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Showing 51 results View by: Thread Post Sort by
  • ADC121C021: Oddly sensitive to value of capacitor on VIN

    Scott Brenneman
    Scott Brenneman
    Part Number: ADC121C021 Other Parts Discussed in Thread: TLV8541 We're using the ADC to measure the voltage of an LFP battery. We divide the battery voltage by 2 and buffer it with an opamp, followed by an optional RC lowpass. The ADC is powered from…
    • over 3 years ago
    • Data converters
    • Data converters forum
  • Answered
  • ADC121C021-Q1: Power up to I2C delay

    Shinji Tsuji
    Shinji Tsuji
    Resolved
    Part Number: ADC121C021-Q1 Hi team, Could you advise maximum delay time from the power up to I2C communication ready? I would like to know how long should I wait to be ready to access I2C. regards,
    • Resolved
    • over 3 years ago
    • Data converters
    • Data converters forum
  • ADC121C021-Q1: Tr/Tf min time

    Shinji Tsuji
    Shinji Tsuji
    TI Thinks Resolved
    Part Number: ADC121C021-Q1 Hi team, Tr/Tf of I2C fast mode timing parameters are specified as 20+0.1Cb min. What is the potential impact if I violate this minimum value? regards,
    • over 3 years ago
    • Data converters
    • Data converters forum
  • Answered
  • ADC121C021: Do TI have the Linux driver for the part?

    Subin Sebastian
    Subin Sebastian
    Resolved
    Part Number: ADC121C021 Do TI have the Linux driver for the part?
    • Resolved
    • over 3 years ago
    • Data converters
    • Data converters forum
  • ADC121C021: information regarding malfunction of sensing circuit using ADC121C021

    BISHWAJYOTI PURKAYASTHA
    BISHWAJYOTI PURKAYASTHA
    TI Thinks Resolved
    Part Number: ADC121C021 I am using ADC121C021 which uses the I2C protocol for transferring the digital data. I am using eight of them to measure eight capacitor voltages in a power electronics circuit. Each of the eight ADCs is assigned eight different…
    • over 6 years ago
    • Data converters
    • Data converters forum
  • ADC121C021: ADC121C021

    jorgen.olsen
    jorgen.olsen
    TI Thinks Resolved
    Part Number: ADC121C021 The ADC121 has a power-on reset but nowhere in the datasheet is the time until the device is ready after a power-connect listed. I need this information in order to optimize the ON-time in a battery powered device.
    • over 7 years ago
    • Data converters
    • Data converters forum
  • Answered
  • RE: ADC121C021EVM: ADC121C021-Q1 IC IBIS Model Data Request

    Tom Hendrick
    Tom Hendrick
    Resolved
    Hi Kai, The ADC121C021 came across from the National portfolio, unfortunately, we do not have an IBIS model for this device.
    • over 4 years ago
    • Data converters
    • Data converters forum
  • Answered
  • ADC121C021: Datasheet Clarification - Power Supply noise

    Michael T  Schneider
    Michael T Schneider
    Resolved
    Part Number: ADC121C021 Team, Page 5: See note (1) below: Our engineer is trying to analyze filter (L-C) for the power supply (V A ), and does not know how to define “pass/fail” criteria. As There is no power supply that is “free of noise”, How…
    • Resolved
    • over 5 years ago
    • Data converters
    • Data converters forum
  • ADC121C021: Linux driver cosnult

    Lin_Charles
    Lin_Charles
    TI Thinks Resolved
    Part Number: ADC121C021 Hi team, My customer is evaluating this device and he is consulting if we can provide a Linux driver or C example code of this device for them as a reference? Thanks.
    • over 5 years ago
    • Data converters
    • Data converters forum
  • ADC121C021: Wrong I2C address selection inputs

    Nuno Dias
    Nuno Dias
    TI Thinks Resolved
    Part Number: ADC121C021 Hello, I need to use up to 5 ADC on a I2C bus. I am using ADC121C021. According to the datasheet, VSSOP version supports 7 addresses that can be defined by the ADR0 and ADR1 pins. Table 1 (Slave Addresses) refers device is configured…
    • over 5 years ago
    • Data converters
    • Data converters forum
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