| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | OP490G | Low Voltage Micropower Quad Operational Amplifier | 1866K |
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| 2 | OP490GP | Low Voltage Micropower Quad Operational Amplifier | 247K |
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| 3 | OP490GP | Low Voltage Micropower Quad Operational Amplifier | 1866K |
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| 4 | OP490GS | Low Voltage Micropower Quad Operational Amplifier | 247K |
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| 5 | OP490GS | Low Voltage Micropower Quad Operational Amplifier | 1866K |
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