Answered

• OPA2140: Higher frequency and lower noise version opamp

  

  Hiromu Susami

  Resolved

  Part Number: OPA2140 Other Parts Discussed in Thread: OPA2828 , OPA2156 Tool/software: Hi experts, Could you pick up some recomended opamps which have higher frequency and lower noise than OPA2140 as a replacement? My first thought is OPA2828. …

  • Resolved

  • 11 months ago
  • Amplifiers
  • Amplifiers forum

• OPA2140: Heat generation in differential single-ended conversion circuit

  

  Conor

  TI Thinks Resolved

  Part Number: OPA2140 Hi, The differential single-ended conversion circuit using OPA2140AIDGKT is generating heat. I would like you to check the circuit diagram, so is it possible for me to discuss it with you via private message? Thanks, Conor

  • over 2 years ago
  • Amplifiers
  • Amplifiers forum

• OPA2140: OPA2140AIDRGR

  

  Genrikh Kleynerman

  Part Number: OPA2140 I asked this question few months ago and the answer was the part will be released in April-May 2022: Is it already released or still in pre-release state?

  • over 3 years ago
  • Amplifiers
  • Amplifiers forum
Answered

• OPA2140: OPA2140AIDRGR

  

  Genrikh Kleynerman

  Resolved

  Part Number: OPA2140 Has the OPA2140AIDRGR been released? based on previously provided info, it was supposed to be released in Nov-2021. there is no info on this part, except a couple of forum messages. can you provide the part's status and availability…

  • Resolved

  • over 3 years ago
  • Amplifiers
  • Amplifiers forum
Answered

• OPA2140: POPA2140AIDRGR

  

  Genrikh Kleynerman

  Resolved

  Part Number: OPA2140 I need OPA2140 dual amp in DRG package. I found POPA2140AIDRGR, however it is not RoHS part. The data sheet advises contact TI on this part. What is part's production status? Is it RoHS part?

  • Resolved

  • over 4 years ago
  • Amplifiers
  • Amplifiers forum
Answered

• OPA2140: OPA2140 quiescent current

  

  frederic bocage

  Resolved

  Part Number: OPA2140 Hello, We have a design where the minimum consumption on both amplifier power supplies (+/-12V) is a key design driver. - What is the minimum quiescent current per amplifier to be considered ? At room temperature and in the whole…

  • Resolved

  • over 6 years ago
  • Amplifiers
  • Amplifiers forum

• OPA2140: OPA2140 has abnormal output current when used V/I conversion

  

  Kailyn Chen

  TI Thinks Resolved

  Part Number: OPA2140 Hello， Our customer used OPA2140 as 0~24mA current source, there is no problem during simulation, but actually, he met a question using PCB to test. 1) single 12V power supply, 0~2V input, and output 0~24mA, there is no problem…

  • over 5 years ago
  • Amplifiers
  • Amplifiers forum
Answered

• OPA2140: OPA2140AIDGKR baking condition

  

  Koji Sakurai

  Resolved

  Part Number: OPA2140 My customer wants to use OPA2140AIDGKR with baking condition 24hour 125C. Is it acceptable baking condition ? Best Regards Koji Sakurai

  • Resolved

  • over 4 years ago
  • Amplifiers
  • Amplifiers forum
Answered

• OPA2140: OPA2140AIDRGR (POPA2140AIDRGR) Exposed Pad connection (GND/-Vcc/floating?).

  

  Krzysztof Rybacki

  Resolved

  Part Number: OPA2140 The datasheet of OPA2140 does not explain how to connect the Exposed Pad of DRG package (S-PWSON-N8). Should it be connected to the GND potential, -Vcc, or just left floating?

  • Resolved

  • over 4 years ago
  • Amplifiers
  • Amplifiers forum

• OPA2140: input current noise

  

  Renan Santos Adriano

  TI Thinks Resolved

  Part Number: OPA2140 Hello Team, My Customer is using the OPA2140 as a positive amplifier for low noise DC source. They do not found any information about input current noise in the datasheet. They did some tests and found out that the noise depends…

  • over 5 years ago
  • Amplifiers
  • Amplifiers forum

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