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  • TLC4502: TLC4502

    Part Number: TLC4502 Dear Team - We have built pH and Ammonia circuits leveraging TLC4502 IDR. The measurement recorded was accurate, and repeatability is good. However, after a few days to less than a month, IC is not reacting with the sensor. After thoroughly…

  • TLC4502: Unable to record sensor response

    TI Thinks Resolved
    Part Number: TLC4502 Other Parts Discussed in Thread: LMP7721 Dear Team - We built a pH circuit leveraging TLC 4502 op amplifier in line with the attached schematic. We tested the circuit with the help of a PPS and the value_out is recorded perfectly…
    • Answered

  • TLC4502: Need replacemet for this part

    Resolved
    Part Number: TLC4502 Other Parts Discussed in Thread: OPA2335 , OPA2325 , LMP2022 , LMP7721 , OPA2316 , OPA320 , OPA325 , OPA316 Hello everyone. I am looking a replacement for TLC4502. Any recomendations? Thanks!
    • Resolved

  • Re: 4 percent gain error with ADS1602

    Joseph, Joseph Wu said: In your schematic, you have several OPA1612s (U304, U305) listed in the circuit. Are these really the OPA2822s? Also, are they running at +5V single supply? That was an old schematic. The module is equipped with 2 TLC4502. …

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