93 dB |
| Package | 5 mm × 5 mm QFN |
The DAC provides a dynamic range of 93 dB.
The device supports sampling frequencies from 5 kHz up to 50 kHz.