Differential amplifier device, 2-stage amplifier device, and analog/digital converter device
    2.
    发明申请
    Differential amplifier device, 2-stage amplifier device, and analog/digital converter device 有权
    差分放大器器件,2级放大器器件和模拟/数字转换器器件

    公开(公告)号:US20050248479A1

    公开(公告)日:2005-11-10

    申请号:US11106958

    申请日:2005-04-15

    CPC classification number: H03M1/0602

    Abstract: A differential amplifier device is disclosed wherein the device comprises a differential amplifier circuit, a load circuit connected to the differential amplifier circuit; and a change-over switch connected to the load circuit for changing a gain of the differential amplifier circuit by switching between a full load where a whole of the load circuit is set to be the load of the differential amplifier circuit and a partial load where a part of the load circuit is set to be the load of the differential amplifier circuit, wherein the load circuit is configured to amplify an input signal and an output signal of the differential amplifier circuit in the full load.

    Abstract translation: 公开了一种差分放大器装置,其中该器件包括差分放大器电路,连接到差分放大器电路的负载电路; 以及连接到负载电路的转换开关,用于通过在整个负载电路被设置为差分放大器电路的负载的满负荷与其中的负载之间切换来改变差分放大器电路的增益 负载电路的一部分被设置为差分放大器电路的负载,其中负载电路被配置为在满载中放大差分放大器电路的输入信号和输出信号。

    Differential amplifier and analog/digital converter
    3.
    发明授权
    Differential amplifier and analog/digital converter 有权
    差分放大器和模拟/数字转换器

    公开(公告)号:US08525718B2

    公开(公告)日:2013-09-03

    申请号:US13410906

    申请日:2012-03-02

    Abstract: Disclosed herein is a differential amplifier including: an input terminal configured to receive an input signal; an output terminal configured to output an output signal obtained as a result of amplifying the input signal; an amplification part configured to amplify the input signal to generate the output signal; a load circuit which is connected between the amplification part and a power-supply terminal, and is provided with a first-conduction transistor, and a changeover switch configured to switch a connection between a gate electrode of the first-conduction transistor and a drain electrode of the first-conduction transistor to a connection between the gate electrode and the output terminal or vice versa; and a leak cancel switch configured to generate a leak cancel current for reducing an off leak current flowing through the changeover switch.

    Abstract translation: 这里公开了一种差分放大器,包括:输入端子,被配置为接收输入信号; 输出端子,被配置为输出作为放大输入信号的结果而获得的输出信号; 放大部件,被配置为放大所述输入信号以产生所述输出信号; 负载电路,连接在放大部分和电源端子之间,并且设置有第一导体晶体管,以及转换开关,其被配置为切换第一导通晶体管的栅电极和漏极之间的连接 的第一导通晶体管连接到栅电极和输出端之间的连接,反之亦然; 以及泄漏取消开关,其被配置为产生用于减少流过所述切换开关的关闭泄漏电流的泄漏抵消电流。

    A/D converter
    5.
    发明授权
    A/D converter 失效
    A / D转换器

    公开(公告)号:US08018368B2

    公开(公告)日:2011-09-13

    申请号:US12662025

    申请日:2010-03-29

    CPC classification number: H03M1/004 H03M1/0682 H03M1/1215 H03M1/147 H03M1/365

    Abstract: An analog to digital converter includes: a reference circuit adapted to generate reference voltages; differential amplifiers; normal phase circuits each of which samples a normal phase analog input signal and transfers a comparison voltage, obtained by comparison with a reference voltage generated by the reference circuit, to a first input terminal of one of the differential amplifiers when the input is differential and single-ended; and reversed phase circuits each of which samples a reversed phase analog input signal and transfers a comparison voltage, obtained by comparison with a reference voltage generated by the reference circuit, to a second input terminal of one of the differential amplifiers when the input is differential and which samples a ground level as a reference voltage of the reference circuit and supplies the reference voltage and comparison voltage to the second input terminal of the differential amplifier when the input is single-ended.

    Abstract translation: 模数转换器包括:适于产生参考电压的参考电路; 差分放大器; 每个正常相电路对正相模拟输入信号进行采样,并将通过与参考电路产生的参考电压进行比较获得的比较电压传送到差分放大器之一的第一输入端,当输入为差分和单 接受 每个反相电路对反相模拟输入信号进行采样,并将通过与基准电路产生的参考电压进行比较而获得的比较电压传送到差分放大器之一的第二输入端,当输入为差分时, 其将接地电平作为参考电路的参考电压进行采样,并且当输入为单端时将参考电压和比较电压提供给差分放大器的第二输入端。

    A/D Converter
    6.
    发明申请
    A/D Converter 失效
    A / D转换器

    公开(公告)号:US20100271244A1

    公开(公告)日:2010-10-28

    申请号:US12662025

    申请日:2010-03-29

    CPC classification number: H03M1/004 H03M1/0682 H03M1/1215 H03M1/147 H03M1/365

    Abstract: An analog to digital converter includes: a reference circuit adapted to generate reference voltages; differential amplifiers; normal phase circuits each of which samples a normal phase analog input signal and transfers a comparison voltage, obtained by comparison with a reference voltage generated by the reference circuit, to a first input terminal of one of the differential amplifiers when the input is differential and single-ended; and reversed phase circuits each of which samples a reversed phase analog input signal and transfers a comparison voltage, obtained by comparison with a reference voltage generated by the reference circuit, to a second input terminal of one of the differential amplifiers when the input is differential and which samples a ground level as a reference voltage of the reference circuit and supplies the reference voltage and comparison voltage to the second input terminal of the differential amplifier when the input is single-ended.

