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4.4 运放的主要参数及简化低频等效电路

4.4 运放的主要参数及简化低频等效电路. 4.4.1 交流参数. 1 ． 开环差模电压增益 A u d. 2 ．开环带宽（ – 3dB 带宽） f H. 3 ．单位增益带宽 f BWG. 4 ． 单位增益上升速率 S R. U om. 0.1 U om. T set. 5 ． 建立时间 T set. 6 ． 最大差模输入电压 U IDM. 7 ． 最大共模输入电压 U ICM. 8 ． 最大输出电流 I OM. 9 ． 输出电压峰 —— 峰值 U opp. 4.4.2 直流参数. 1 ．输入失调电压 U IO. 2 ． 输入偏置电流 I IB.

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4.4 运放的主要参数及简化低频等效电路

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  1. 4.4 运放的主要参数及简化低频等效电路 4.4.1 交流参数 1．开环差模电压增益Aud 2．开环带宽（–3dB带宽）fH 3．单位增益带宽fBWG 4．单位增益上升速率SR

  2. Uom 0.1Uom Tset 5．建立时间Tset 6．最大差模输入电压UIDM 7．最大共模输入电压UICM 8．最大输出电流IOM 9．输出电压峰 ——峰值Uopp

  3. 4.4.2直流参数 1．输入失调电压UIO 2．输入偏置电流IIB 3．输入失调电流IIO 4．失调电压和失调电流的温漂 UIOT、IIOT

  4. (+) + + - - (-) 4.4.3 简化低频等效电路

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