特性
- Wideband digital active noise cancellation:
- Supports hybrid, feedforward, and feedback topologies
- Up to 35dB cancellation at 200Hz
- Over 2.5kHz suppression range
- 25μs input-to-output latency
- Dedicated fast equalization path for higher frequency noise canceling
- Dedicated calibration and tuning tool
- Ultra-low power consumption
- 5.8mW hybrid ANC playback
- Enhanced audio performance
- 115dB playback dynamic range
- 40kHz bandwidth supports Hi-Res Audio
- 4-wire digital audio interface with support for
- I2S, TDM, and other common audio formats
- Up to 32 bits per channel
- Up to 384kHz sample rate support
- Three stereo PDM inputs for digital microphones and low latency connection from host processors
- Integrated low-noise microphone bias
- Flexible DSP supporting mixing, gain, equalization, sidetone, and automatic gain control
- Bypassable asynchronous sample-rate converters
- Clocking
- Programmable fractional-N phase-locked loop (PLL)
- Sample rate tracking
- 2-wire I2C compatible control interface
描述
The SmartBeat™ DA7401 is a high-performance, ultra-low power mono Hi-Fi codec. Featuring Renesas' custom digital hybrid Active Noise Cancellation (ANC) technology, it offers stronger suppression of ambient noise over a wider range of frequencies for the best user experience in any environment.
With its integrated audio processor, the DA7401 delivers excellent audio performance including dynamic ranges of 115dB for playback as well as sampling rates up to 384kHz. It offers 40kHz audio bandwidth to support Hi-Res Audio. All this while consuming just 5.8mW during playback with ANC.
The DA7401 comes in a choice of compact packages. It is part of a family of pin-compatible codecs, helping you to develop a complete portfolio of headphone, headset, and earbud solutions for any application to impress even the most demanding user. It combines industry-leading audio and wideband hybrid digital active noise cancellation in a space-saving solution whose low-power consumption could enable longer playback times.
产品参数
| 属性 | 值 |
|---|---|
| ADC SNR A-weighted support(dB) @ 48kHz | 95 @ 1.8V |
| DAC SNR A-weighted support(dB) @ 48kHz | 115 @ 1.8V |
| Power Consumption During Record | 3mW @ 1.8V |
| Power Consumption During Playback | 8.5mW @ 1.8V |
| Headphone Power Output | 1 x 100mW @ 1.8V |
| Audio Interface | 2-wire |
| Advanced Features | Hybrid Active Noise Cancellation, Audio Processing Unit |
封装选项
| Pkg. Type |
|---|
| 32-WLCSP |
应用
- TWS earbuds
- In-ear headsets (USB-C)
- Hearables
