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AD7794在高精度低功耗测量装置中的应用
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2009-07-09
fansz
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采用AD7794，一种典型的仪用ADC，与超低功耗混合信号处理器MSP430F1611，构成了一个测量计量电路。实际使用表明，该电路具有低功耗、高精度和长期稳定性的特点；
实测非线性度不大于10-3 量级，能满足大多数工业测量计量的要求。
关键词：工业测量；仪表放大器；Σ-ΔADC；低漂移；超低功耗
Abstract: AD7794, a typical instrumentation ADC, was combined with ultra-low power
consumption mixed signal microcontroller MSP430F1611, to construct an industrial measurement circuit. For many experiments, the circuit behaves good performance such as low power consumption, high precision and long term stability etc. The nonlinearity is less than 10-3. This cooperator can be met a lot of industrial measurement solutions.
Keywords: industrial measurement; instrumentation amplifier;Σ-ΔADC; low drift; ultra-low
power consumption
实测非线性度不大于10-3 量级，能满足大多数工业测量计量的要求。
关键词：工业测量；仪表放大器；Σ-ΔADC；低漂移；超低功耗
Abstract: AD7794, a typical instrumentation ADC, was combined with ultra-low power
consumption mixed signal microcontroller MSP430F1611, to construct an industrial measurement circuit. For many experiments, the circuit behaves good performance such as low power consumption, high precision and long term stability etc. The nonlinearity is less than 10-3. This cooperator can be met a lot of industrial measurement solutions.
Keywords: industrial measurement; instrumentation amplifier;Σ-ΔADC; low drift; ultra-low
power consumption
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