• REF200: Current multiplexer for REF200

  

  udhay kumar

  TI Thinks Resolved

  Part Number: REF200 Hello Ti, I need to know the possibility of using a current multiplexer circuit for REF200 constant current source. I need to measure two (1K) resistive lader positions once at a time. The distance will be around 25 meters so I…

  • 5 days ago
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• REF200: How to interface REF200 with 2SMPP-03 Pressure Sensor

  

  Nicolas Montoya

  TI Thinks Resolved

  Part Number: REF200 Hello, I am planning on using 2x 2SMPP-03 pressure sensors, that use a wheatstone bridge interface, and each one requires 100 uA of constant current for sensor excitation. So the REF200 will be perfect for this; however, I am not…

  • 1 month ago
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• REF200: Anomalous behavior of REF200

  

  Fabio Gasparotto

  TI Thinks Resolved

  Part Number: REF200 Tool/software: Set REF 2000 to deliver 100uA. a resistance to ground is mounted on the REF200 output. As long as this resistance remains within 10KOHM the current supplied corresponds to 100uA. But if I insert a resistor of 100KOHM…

  • over 1 year ago
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• REF200: REF200

  

  Sumeet Patil

  TI Thinks Resolved

  Part Number: REF200 Other Parts Discussed in Thread: LM234 , LM334 , LM134 Tool/software: Hello TI, I am planning to build a positive temperature dependence current source for matched JFET pairs, can TI suggest a proper design for the same?

  • over 1 year 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.

  • over 2 years ago
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• 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…

  • over 1 year ago
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Answered

• INA326: RTD connection with REF200

  

  Gulbahar G.

  Resolved

  Part Number: INA326 Other Parts Discussed in Thread: REF200 Tool/software: In the document “RTD to Voltage Reference Design Using Instrumentation Amplifier and Current Reference”, the above 3-wire PT1000 connection is made. How can I make a 4-wire…

  • Resolved

  • over 1 year ago
  • Amplifiers
  • Amplifiers forum
Answered

• REF200: Not able to get constant current

  

  Pranoti Katke

  Resolved

  Part Number: REF200 Tool/software: Hi, I am using REF200 as constant current source for thermistor interface. I am able to get better results from 10Kohm. to 680ohm. But the need is from 43kohm to 680ohm. How to keep constant current at higher…

  • Resolved

  • over 1 year ago
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• REF200: Question regarding 3-wire RTD sensing with REF200AU/2K5

  

  Hatzrill Abdullah

  TI Thinks Resolved

  Part Number: REF200 Other Parts Discussed in Thread: INA326 , Tool/software: Hi TI Team, Our end customer is using a 3-wire RTD configuration with your REF200AU/2K5 . They have a question regarding the impact of lead wire resistance. In their setup…

  • 8 months ago
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• REF200: REF200AU - EXTENDED SHELF LIFE MATERIAL

  

  CYNTHIA CHONG

  TI Thinks Resolved

  Part Number: REF200 Tool/software: Hi Team, I got the part, REF200AU, DC2230+ is this the extended shelf life (ESL) material? is this still under warranty from TI? Thanks,

  • over 1 year ago
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