    Abstract translation: 模数转换器包括:适于产生参考电压的参考电路; 差分放大器; 每个正常相电路对正相模拟输入信号进行采样,并将通过与参考电路产生的参考电压进行比较获得的比较电压传送到差分放大器之一的第一输入端,当输入为差分和单 接受 每个反相电路对反相模拟输入信号进行采样,并将通过与基准电路产生的参考电压进行比较而获得的比较电压传送到差分放大器之一的第二输入端,当输入为差分时, 其将接地电平作为参考电路的参考电压进行采样,并且当输入为单端时将参考电压和比较电压提供给差分放大器的第二输入端。

    Semiconductor device
    8.
    发明授权
    Semiconductor device 失效
    半导体器件

    公开(公告)号:US07504980B2

    公开(公告)日:2009-03-17

    申请号:US11544610

    申请日:2006-10-10

    CPC classification number: H01L27/0802 H01L28/20

    Abstract: A semiconductor device includes a semiconductor substrate and a ladder resistor formed on the semiconductor substrate. The ladder resistor includes a plurality of elongated resistor portions arranged in parallel with each other, a plurality of connection portions that connect the resistor portions at predetermined intervals in a longitudinal direction of the resistor portions, and a plurality of voltage extraction portions provided in order to extract voltages at the individual connection portions.

    Abstract translation: 半导体器件包括形成在半导体衬底上的半导体衬底和梯形电阻。 梯形电阻器包括彼此平行布置的多个细长的电阻器部分,多个连接部分,其在电阻器部分的纵向方向上以预定间隔连接电阻器部分,以及多个电压提取部分, 在各个连接部分提取电压。

    Differential amplifier device, 2-stage amplifier device, and analog/digital converter device
    9.
    发明授权
    Differential amplifier device, 2-stage amplifier device, and analog/digital converter device 有权
    差分放大器器件,2级放大器器件和模拟/数字转换器器件

    公开(公告)号:US07042384B2

    公开(公告)日:2006-05-09

    申请号:US11106958

    申请日:2005-04-15

    CPC classification number: H03M1/0602

    Abstract: A differential amplifier device is disclosed wherein the device comprises a differential amplifier circuit, a load circuit connected to the differential amplifier circuit; and a change-over switch connected to the load circuit for changing a gain of the differential amplifier circuit by switching between a full load where a whole of the load circuit is set to be the load of the differential amplifier circuit and a partial load where a part of the load circuit is set to be the load of the differential amplifier circuit, wherein the load circuit is configured to amplify an input signal and an output signal of the differential amplifier circuit in the full load.

    Abstract translation: 公开了一种差分放大器装置,其中该器件包括差分放大器电路,连接到差分放大器电路的负载电路; 以及连接到负载电路的转换开关,用于通过在整个负载电路被设置为差分放大器电路的负载的满负荷与其中的负载之间切换来改变差分放大器电路的增益 负载电路的一部分被设置为差分放大器电路的负载,其中负载电路被配置为在满载中放大差分放大器电路的输入信号和输出信号。

    DIFFERENTIAL AMPLIFIER AND ANALOG/DIGITAL CONVERTER
    10.
    发明申请
    DIFFERENTIAL AMPLIFIER AND ANALOG/DIGITAL CONVERTER 有权
    差分放大器和模拟/数字转换器

    公开(公告)号:US20120242525A1

    公开(公告)日:2012-09-27

    申请号:US13410906

    申请日:2012-03-02

    Abstract: Disclosed herein is a differential amplifier including: an input terminal configured to receive an input signal; an output terminal configured to output an output signal obtained as a result of amplifying the input signal; an amplification part configured to amplify the input signal to generate the output signal; a load circuit which is connected between the amplification part and a power-supply terminal, and is provided with a first-conduction transistor, and a changeover switch configured to switch a connection between a gate electrode of the first-conduction transistor and a drain electrode of the first-conduction transistor to a connection between the gate electrode and the output terminal or vice versa; and a leak cancel switch configured to generate a leak cancel current for reducing an off leak current flowing through the changeover switch.

    Abstract translation: 这里公开了一种差分放大器,包括:输入端子,被配置为接收输入信号; 输出端子,被配置为输出作为放大输入信号的结果而获得的输出信号; 放大部件,被配置为放大所述输入信号以产生所述输出信号; 负载电路,连接在放大部分和电源端子之间,并且设置有第一导体晶体管,以及转换开关,其被配置为切换第一导通晶体管的栅电极和漏极之间的连接 的第一导通晶体管连接到栅电极和输出端之间的连接,反之亦然; 以及泄漏取消开关,其被配置为产生用于减少流过所述切换开关的关闭泄漏电流的泄漏抵消电流。

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