DA7217 High-Performance Low-Power Audio Codec Renesas / Dialog DA7217 High-Performance Low-Power Audio Codec is a device optimized for use in headsets or wearable devices. This device has differential headphone outputs for use inside headset devices, offering excellent left-to-right channel separation and common mode noise rejection. The DA7217 also has a stereo DAC to headphone output path and ultra-low-power operating modes to support always-on audio detection applications. DA7217 contains two analog microphone input paths, up to four digital microphone input paths, or a combination of both. The other chip in this family, the DA7218, has single-ended headphone outputs and has been designed with headphone detection for use in accessories.