[经验]

新品# 极小的芯片面积，超强音质ANC codec ADAU1850主动降噪芯片

ben111

2021-8-23 11:12:42

5127 降噪

ADAU1850相比上款产品拥有极小的芯片面积，超强音质ANC codec，以更低的成本提供更精确降噪的可能。

adau1850[1].pdf (1.95 MB, 下载次数: 8 )

eval-adau1850-ug-2006[1].pdf (2.4 MB, 下载次数: 0 )

ADAU1850详细参数特征：

1、28pin，0.4 mm pitch, 3.0 mm ×1.8 mm 晶圆级封装。

2、最低5us端到端延迟, 提供更精确降噪的可能。

3、可编程的高效FastDSP音频处理器。

（1）高达768 kHz的采样率

（2）双二阶滤波器、限制器、音量控制、混频

4、3通道低延迟24位ADC，支持3个模拟麦克风输入和4个数字麦克风输入。

（1）106 dB SNR（信号通过具有A加权滤波器的PGA和ADC）

（2）支持差分单端输入切换

5、高性能DAC。

（1）支持差分输出, HPAMP （class AB）可被配置为高低电源以节省功耗。（2）最高110dB SNR(AWT) / 90dB THD

6、提供ANC 滤波器开发工具，帮助客户生成滤波器参数。

7、提供ANC整体算法，和参考设计。

软件模块ZIP
141.96 M

Lark Studio (Rev. 2.1.0)Lark Studio is a standalone Windows Graphical User Interface (GUI) tool for programing and tuning software on the Lark/Lark-Lite/SSM6515. Lark Studio includes intuitively reading/writing control registers, and providing a drag and drop interface for user to design FastDSP schematic, which can be downloaded to the target directly. It also supports safe loading, generating C source files, calculating tables of filter coefficients and visualizing filter magnitude & phase response. It also supports EQ configuration, along with calculating tables of filter coefficients and visualizing filter magnitude & phase response, generating C source files, and download to the target.

ZIP
4.35 M

Lark SDK Setup (Rev. 2.0.5)Lark SDK is embedded firmware package, including driver for all hardware modules of ADAU1860 and ADAU1850. It is delivered in source code format and also featured by log support, friendly high level APIs, etc