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    • 1. 发明申请
    • MULTI-INPUT DIFFERENTIAL AMPLIFIER AND LIGHT EMITTING ELEMENT DRIVING DEVICE
    • 多输入差分放大器和发光元件驱动装置
    • US20110291589A1
    • 2011-12-01
    • US13149218
    • 2011-05-31
    • Kazuhito KIMURAYasunori Yamamoto
    • Kazuhito KIMURAYasunori Yamamoto
    • H05B37/02H03F3/45
    • H03F3/45475H03F3/45179H05B33/0815H05B33/0827H05B33/0842
    • A multi-input differential amplifying device of the present invention includes: a differential amplifier having an inverting input terminal and a non-inverting input terminal; and an input portion configured to apply a first input voltage to a first input terminal that is one of the inverting input terminal and the non-inverting input terminal and apply a second input voltage to a second input terminal that is the other input terminal, the first input voltage corresponding to first input signals that are a plurality of input signals for the first input terminal, the second input voltage corresponding to a second input signal that is one input signal for the second input terminal. The input portion is configured to correct an offset voltage between the first input voltage and the second input voltage.
    • 本发明的多输入差分放大装置包括:具有反相输入端和非反相输入端的差分放大器; 以及输入部,被配置为将第一输入电压施加到作为反相输入端和非反相输入端之一的第一输入端,并将第二输入电压施加到作为另一输入端的第二输入端, 对应于作为第一输入端子的多个输入信号的第一输入信号的第一输入电压,对应于作为第二输入端子的一个输入信号的第二输入信号的第二输入电压。 输入部分被配置为校正第一输入电压和第二输入电压之间的偏移电压。