{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*OPA1641,OPA1642,OPA1644,pdf(So.*\",\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\" : \".*OPA1641,OPA1642,OPA1644,pdf(So.*\",\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 OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion
2010-09-15 20:24
电子发烧友网为你提供TI(ti)OPA1644相关产品参数、数据手册,更有OPA1644的引脚图、接线图、封装手册、中文资料、英文资料,OPA1644真值表,OPA1644
2018-11-02 18:11
电子发烧友网为你提供TI(ti)OPA1641相关产品参数、数据手册,更有OPA1641的引脚图、接线图、封装手册、中文资料、英文资料,OPA1641真值表,OPA1641
2018-11-02 18:11
OPA164x SoundPlus™ High-Performance, JFET-Input Audio Operational Amplifiers datasheet (Rev. D)
2022-11-04 17:22
电子发烧友网为你提供TI(ti)OPA1642相关产品参数、数据手册,更有OPA1642的引脚图、接线图、封装手册、中文资料、英文资料,OPA1642真值表,OPA1642
2018-11-02 18:11
OPA1641是否可做PA级跨阻放大器?我查了Ti的跨阻放大器都相关系的芯片,比如LMP7721,其有专门连接到GUARDRING上的引脚,那么对于OPA1641,没有专门连接到GUARING上
2024-08-09 07:16
大家好。我使用OPA1642+OPA1622搭建了一个简单耳放电路,OPA1642接电流输出型dac作IV转换,OPA1622作差分运放接耳机负载。我发现音频段内所有频率都会有很大的失真,不知道问题出在哪里,还请工
2024-08-16 08:24
我在做一个差分和伪差分输出转换的电路,但是在伪差分的情况下遇到下面的问题,用理想运放仿真负端就不会出现类似方波的情况,但是用OPA1642就有这个问题,方波的峰峰值大概5V,请帮忙看看是否是前端电阻匹配的不合适,两个输入信号是相位相差180度,峰值为5V的正弦波,谢谢
2019-08-01 06:38