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Texas Instruments (TI) Amplifiers support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search amplifier IC content or ask technical support questions on everything from precision and general purpose operational amplifiers (op amps) to instrumentation and differential amplifiers. Find the right solution for your circuit design challenges by using our TI E2E™ support forums that are supported by thousands of contributing TI experts.
Frequent questions
  • [FAQ] XTR105: XTR105: Calculating Rg & Rlin

    Caro Gomez
    Caro Gomez
    Part Number: XTR105 Hello, Do resources exist to calculate Rg and Rlin1/Rlin2 for 2-wire and 3-wire configurations? All the best, Carolina
    • Answered
    • 10 days ago
    • Amplifiers
    • Amplifiers forum
  • [FAQ] LOG200: Output oscillation

    Shuji Ishiwata
    Shuji Ishiwata
    Part Number: LOG200 Hi All, I have a question regarding the LOG200. The output is oscillating on a customer's circuit board, and I am seeking your assistance. The circuit board situation is as follows: A PD in a completely dark state is connected…
    • 3 months ago
    • Amplifiers
    • Amplifiers forum
  • [FAQ] INA241 vs INA296: Selecting Devices with or without PWM Rejection

    Joe Vanacore
    Joe Vanacore
    Part Number: INA241A I am looking for a high voltage, precise current sense amplifier and both the INA241 and the INA296 families meet my design requirements. I see that the INA241 has a PWM reject feature like the INA750 and INA790. How do I decide…
    • Answered
    • 5 months ago
    • Amplifiers
    • Amplifiers forum
  • [FAQ] INA240: What are the INA240 Schematic and Design recommendations?

    Levi DV
    Levi DV
    Part Number: INA240 What Size Resistors should be used with the INA240? Can a voltage divider be used to drive the reference input of the INA240? Why does the output of the INA240 seem distorted compared to the measured current?
    • Answered
    • 5 months ago
    • Amplifiers
    • Amplifiers forum
  • [FAQ] INA181: How do I properly design an input filter for my INA18x-Q1 device?

    Carolus Andrews
    Carolus Andrews
    Part Number: INA181 Other Parts Discussed in Thread: INA180 , INA240 How do I properly design an input filter for my INA18x-Q1 device?
    • Answered
    • 5 months ago
    • Amplifiers
    • Amplifiers forum
  • [FAQ] How to use the ALERT pin of a digital power monitor

    Guang Zhou
    Guang Zhou
    Part Number: INA236 Other Parts Discussed in Thread: INA3221 , INA209 , , INA228 , INA237 I want to use the ALERT pin of a digital power monitor, what should I pay attention to?
    • Answered
    • 5 months ago
    • Amplifiers
    • Amplifiers forum
  • [FAQ] INA228: Current not reading as expected

    Mitch M
    Mitch M
    Part Number: INA228 Other Parts Discussed in Thread: SYSCONFIG I’m reading the current register value, but the result is wrong. Why am I not reading the value that I expect to be reading?
    • Answered
    • 5 months ago
    • Amplifiers
    • Amplifiers forum
  • [FAQ] INA238: Troubleshooting I2C Communication Failures (NACK) in TI Current Sense Power Monitors

    Mallika Senthil
    Mallika Senthil
    Part Number: INA238 Other Parts Discussed in Thread: PCA9306 , TCA9517 I’m getting a “no acknowledge” (NACK) when I try to communicate with the power monitor.
    • Answered
    • 5 months ago
    • Amplifiers
    • Amplifiers forum
  • [FAQ] INA229: Registers are reading incorrectly

    Louis L
    Louis L
    Part Number: INA229 Other Parts Discussed in Thread: INA239 Why is it when I try reading a register, it appears that I'm actually reading a completely different register? For example, I read 0x3F but I get the results from register 0x3E instead.
    • Answered
    • 6 months ago
    • Amplifiers
    • Amplifiers forum
  • [FAQ] INA186-Q1: INA186 - Abs Max ratings

    Holly R
    Holly R
    Part Number: INA186-Q1 Other Parts Discussed in Thread: INA186 Can the INA186 handle a VCM beyond Abs Max for a short amount of time?
    • Answered
    • 6 months ago
    • Amplifiers
    • Amplifiers forum
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  • Not Answered

    [FAQ] [H] Frequently Asked Questions - High Speed Amplifiers 0 Locked

    6886 views
    0 replies
    Started over 2 years ago
    by Nick Nauman
  • Suggested Answer

    LM231: LM231 triangle wave output 0

    61 views
    5 replies
    Latest 50 minutes ago
    by Ashley Kang
  • Suggested Answer

    INA333: Interpretation of typical, min, max number and statistical information in the datasheet 0

    23 views
    1 reply
    Latest 1 hour ago
    by Robert Clifton56
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    LMH6518DESIGN-CALC: LMH1297 0

    32 views
    2 replies
    Latest 1 hour ago
    by Luc
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    OPA2277: Suppk 0

    56 views
    3 replies
    Latest 2 hours ago
    by Art Kay
  • Suggested Answer

    PGA855: PGA with I2C/SPI 0

    30 views
    1 reply
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    AMC0381D-Q1: Need "Output Rise and Fall Time vs Temperature" and "IN to OUTP, OUTN Signal Delay vs Temperature" for the part AMC0381D-Q1 0

    25 views
    2 replies
    Latest 3 hours ago
    by Tom Hendrick
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    OPA140: distortion of the output voltage waveform 0

    31 views
    3 replies
    Latest 3 hours ago
    by Carrie
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    LMH6720: LMH6720 oscillation 0

    16 views
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    Latest 5 hours ago
    by Lukas Ping
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    THS3491: THS3491 phase margin setup 0

    91 views
    5 replies
    Latest 5 hours ago
    by Lukas Ping
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    AMC0381D-Q1: Request for SPICE Model for part AMC0381D-Q1 0

    20 views
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    Latest 5 hours ago
    by Alexander Smith
  • Suggested Answer

    INA183: schematic check 0

    25 views
    1 reply
    Latest 6 hours ago
    by Carolus Andrews
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    OPA4350: Temp range 0

    23 views
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    Latest 6 hours ago
    by Paul Grohe
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    INA4230: INA4230 accuracy issue - setting adjustment suggestions 0

    366 views
    20 replies
    Latest 6 hours ago
    by Mitch M
  • Suggested Answer

    INA213: TI-INA213 schematic review 0

    114 views
    7 replies
    Latest 6 hours ago
    by Guang Zhou
  • Suggested Answer

    TLV333: Input driver design of TLV333 0

    174 views
    12 replies
    Latest 6 hours ago
    by Paul Grohe
  • Not Answered

    INA821: INA821:IN- and vout is a triangular wave 0

    22 views
    1 reply
    Latest 7 hours ago
    by Robert Clifton56
  • Answered

    OPA593: OPA593 - Pin 12 E/D Outputting -5.2V 0

    83 views
    5 replies
    Latest 10 hours ago
    by Jacob Nogaj
  • Not Answered

    LMH32401: LMH32401/4: Noise and gain in spice model 0

    71 views
    2 replies
    Latest 12 hours ago
    by Elbert Bechthum
  • Not Answered

    TAS6584-Q1: TAS6584 Single-Channel I2S Playback Configuration Query 0

    48 views
    1 reply
    Latest 14 hours ago
    by Liam Ryu
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