• LM134: Current constant

  

  Nishant Gupta

  TI Thinks Resolved

  Part Number: LM134 Other Parts Discussed in Thread: LM4051-N , LM4041-N , OPA333 , INA333-Q1 , ADC128S052-Q1 , OPA333-Q1 Subject: Automotive-Grade 100 µA Precision Current Source Recommendation (<30 ppm/°C) Hello TI Team, I am looking for a precision…

  • 3 months ago
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• LM134: LM334; LM134

  

  Sumeet Patil

  TI Thinks Resolved

  Part Number: LM134 Other Parts Discussed in Thread: REF102 , REF70 , REF54 Tool/software: Hi, I want a very stable precision current source for JFET tail biasing. The current source should have a positive temperature coefficient to cancel out…

  • over 1 year ago
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• LM134: LM134

  

  Gabriel Karlick

  TI Thinks Resolved

  Part Number: LM134 What is the "signature file" and where is it?

  • over 4 years ago
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Answered

• LM134: LM134H Part and Die made by National Semiconductor?

  

  Ken Metcalf

  Resolved

  Part Number: LM134 We ordered a lot of LM134H parts in Dec 2023. The lot date on the parts is 2123+5. We are interpreting that date code as Year = 2021, Week = 23. Is that correct? The part case (metal can) appears to have National Semiconductor's symbol…

  • Resolved

  • over 2 years ago
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• LM134: Micro Ohm Meter

  

  Purvik Patel

  TI Thinks Resolved

  Part Number: LM134 Other Parts Discussed in Thread: LM317 Hi, I am working on a micro ohm meter. So do you have any ref design ? For this I want a Constant current source for 1A,100mA & 10mA, Can you help me to design this type of source ?

  • over 2 years ago
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Answered

• LM134: 1 mA current source for PT1000

  

  John B

  Resolved

  Part Number: LM134 Other Parts Discussed in Thread: TL431LI Hi, I am looking for 1mA current source for PT1000 so that I can read the voltage across the PT1000 proportional to the change in resistance. I just have found LM 134 adjustable current source…

  • Resolved

  • over 2 years ago
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Answered

• LM134: Spice model for LM234.

  

  Kazuya Nakai59

  Resolved

  Part Number: LM134 Other Parts Discussed in Thread: LM234 Hello guys, One of my customers is considering using LM234 for their new products. They are looking for LM234 PSpice model for the consideration. Do you have the model at the moment? Your…

  • Resolved

  • over 3 years ago
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Answered

• LM134: Using the LM334 current source in device meant for -40°C to 80°C operating temperatures.

  

  Zaheer Hashim

  Resolved

  Part Number: LM134 Other Parts Discussed in Thread: LM334 , Hi, I am currently working on a design that has an operating temperature spec of -40°C to +80°C. For this design I need to use a current source to get a 5µA current. For testing purposes…

  • Resolved

  • over 2 years ago
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• LM134: Ultra high precision temperatue sensor .

  

  Ahmed Shaaban

  TI Thinks Resolved

  Part Number: LM134 Hello I need ultra high precision temperature sensor . I thinking to use the lm134 and calibrating it over the whale range using dry block calibrator . Please comment . Ahmed Shaaban

  • over 3 years ago
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• LM134: for PT100 stable current source but larger temperature drift

  

  Chris Peng

  TI Thinks Resolved

  Part Number: LM134 Dear BU friends: My customer developed BTS used LM134 for PT100 stable current source. But they tested the temperature drift is about 600ppm/C. They used the 25ppm high precision resistor. Could you please check the schematic? …

  • over 3 years ago
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