This is an audio codec that supports stereo audio DAC and ADC, with 100dB SNR and 93dB SNR, and is used in applications such as Soundbar, Flat Panel Television, MP3 Docking stations, Cell Phone Docking Stations, Other Stereo or 2.1 Home Audio systems.
This guide introduces the PCM3070 stereo audio codec, highlighting its DAC with 100 dB SNR, ADC with 93 dB SNR, extensive signal‑processing options, and flexible programmable I/O. It outlines typical applications such as soundbars, TV audio, MP3 docking stations, and cell‑phone docks.
The document details multifunction pin assignments, analog audio I/O routing, headphone driver capabilities, and the full register map, including DAC/ADC miniDSP instruction tables. It also provides configuration examples, register settings for pin multiplexing, and guidelines for supply voltages and PLL clock ranges.
| Stereo Audio DAC SNR | 100 dB |
|---|---|
| Stereo Audio ADC SNR | 93 dB |
| Package | 5 mm × 5 mm 32‑pin QFN |
| Analog supply voltage range | 1.5 V–1.95 V |
| Digital supply voltage range | 1.26 V–1.95 V |
| Programmable gain range | 0 dB to +47.5 dB |
| Number of analog inputs | 6 |
| Maximum headphone load (single‑ended) | 16 Ω |
The PCM3070 is offered in a 5 mm × 5 mm 32‑pin QFN package.
The analog supply voltage range is 1.5 V to 1.95 V.
The device provides six analog inputs that can be configured in single‑ended or differential modes.
In single‑ended mode the headphone drivers can drive loads down to 16 Ω.