Linearized_platinum_RTD_resistance_bridge_switched_capacitor

Published:2009/7/24 5:15:00 Author:Jessie | From:SeekIC

Figure 4-10 is a switched-capacitor version of the Fig. 4-9 circuit, with A2 and A3 replaced with an LTC1043. The differential-to-single-ended transitions in the current-source and bridge-output amplifier are performed by the LTC1043. The values shifts in the current source and output stage reflect the LTC1043 lack of gain. The primary trade-off between the two circuits is component count versus cost. LINEAR TECHNOLOGY, APPLICATION NOTE 43, P. 12.



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