{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*ADS1274,pdf (Quad/Octal, 24-Bi.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1"}],"type":"search_phase_execution_exception","reason":"all shards failed","phase":"query","grouped":true,"failed_shards":[{"shard":0,"index":"recommend_keyword_search_v1","node":"c8Ry91qkQA6igO07LZRl5w","reason":{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*ADS1274,pdf (Quad/Octal, 24-Bi.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1","caused_by":{"type":"illegal_argument_exception","reason":"expected ')' at position 34"}}}]},"status":400}
1、ADS1274的端口只供电,其他接口不接。我用tps70451,通过使能端,先给ads1274的DVDD供1.8v,然后IOVDD供3.3v,最后用tps7a3700,通过使能端,给
2025-01-02 06:54
最近在用ADS1274+M3做一个数据采集的项目,安装ADS1274evm电路图配置的电路图,驱动器用的opa1632.当只焊接上ADS1274时,将DIN拉低,配置SPI模式、低速模式,供给
2025-02-06 07:07
请问TI的ADS1274和ADS1234的区别是什么? 1. 好像ADS1234最大增益128,不知道在最大增益128的情况下,前段的桥式压力信号还能否继续放大后作为输入信号? 2. 另外如果对于
2025-01-02 08:29
最近项目作数据采集卡,采集传感器的模拟信号,信号小于20mv。 采集卡的模拟部分使用1:1的THS4521+ADS1274组成,差分信号输入,基本上照搬ADS1274数据手册上推荐的电路,应用正常
2024-12-23 07:29
ADS1274/ADS1278的性能特点ADS1274/ADS1278引脚功能说明ADS1274/
2021-04-07 06:24
1、ADS1274和ADS1294有什么区别吗?如果我想选一个四通道的24位数据采集系统,采集对象的模拟前端为运放的输出,选哪一个好,ADS1294是不是只用于ECG
2025-02-14 08:20
ADS1274/ADS1278的性能特点ADS1274/ADS1278的引脚功能说明ADS1274/
2021-04-22 06:10
请问TI工程师,ADS1274单端转差分输入用的THS4521放大器的输出VOUT+ 是接ADS1274的AINP还是接AINN?因为在ADS1274数据手册的推荐电路中VOUT+接的是AINN,而在THS4521
2025-02-07 07:56
请问ADS1274的采样率怎么变化?需要采样率从100Hz到48KHz可选,这是通过什么来设置的?
2025-01-02 06:06
里的数据都不取,从第三个sclk的上升沿开始取24个数。然后我用signaltap仿真发现,数据只有22位。首先这里我不是很理解,还有就是ADS1274的时序问题,数据是在drdy下降沿后的24个sclk
2024-12-09 06:42