• REF200: The current source REF200 simulates PMT to test TIA and fails.

  

  Xander

  TI Thinks Resolved

  Part Number: REF200 Other Parts Discussed in Thread: LOG200 Tool/software: Hello, engineers from Texas Instruments, We are planning to test the logarithmic amplifier, but the REF200 we are using cannot simulate the PMT (-100uA-0uA). When it enters the…

  • 2 months ago
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• REF200: PSpice for TI

  

  Kevin Kupcho

  Part Number: REF200 Tool/software: Hello, I am seeing this same issue still. KNOWNS: I do not have local admin admin has to elevate privileges with ThreadLocker install happens I get the same kind of pop-up as the previous user saying it can't find…

  • 1 month ago
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• REF200: Circuit check

  

  Will Wang47

  TI Thinks Resolved

  Part Number: REF200 Tool/software: Hi team, Could you help if following circuit works OK under 8V supply? What's the normal voltage work range for the following circuit? Thanks and Best regards, Will

  • 2 months ago
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• REF200: Simulation model for REF200

  

  Anastasios Antoniou

  TI Thinks Resolved

  Part Number: REF200 Is it available any simulation model for REF200 under PSpice or NI Multisim? Thank you.

  • 8 months ago
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• REF200: External Regulator Issues

  

  Marco Rojas

  TI Thinks Resolved

  Part Number: REF200 Hi team, I have a customer with the below issue regarding the REF200AU current source. Let me know what you guys think! "We are using the REF200AU current source and are having some issues with a regulator that feeds it. Under…

  • 8 months ago
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• REF200: Load resistance of constant current source

  

  Rhea Gao

  TI Thinks Resolved

  Part Number: REF200 Hi， Would you like to ask, constant current * load resistance < constant current source chip power supply voltage? Or are there any requirements for the load resistance? Many thanks~

  • 9 months ago
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• REF200: ref200

  

  Saadya M.

  TI Thinks Resolved

  Part Number: REF200 I am considering using REF200 as a current sink (100 uA), but it requires the current sink input voltage is to be a min of 2.5V. I think I have 1.4 V but not 2.5V input. Can I use the current mirror part of REF200, by grounding pins…

  • over 1 year ago
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Answered

• REF200: How can I select a current reference for my designs?

  

  Martin Holguin

  Resolved

  Part Number: REF200 Other Parts Discussed in Thread: INA326 , , LM134 , ATL431 Hello everyone, I am trying to accurately measure temperature using a 3-wire PT100 RTD, I thought to use a REF200 and the INA326, using the reference circuit from the REF200's…

  • Resolved

  • over 1 year ago
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• REF200: Charge pump example

  

  Lisa Lust

  TI Thinks Resolved

  Part Number: REF200 I am making a charge pump out of REF200 and the TS5A3359YZPR SP3T switch to charge or discharge a capacitor providing an adjustable PWM tuning voltage. The 100uA currents are appropriate for this application. Could you provide me a…

  • over 2 years ago
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Answered

• REF200: Regarding adjustable current source circuit

  

  Daisuke Higa

  Resolved

  Part Number: REF200 Hi support team. I have a question regarding adjustable current source circuit in datasheet. (Please refer to following figure.) I would like to know how to calculate about VA in following figure. Is VA voltage equal to Vs voltage…

  • Resolved

  • over 2 years ago
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