高档开关电源精密数据探测用仪表放大器 AD620(上)

Introduction of Strumentation Amplifier AD620 Applied in Precision Data Acguisition of High Level Switching Power Supply

AD620仅外接一只精密电阻器 R_G 在 IC-①、⑧两脚,其阻值在49.3Ω～49.3kΩ大范围选择.就能按计算值没定电源产品所需的任一增益值G-1003～2002,精确易调范围极宽。

AD620 is 3 OP-amp iN-amp designs,it can st gain with one external resistor at IC-①、⑧pins,and its gain range 1 to 1000.