• LM139A: part number differences

  

  Adam Daluga

  TI Thinks Resolved

  Part Number: LM139A Other Parts Discussed in Thread: LM139 , , , LM139-N Hello, Could you please let me know the differences in these part numbers? LM139AJ/PB LM139AJ LM139AJB Thanks, Adam

  • over 2 years ago
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• LM139A: Difference

  

  Ray Vincent Aranzaso

  TI Thinks Resolved

  Part Number: LM139A Other Parts Discussed in Thread: LM139-N , , Hi, Good Day. What is the difference between LM139J/883 and LM139AJ/883? Is this related to the die used? Or the transition of National Semiconductor devices to Texas Instruments? …

  • over 3 years ago
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• LM139A: LM139A Input characteristics

  

  John Vranes

  TI Thinks Resolved

  Part Number: LM139A Other Parts Discussed in Thread: LM339 Hello. I have some questions regarding the datasheet/specifications for the LM139A comparator. They seem similar to other questions that have been asked, so please bear with me, as I'd like to…

  • over 5 years ago
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Answered

• LM139A: What test configuration used for Figure 4/5 waveforms in datasheet?

  

  Jim Brinkhurst1

  Resolved

  Part Number: LM139A Other Parts Discussed in Thread: LM139-N Hi Experts Can someone provide the test configuration used for Figures 4 & 5 in the data sheet? I’d like to know the input wave forms for both inputs. Thanks! Jim B

  • Resolved

  • over 3 years ago
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Answered

• LM139A: LM139A

  

  Stanley Tang

  Resolved

  Part Number: LM139A Hello, I am trying to protect the inputs of the LM139A. From a previous post, it does not have ESD diodes so I will be clamping with external Schottkys. One input pin is always within the common mode while the other is being clamped…

  • Resolved

  • over 6 years ago
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• LM139A: Negative input

  

  Gary Berrios

  TI Thinks Resolved

  Part Number: LM139A Other Parts Discussed in Thread: LM339 , LM139 With a negative input of -12V through 3K Ohms, we've never experienced a false state but are we "on the edge"? Opposite input = +1.2V through 750 Ohms.. Operation at +15 to +30C. The datasheet…

  • over 4 years ago
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Answered

• LM139A: Moisture Sensitivity Level (MSL)

  

  Jon Stewart

  Resolved

  Part Number: LM139A What is the MSL for this family of parts?

  • Resolved

  • over 4 years ago
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Answered

• LM139A: Power Dissipation Calculations

  

  rahul ravi

  Resolved

  Part Number: LM139A How does one calculate the power dissipation for this part? What is the rated power dissipation for this part? I am looking for an electrical way to estimate the power dissipation for ex.: Pd=Vcc*ICC. Is there an electrical way to…

  • Resolved

  • over 5 years ago
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Answered

• LM139A: Output transistor surge current.

  

  Michael Hoffman

  Resolved

  Part Number: LM139A Other Parts Discussed in Thread: LM139 I see that for this component the maximum continuous output current is 20 mA. In my design I have a zener diode regulating the output voltage of the device to 12V. Upon switching off, the zener…

  • Resolved

  • over 6 years ago
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• LM139A: Output surge current rating for capacitive load

  

  Kiran Kerai

  TI Thinks Resolved

  Part Number: LM139A In the linked thread, it was discussed that the 20mA output current limit should not be exceeded. One of the replies suggested that infrequent excursions above this limit may have little impact on life of the product. Is there a…

  • over 5 years ago
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