LVDT Sensor Amplifiers

Analog Devices signal conditioning ICs, together with linear variable differential transformers (LVDTs), can be used to convert mechanical position to a dc voltage. The IC provides both the excitation for the LVDT and the output conversion to dc level with a user selectable gain. ADI LVDT signal conditioners are available to interface with a wide range of LVDTs, including half bridge and standard 4- and 5-wire.
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LVDT Sensor Amplifiers

LVDT Sensor Amplifiers

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LVDT Sensor Amplifiers

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SortOrderPart#Sensor Primary FunctionVin rms (max)
(V rms)
Iout Drive Capability (typ)
(A)
Excitation Vout RangeExcitation Current (typ)
(A)
Excitation Frequency (min)
(Hz)
Excitation Frequency (max)
(Hz)
Gain Error
(%)
Gain Drift (typ)
(ppm/°C)
Offset Error (n/a)Offset Drift (typ)
(ppm/°C)
US Price 1000 to 4999
($ US)
1AD698Reference Circuit Available LVDT 3.5 11m 1.2-21.2 Vrms 40m 20 20k 0.1 20 0.1- $18.17
2AD598Reference Circuit Available LVDT 3.5 11m 1.2-20 Vrms 40m 20 20k 0.4 20 0.3 7 $23.97