TIDA-01471: Questions and TI-TINA circuit?

charlesw

Part Number: TIDA-01471
Other Parts Discussed in Thread: ADS127L11

Can the TI-TINA circuit be provided that generated the AC transfer characteristics and passband sweeps shown in TIDUD62?

Mr. Noeman mentions an 8-channel mux can be used to reduce overall BOM cost: https://youtu.be/BETSfQCFCBw?t=787 Recommendations for mux? I am looking at a design with many IEPE sensors.

Also Mr. Noeman mentions an article he was planning to publish about alternative circuits to be used in TIDA-01471 here: https://e2e.ti.com/support/tools/simulation-hardware-system-design-tools-group/sim-hw-system-design/f/simulation-hardware-system-design-tools-forum/776823/tida-01471-8-channel-iepe-vibration-sensor-daq Can you please share the article?

Thank you!!

over 1 year ago

0 Ahmed Noeman over 1 year ago

TI__Expert 3500 points

TIDA-01471_Fault_sim.TSC TIDA-01471_Full_Sim.TSC TIDA-01471_ZIN_sim.TSC

+1 Ahmed Noeman over 1 year ago

TI__Expert 3500 points

Hello,

- please find the simulation files in a separate comment.

- The multiplexed design mentioned means collecting data from one sensor for 1-2s, then switching to the other sensor and do the same in sequential fashion. if the application doesn't require continuous monitoring, then that approach would work. in condition monitoring, a sample frame every few minutes or even hours might be sufficient.

- for multi-channel simultaneous sampling application, we have a design which will come online soon. it uses a new ADC: ADS127L11. I expect this to be online in December.

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TIDA-01471: Questions and TI-TINA circuit?