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OPA334放大器经常坏

Other Parts Discussed in Thread: OPA334

OPA334放大器经常出现焊接完毕,电路板第一次上电测试就出现OPA334故障,查电路设计,单电源5V,最大共模电压小于2.1V,采用白光焊台手工焊接,静电保护措施均设置,焊接温度350度。请专家分析原因