• TL974: periodical voltage drops on supply and output signal require massive cap

  

  Felix Müller

  TI Thinks Resolved

  Part Number: TL974 We try to use the TL974 to amplify a 30kHz signal with gain 10. However we see periodical power supply dipping which ca also be seen in the output signal. The TL974 is operated at 11V and uses a 100nF X7R parallel to a 1000uF electrolytic…

  • 22 days ago
  • Audio
  • Audio forum

• TL974: CMRR vs frequency

  

  Yusuke Mukuno

  TI Thinks Resolved

  Part Number: TL974 Hi Do you have the grough for CMRR vs frequency? Device : TL974 Thanks Muk

  • over 3 years ago
  • Audio
  • Audio forum
Answered

• TL974: Maximum VCC Supply voltage

  

  Steve Scarlata

  Resolved

  Part Number: TL974 Hi, I'm trying to understand the maximum supply voltage of the TL97X op amp. The data sheet lists VCC maximum 12V, with lots of reference to +-VCC, and the part has terminals VCC+, VCC- Does that mean the max voltage is 24V? Can…

  • Resolved

  • over 3 years ago
  • Audio
  • Audio forum

• TL974: Temp vs Ib characteristic graph

  

  Yusuke Mukuno

  TI Thinks Resolved

  Part Number: TL974 Other Parts Discussed in Thread: OPA1654 Hi, Do you have any Temp vs Ib characteristic graph for TL974, like below, (OPA1654 figure23) Thanks Muk

  • over 3 years ago
  • Audio
  • Audio forum
Answered

• TL974-Q1: Output idle noise check

  

  Alpha Han

  Resolved

  Part Number: TL974-Q1 Other Parts Discussed in Thread: OPA1612-Q1 Hi, Team: My customer use TL974-Q1 and find some part output noise is about 3uV but some part output noise is about 9.1uV. Can you help to check and advise if any parameters can show…

  • Resolved

  • over 3 years ago
  • Audio
  • Audio forum
Answered

• TL974: input current noise

  

  Yusuke Mukuno

  Resolved

  Part Number: TL974 Hi Expert Could you please provide the input current noise data for TL974IPWR? It is needed for the comparison against other opamp. Thanks Muk

  • Resolved

  • over 4 years ago
  • Audio
  • Audio forum
Answered

• TL974: unused amplifiers configuration

  

  Laurent Cariou

  Resolved

  Part Number: TL974 I'm using a TL974 as audio amplifiers line-up. Actually, 2 of them are used and the other 2 are unused amplifiers (legacy) According to both ANs from TI ref= sloa089 and ref= TI_OP_AMP_recommendation , the unused amplifiers should…

  • Resolved

  • over 5 years ago
  • Audio
  • Audio forum

• TL974: Reference voltage from TLV70025D 2.5V is not steady in some units

  

  user4935639

  TI Thinks Resolved

  Part Number: TL974 Other Parts Discussed in Thread: TLV700 , TLV713 Hi Ti team, We use TL974 as signal voltage supply buffer for Aux in, and use TLV70025 as 2.5V reference voltage for OPAMP positive input port, pls. refer. to the schematic…

  • over 6 years ago
  • Power management
  • Power management forum
Answered

• TL974-Q1: Thermal information, Psi-JT and Theta-JC

  

  takishin

  Resolved

  Part Number: TL974-Q1 Other Parts Discussed in Thread: TL972-Q1 , Our customer has a question about thermal information. I'm posting the question for the customer. TL972-Q1 and TL974-Q1. In current datasheet, only Theta-JA has been shown for each…

  • Resolved

  • over 7 years ago
  • Amplifiers
  • Amplifiers forum

• TL974: Simple voltage follower, not following at 0V but follows just fine at 5V

  

  Steve D9

  TI Thinks Resolved

  Part Number: TL974 Other Parts Discussed in Thread: TL971 , I am stumped. This is a quad opamp wired up with a single supply (0,5VDC), feeding into the positive is the output from a DAC(no resistor, straight connection). The output is fed back into…

  • over 8 years ago
  • Amplifiers
  • Amplifiers forum

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