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Showing 57 results View by: Thread Post Sort by
    Answered
  • OPA2140: OPA2140AIDRGR

    Genrikh Kleynerman
    Genrikh Kleynerman
    Resolved
    Part Number: OPA2140 Has the OPA2140AIDRGR been released? based on previously provided info, it was supposed to be released in Nov-2021. there is no info on this part, except a couple of forum messages. can you provide the part's status and availability…
    • Resolved
    • 1 month ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2140: OPA2140AIDRGR (POPA2140AIDRGR) Exposed Pad connection (GND/-Vcc/floating?).

    Krzysztof Rybacki
    Krzysztof Rybacki
    Resolved
    Part Number: OPA2140 The datasheet of OPA2140 does not explain how to connect the Exposed Pad of DRG package (S-PWSON-N8). Should it be connected to the GND potential, -Vcc, or just left floating?
    • Resolved
    • 6 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2140: POPA2140AIDRGR

    Genrikh Kleynerman
    Genrikh Kleynerman
    Resolved
    Part Number: OPA2140 I need OPA2140 dual amp in DRG package. I found POPA2140AIDRGR, however it is not RoHS part. The data sheet advises contact TI on this part. What is part's production status? Is it RoHS part?
    • Resolved
    • 8 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2140: OPA2140AIDGKR baking condition

    Koji Sakurai
    Koji Sakurai
    Resolved
    Part Number: OPA2140 My customer wants to use OPA2140AIDGKR with baking condition 24hour 125C. Is it acceptable baking condition ? Best Regards Koji Sakurai
    • Resolved
    • 10 months ago
    • Amplifiers
    • Amplifiers forum
  • OPA2140: input current noise

    Renan Santos Adriano
    Renan Santos Adriano
    TI Thinks Resolved
    Part Number: OPA2140 Hello Team, My Customer is using the OPA2140 as a positive amplifier for low noise DC source. They do not found any information about input current noise in the datasheet. They did some tests and found out that the noise depends dramatically…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • OPA2140: OPA2140 has abnormal output current when used V/I conversion

    Kailyn Chen
    Kailyn Chen
    TI Thinks Resolved
    Part Number: OPA2140 Other Parts Discussed in Thread: TEST , Hello, Our customer used OPA2140 as 0~24mA current source, there is no problem during simulation, but actually, he met a question using PCB to test. 1) single 12V power supply, 0~2V input, and…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2140: OPA2140 quiescent current

    frederic bocage
    frederic bocage
    Resolved
    Part Number: OPA2140 Hello, We have a design where the minimum consumption on both amplifier power supplies (+/-12V) is a key design driver. - What is the minimum quiescent current per amplifier to be considered ? At room temperature and in the whole…
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • OPA2140: Maximum load / sink currents - Output voltage accuracy

    frederic bocage
    frederic bocage
    TI Thinks Resolved
    Part Number: OPA2140 Other Parts Discussed in Thread: OPA2192 Hello, I have some questions regarding OPA2140 used to - buffer a 5V precision voltage reference to increase the load current - invert the same 5V precision voltage reference to create a -5V…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2140: About the unbalance supply operation of op amp

    chao zh
    chao zh
    Resolved
    Part Number: OPA2140 Other Parts Discussed in Thread: OPA145 , , OPA2145 Hi,all In order to save one supply, I plan to use the +5V and the -15V which are available,as the supply of opa2140/opa145. So i want to know whether there are some problems with this…
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • WEBENCH® Tools/OPA2140: Active Filter with Attenuation (Gain < 1)

    Chi-Yang Hsu
    Chi-Yang Hsu
    TI Thinks Resolved
    Part Number: OPA2140 Tool/software: WEBENCH® Design Tools Hi, I'm using Filter Design Tool to design an active low-pass filter which is also the ADC driver. The gain should be 0.25 to accommodate ADC's input range. However, I found that the smallest allowable…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
>

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