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差分放大器INA105在电平转换电路中的应用图例
消耗积分:10 |
格式:rar |
大小:16 |
2009-06-03
479461
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The INA105 is a unity gain differential amplifier consisting
of a premium grade operational amplifier and an on-chip
precision resistor network. The self-contained INA105 makes
it ideal for many applications. One such application is
precision level shifting.
Figure 1 shows a general case of a unity gain differential
amplifier that performs a signal level shift proportional to
the voltage VSHIFT appearing on pin 3 of the OPA27. An
operational amplifier is used to drive the INA105’s “Ref”
pin (pin 1) with a low impedance source to preserve true
differential operational of the INA105.
of a premium grade operational amplifier and an on-chip
precision resistor network. The self-contained INA105 makes
it ideal for many applications. One such application is
precision level shifting.
Figure 1 shows a general case of a unity gain differential
amplifier that performs a signal level shift proportional to
the voltage VSHIFT appearing on pin 3 of the OPA27. An
operational amplifier is used to drive the INA105’s “Ref”
pin (pin 1) with a low impedance source to preserve true
differential operational of the INA105.
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