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Recommend components for Load Cell Amplifier

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Sobakava

Sobakava

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I need to design a good (low noise, good linearity) load
cell amplifier and digitize it in >16bits.

Which sigma-delta ADC do you recommend?
:?: Which instrumentation amplifier do you recommend? I am
trying Texas Instruments INA125 because it has its
own voltage reference.

It should be low cost and good performance.

:D
 

ina125 pic

two names come to my mind. both have a built in programmable gain amplifier

ad7730
cs5520

you can search google for both's data sheets
 

Hmm,

I built a circuit with a 16f877A and i can measure pressure with a load cell.It works perfect.Maybe you want to try it.

Analyzer.
 
load cell amplifier

I need 16bit resolution at least. I am looking for 16 and
24bit ADCs. Did you implement software sigma-delta
with PIC16F877's 10bit internal ADC?
I am also planning to use PIC (18F458) and CAN or
RS485 for transmission.
 

Yea,

I use ccs c compiler and their official board has many helpful member.I just asked them.Try to ask them. www.pic-c.com/forum But if you need 16bit or higher 877 does not work :(

Analyzer.
 

Re: Load Cell Amplifier

I try Ina118 Ina125 ad524
but i found ina118 is the best from them
 

Re: Load Cell Amplifier

its the same in th datasheet
 

Re: Load Cell Amplifier

hi friend
i am using mcp 3551 adc for my load cell for that i dont have an
amplifier will you pls. help me on ina125 (circuit diagram)

---------- Post added at 13:29 ---------- Previous post was at 13:24 ----------

use mcp 3551 22bit adc you will find this adc in M/s silicon components ltd in andheri mumbai
 

Re: Load Cell Amplifier

ad7730 with pulse modulation is the best i have ever seen. One of my friends do some industrial boards with ad7730.
 

Re: Load Cell Amplifier

Hello,
bhushan_27

what u need to know in ina125 my friend ? i see that ina118 better ..

Zerox100

how many bits ur friend have ???? did he get more that 14 bits ???
 

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