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[问答]

请问AD8015芯片能否采用直流光进行光电检测?

请问AD8015芯片能否采用直流光进行光电检测?

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陈桂兰

2018-8-9 07:17:40
可以但不合适。“The AD8015 is a wide bandwidth, single supply transimpedance amplifier optimized for use in a fiber optic receiver circuit. It is a complete, single chip solution for converting photodiode current into a differential voltage output. The 240 MHz bandwidth enables AD8015 application in FDDI receivers and SONET/SDH receivers with data rates up to 155 Mbps.”可见,AD8015并不适合对DC输入电流信号进行IV转换,它的直流误差是很大的。
建议用高精度的运放做IV转换,比如AD8605.
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