{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*AD7911/AD7921,pdf datasheet (1.*\",\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":"-Gn7X2aRSFmN2hMyaNEUCA","reason":{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*AD7911/AD7921,pdf datasheet (1.*\",\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}
The AD7911/AD79211 are 10-bit and 12-bit, high speed, lowpower, 2-channel successive approximation
2009-09-07 14:30
AD7911/AD7921:2频道,2.35 V对5.250KSPS,10/12位ADCs数据谢伊
2021-04-29 08:13
的最大偏差。对于AD7911/AD7921,传输函数的端点是零标度,即第一个代码转换下的1个LSB点,以及满刻度,即最后一个代码转换上方的点1l***。微分非线性测量值
2020-09-08 17:45
AD7921参考代码
2021-03-18 09:30
AD7911_7921数据手册 ,有需要的下来看看。
2016-01-25 10:25
请问如何用AD8510驱动ad7921呢?
2023-11-22 08:32
The AD7911/AD79211 are 10-bit and 12-bit, high speed, low power, 2-channel successive approximation ADCs, respectively.
2017-10-10 15:03
请问如何用AD8510驱动ad7921呢?
2018-09-30 14:10
) { AD7921_SCLK_H;//SCLK=1if(data&0x8000) AD7921_DIN_H;//下降沿之前建立时间5nselse AD7921
2018-10-24 09:39
最近用到STM32F04单片机通过SPI功能读取AD7921芯片数据,读取到却始终是0.下面是我的代码,各位路过的大神帮忙看看看看看啊。拜托了,已困扰许久。#define SPI1
2019-11-16 14:52