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Showing 22 results View by: Thread Post Sort by
    Answered
  • REF3040: Use REF30 or REF33 in OR-ing with diode for VREF in ultra low power apllication

    Marco Aversa
    Marco Aversa
    Resolved
    Part Number: REF3040 Hi, I'm implementing an application that requires running the MCU only on battery power in the event of a power outage (expected consumption around 25uA). The request is to use a very small battery and therefore I would like to be…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • REF3040: FMEDA Data and MTBF/FIT estimator Data

    Aleksei Labykin
    Aleksei Labykin
    TI Thinks Resolved
    Part Number: REF3040 Hi, TI Team. I have found data sources of failure rate namely: 1) www.ti.com/.../estimator.tsp 2) https://www.ti.com/quality/docs/estimator.tsp?OPN=REF3040AIDBZT&CPN=&partNumber=REF3040#resultstable Which number should I…
    • over 2 years ago
    • Power management
    • Power management forum
  • REF3040: Inaccurate voltage reference output

    Chengxin Xu
    Chengxin Xu
    Part Number: REF3040 I refer to the ads8332 datasheet to design the voltage reference circuit, but the final output voltage is 20mV more, and my design voltage is 4.096V,where R239 is 0ohm
    • over 3 years ago
    • Power management
    • Power management forum
  • LMP2012: Thermocouple amplifier produces DC offset with 100kHz interference

    Marcus Hughan
    Marcus Hughan
    TI Thinks Resolved
    Part Number: LMP2012 Tool/software: Shown below is a thermocouple amplifier circuit implemented using the LMP2012. Using K type thermocouple, the circuit produces the expected response of ~ 2.77mV/°C. (gain of 67.67) In the same system there are PWM…
    • 7 months ago
    • Amplifiers
    • Amplifiers forum
  • DAC8565: schematic review

    Aki Li
    Aki Li
    TI Thinks Resolved
    Part Number: DAC8565 Customer was designing DAC8565 to replace AD5689 in the new projects, to generate analog output, one range with -3.3V to 3.3V, and the other with 0V to 3.3V. Could you please help review the schematic to see any suggestions? Their…
    • over 1 year ago
    • Data converters
    • Data converters forum
  • Answered
  • RE: DDC112: Need advise regarding Voltage reference

    Eduardo Bartolome
    Eduardo Bartolome
    Resolved
    Hi, Sorry but as you probably saw, REF3040 is the recommended part on the DS. I bet all the parameters measured during characterization and production test of the device were and are taken with that reference. I doubt you will get any improvement if you…
    • over 1 year ago
    • Data converters
    • Data converters forum
  • RE: OPA567: TEC application on opa567

    li cunxu
    li cunxu
    Hi, Zhang As shown in pic below. The thermistor and R80 divide the output voltage of U30-REF3040, and thermistor is 10KΩ, coresponding 25℃. So the Vth is 1V when temperature is 25℃. I set Vset=1V, coresponding 25℃. When I set Vset=1V, I actually…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • XTR117: What is the direct voltage difference between the V+and Vreg pins of XTR117 chip?

    Rain Wang
    Rain Wang
    Part Number: XTR117 Hi TI 1. What is the direct voltage difference between the V+and Vreg pins of XTR117 chip? 2. Can REF3040 be used as the voltage reference source of XTR117? 3. The customer uses RC filtering+XTR117 to achieve the output of…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LOG114EVM: EVM design differs from datasheet recommendations

    Tim Risch
    Tim Risch
    Resolved
    Part Number: LOG114EVM Other Parts Discussed in Thread: LOG114 , OPA365 The LOG114EVM design differs from the recommendations in the LOG114 datasheet. The differences are: 1) The LOG114 datasheet in Figure 2 uses a REF3040 to provide a 4.096V signal to…
    • Resolved
    • over 5 years ago
    • Amplifiers
    • Amplifiers forum
  • RE: DDC232: Internal operation of DDC232 32-channel current-to-digital device

    Praveen Aroul
    Praveen Aroul
    Hello Mark, Please find below the comparison table between the various reference chips. These were some of the parts that we looked at and we have used REF3040 and LM4140 in our higher channel density devices. LM4140 REF3040 REF3140 REF3…
    • over 6 years ago
    • Data converters
    • Data converters forum
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