Differential op amp tackles common-mode voltage as high as ±275V

Bill Schweber

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Differential op amp tackles common-mode voltage as high as ±275V

机译：差分运算放大器可解决高达±275V的共模电压

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Op amps, those versatile building blocks of the analog world, come in thousands of varieties- Yet there's still a need for more and better, in which "better" means units with more desired attributes but not at the expense of others. One such amplifier is Texas Instruments' INA149 differential amplifier. With common-mode voltage as high as ±275V and 100-dB CMRR, the device finds use in high-voltage current sensing; battery-cell-voltage monitoring in photovoltaic, telecom, and electric-vehicle applications; alternative-energy applications; power-supply-current monitoring; and motor control.

机译：运算放大器是模拟世界中的这些通用构建基块，它具有成千上万的品种-但是仍然需要更多和更好的产品，其中“更好”是指具有更多期望属性的单元，而不是以其他为代价。德州仪器（TI）的INA149差分放大器就是这样一种放大器。该器件具有高达±275V的共模电压和100dB CMRR，可用于高压电流检测。光伏，电信和电动汽车应用中的电池电压监测；替代能源应用；电源电流监控；和电机控制。

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《Electrical Design News》 |2012年第2期|p.19|共1页
作者
Bill Schweber;
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收录信息美国《科学引文索引》(SCI);
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Differential op amp tackles common-mode voltage as high as ±275V

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