Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

cs5532 stability problem

Status
Not open for further replies.
V

veenrick

Newbie level 1
Joined
Sep 4, 2010
Messages
1
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,287
I am using cs5532 in atmega128 board crystal freq 4.12MHZ .using 100 nf capacitors .in program i am using gain of 64 and with sampling rate of 240 sps(samples per second )

while measuring 0.0xx is varying for kg 10 grms error occured ,while measuring it take more than 5 seconds to stable .. tell me good gain and sample rate to give better result
thanking you in advance
 

Changing the gain does not change input referred noise in a first order. Sample rate does, of course. As a first step you would want to determine the cause of the observed measurement uncertainty. You can e.g. calculate the expectable noise and respective measurement uncertainty according to the gain setting and sensor and ADC data sheet specifications. You can also short the strain gauge/load cell output to check, if the varying signal is ADC noise or originated from the sensor.

Besides actual noise, you may also observe various kinds of interferences due to inappropriate shielding and bad circuit design.
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top