The AD698 is a complete, monolithic Linear Variable DifferenTIal
Transformer (LVDT) signal condiTIoning subsystem. It is
used in conjuncTIon with LVDTs to convert transducer mechanical
posiTIon to a unipolar or bipolar dc voltage with a high degree
of accuracy and repeatability. All circuit functions are
included on the chip. With the addition of a few external passive
components to set frequency and gain, the AD698 converts the
raw LVDT output to a scaled dc signal. The device will operate
with half-bridge LVDTs, LVDTs connected in the series opposed
configuration (4-wire), and RVDTs.
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