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AD598 Production
The AD598 is a complete, monolithic Linear Variable Differential Transformer (LVDT) signal conditioning subsystem. It is used in conjunction with LVDTs...
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AD598 on Analog.com

4-Wire connection

Raj87

on Mar 26, 2025

Category: Hardware

Product Number: AD598JRZ, AD598

Hi Team,

I'm using AD598JRZ. LVDT 5-wire and 6-Wire is working well but 4-wire LVDT is not working because of center tap(ground). I want all type of LVDT (4,5&6 wire) work with single chip solution. Any external amplifier circuit include between LVDT and AD598?.

0 RAdante

on Mar 27, 2025 10:51 PM
Hi NathanT ,

Could you or your team please look into this query?

Thanks and regards,

Coco
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0 Raj87
on Mar 31, 2025 10:36 PM
i'm tried with resister network and amplifier method.

1. Sensor secondary each side add one resister and resister other end connect to ground. this method i get more noise and linearity is not good in sensor end side.

2. Sensor secondary side put the amplifier with unity gain and amplifier both output side add two resister, this resister middle point connect to AD598 reference pin. this method is not working.

i'm still waiting for your reply
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4-Wire connection