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OPA322: 我用这款放大器按照TEXAS INSTRUMENTS上面的电路来搭建,为什么仿真结果和实际差别有点大

Part Number: OPA322
Other Parts Discussed in Thread: OPA380

这是OPA322用于光电放大的文档:光电二极管放大器电路 (Rev. A) (ti.com.cn)

这是我用TINA搭建的和PDF一样的电路:其中信号源是带有1.2uA直流偏置的1.2uA的20khz的正弦波,如图示。 我经过仿真,发现输出信号的最大幅值到不了4.9V,而且最低点也到不了0.1V,如图所示,这是为什么呢?