Renesas / Dialog DA7218 High-Performance Low-Power Audio Codec
Renesas / Dialog DA7218 High-Performance Low-Power Audio Codec is a device optimized for use in portable applications or wearable devices. The DA7218 has single-ended headphone outputs with headphone detect for use in accessories, offering excellent left to right channel separation and common mode noise rejection.
The DA7218 also has a stereo DAC to headphone output path and ultra-low-power operating modes to support always-on audio detect applications. It 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 DA7217 has differential headphone outputs without headphone detect and has been designed for use inside headset devices.
Features
- High-performance stereo DAC to headphone playback path with 110dB dynamic range
- 4mW stereo playback power consumption
- DAC digital filters with audio and voice mode options, five-band equalizer, and five programmable biquad stages
- Dedicated low-latency digital sideband filter with three programmable biquad stages
- High-performance microphone to ADC record path with a 105dB dynamic range
- 2.5mW stereo record power consumption
- ADC digital filters with audio and voice mode options
- 500μW always-on record mode with automatic level detection
- Hybrid analog/digital automatic level control to dynamically control the record level
- Shutdown mode offering current consumption during standby of 2.5μA
- Two low-noise microphone bias regulators with the programmable output voltage and ultra-low power mode
- Ability to differentiate between stereo and mono headsets
- Automatic detection of headset removal and confirmation of headset insertion
Applications
- Wired headsets
- Wired headphones
- Audio accessories
- Portable gaming controller
- Tablets and eReaders
- Gaming console controllers
DA7218 Block Diagram
Associated Tool
Renesas / Dialog DA7218-EVAL Codec Evaluation Board
Designed to allow measurement and evaluation of the DA7218, a low power audio codec.
Associated Products
Renesas / Dialog DA7217 High-Performance Low-Power Audio Codec
Offers excellent left to right channel separation and common mode noise rejection.
Associated Solutions
Renesas Electronics Human Machine Interface Solutions for Appliances
Revolutionize interactions for appliances like refrigerators and microwave ovens.