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目前在选一颗用于TIA(OPA855)后级的运放，推荐下型号【放大倍数4，信号带宽≥400MHz，供电±2.5或±5V（优先），运放输出信号直接用带SMA接口的射频线缆传输到主控】
您好，
下方为TI高速运放选型工具，您可以根据您的需求做进一步筛选。
https://www.ti.com/amplifier-circuit/op-amps/high-speed/products.html#23typ=1600%3B8000&1261min=5%3B14&
