单选题 下列对集成电路运算放大器描述正确的是()。

A、 是一种低电压增益、高输入电阻和低输出电阻的多级直接耦合放大电路
B、 是一种高电压增益、:低输入电阻和低输出电阻的多级直接耦合放大电路
C、 是一种高电压增章、高输入电阻和高输出电阻的多级直接耦合放大电路次
D、 是一种高电压增验、高输入电阻和低输出电阻的多级直接耦合放大电路
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