Answered

• OPA1642: OPA1642

  

  Kenneth Aquino

  Resolved

  Part Number: OPA1642 My question is what is a ballpark number for the capacitance of the ESD diodes inside the OPA1642 op-amp. I'm using the OPA1642 as a transimpedance amplifier for a photodiode. TIA gain (the TIA is a capacitive TIA, with a voltage…

  • Resolved

  • 3 months ago
  • Audio
  • Audio forum

• OPA1642: Application in single power supply

  

  Bolin He

  TI Thinks Resolved

  Part Number: OPA1642 Other Parts Discussed in Thread: OPA1652 , OPA1688 Dear, Is there a recommended application for OPA1642 working in +5V single power supply, is there any risk? It seems below application not working properly, it on some units get terrible…

  • 6 days ago
  • Audio
  • Audio forum
Answered

• OPA1642: vs. OPA1652 Output voltage vs. Output current

  

  Sarah Cratem

  Resolved

  Part Number: OPA1642 Other Parts Discussed in Thread: OPA1652 Hi team, The following two sets of Output Voltage vs. Output Current characteristic curves seem to behave in opposite manners. For OPA1642, the output current (limit) appears to increase with…

  • Resolved

  • 26 days ago
  • Audio
  • Audio forum
Answered

• OPA1642: Less than unity gain?

  

  Jerry Gorman

  Resolved

  Part Number: OPA1642 Any chance the OPA1642 in inverting mode is stable at 1/3 gain? R1 is 10K feeding the negative input and R2 the feedback resistor is 3.33K. Needed over audio range. This seems like a no-no but I have to ask as I'm dealing with a board…

  • Resolved

  • 8 months ago
  • Audio
  • Audio forum
Answered

• OPA1642: Offset drift parameter

  

  V 666

  Resolved

  Part Number: OPA1642 Other Parts Discussed in Thread: OPA1652 , OPA1662 , OPA2141 , NE5532 , OPA1678 , OPA1679 , OPA1688 Hello, I was looking for information about offset voltage temperature dependence - opa1642 spice model does not include this. Using the cross…

  • Resolved

  • over 1 year ago
  • Audio
  • Audio forum

• OPA1642-Q1: opa1642-q1 FABRICATION PROCESS

  

  LIOUAEDDIN BOUKHANA

  Part Number: OPA1642-Q1 Hello , I am looking for some informations regading the process FAB Technology of the opa1642-q1 : -The Mask SET / The die Revision . -How we can get easily the FAB Site / The Diffusion Lot /the Wafer N° Those requested datas…

  • over 2 years ago
  • Audio
  • Audio forum

• OPA1642: OPA827, OPA2140 & OPA1642 source impedance and distortion issue.

  

  Petr Novak51

  TI Thinks Resolved

  Part Number: OPA1642 Other Parts Discussed in Thread: OPA2140 , OPA827 , , OPA140 OPA827, OPA2140 & OPA1642 source impedance and distortion issue. Dear Sir/Madam, While reviewing the datasheet OPA1642, by chance, I learnt the specifications in chapter…

  • over 3 years ago
  • Audio
  • Audio forum
Answered

• OPA1642: Date code question

  

  Fiorella Vargas

  Resolved

  Part Number: OPA1642 Hello, I’d like to understand what the date code “1714+5” means. P/N OPA1642AIDR was procured twice, once with a date code reading "1714" and once with a date code reading "1714+5". I’d like to understand the difference I’m seeing…

  • Resolved

  • over 2 years ago
  • Audio
  • Audio forum

• OPA1642: Life testing at 125C?

  

  Fiorella Vargas

  TI Thinks Resolved

  Part Number: OPA1642 I'm interested in knowing if these parts have gone through life testing at 125C? My team is looking upscreen these parts and are seeking guidance regarding what temperature to perform life test at since the package is rated at 85C…

  • over 2 years ago
  • Audio
  • Audio forum
Answered

• OPA1642: impedance detector circuit - issue can i use opa1642

  

  Sam Macdonald

  Resolved

  Part Number: OPA1642 Other Parts Discussed in Thread: DIP-ADAPTER-EVM , OPA2134 , RC4558 , TL072 Hello, I have on hand 3 OPA1642s. My Technics SU-V9 is having relay issues, and needs a recap, and possible opamp change. The currenty is AN6552. I can get an…

  • Resolved

  • over 3 years ago
  • Audio
  • Audio forum

Didn't find what you are looking for? Post a new question.