Part Number:TLV320ADC5140
TLV320ADC5140 has a lot of noise, and the software is set to default. There are no issues with power ripple and noise. Is there a problem with the settings?
您好，
输入模拟信号是怎样的？输入模拟信号本身是否有噪声？
您差分输入为0的时候，输出噪声也很大吗？
MCLK输入频率多少？看下是否满足时钟输入要求：
[FAQ] TLV320ADC5140: MCLK Input Clock Requirements
另外，下面FAQ讲了音频ADC常见噪声问题，您可以对照检查下：
[FAQ] Audio CODECs and ADCs: Common Noise Issues
TLV320ADC5140: TLV320ADC5140 audio delay
TLV320ADC5140: TLV320ADC5140音频耦合电容，极性位置摆放有要求？
TLV320ADC5140: PDM时钟配置
TLV320ADC3140: tlv320adc3140如何通过I2c总线配置寄存器?TLV320ADC5140: 如何使用非TI的arm来配置tlv320adc5140？
TLV320ADC5140作为I2S从机，无法正常工作。读取0x76寄存器为0，显示ADC通道没有工作，读取0x15寄存器为0xff。
tlv320adc5140配置完成读取0x77状态寄存器显示Device is in active mode with all ADC or PDM channels turned of
TI官网上的Linux Driver for TLV320ADC5140, TLV320ADC6140,TLV320ADC3140的.c和.h文件下载
TI中文支持网