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Amplifiers

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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] [H] Frequently Asked Questions - High Speed & Signal Conditioning Amplifiers Selection Guide -INAs/PGAs

    Leaphar Castro
    Leaphar Castro
    Frequently Asked Questions: Amplifiers >> High Speed Amplifiers >> HSCA Selection Guide >> Instrumentation & Programmable Gain Amplifier Selection Guide JFET Input Bipolar Input CMOS Input FDAS Power Amps …
    • 12 days ago
    • Amplifiers
    • Amplifiers forum
  • [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
    • 1 month 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…
    • 4 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
    • 6 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
    • 6 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
    • 6 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
    • 6 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
    • 6 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
    • 6 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
    • 7 months ago
    • Amplifiers
    • Amplifiers forum
>

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  • Not Answered

    TLV2252AM: Why is the output unstable with op amps like the TLV2252? 0 Locked

    578 views
    3 replies
    Latest over 2 years ago
    by Ron Michallick
  • Answered

    INA823: INA823+ADS131 or ADS1231? device selection 0 Locked

    1019 views
    3 replies
    Latest over 2 years ago
    by Lo2
  • Answered

    LM6142: TLV1570CPWG4 0 Locked

    654 views
    4 replies
    Latest over 2 years ago
    by Jinisha Suresh
  • Suggested Answer

    OPA991-Q1: OPA991QDBVRQ1 0 Locked

    523 views
    1 reply
    Latest over 2 years ago
    by Ron Michallick
  • Not Answered

    INA210: Risk for immersion cooling analyzement 0 Locked

    578 views
    2 replies
    Latest over 2 years ago
    by Erick Hong
  • Suggested Answer

    INA3221: Can I run at 24V? 0 Locked

    596 views
    1 reply
    Latest over 2 years ago
    by Mitch M
  • Not Answered

    OPA855: Self-excited oscillation occurs in the TIA circuit by OPA855, please help, thanks. 0 Locked

    1077 views
    4 replies
    Latest over 2 years ago
    by Ignacio Vazquez Lam1
  • Answered

    LMH34400DRLEVM: Issue of the designing TIA and comparator (Using LMH34400, TLV3601) 0 Locked

    1247 views
    6 replies
    Latest over 2 years ago
    by Sima Jalaleddine
  • Answered

    THS6204: Differential Line Tranceiver for ARINC429 data voltage level +/-10V 0 Locked

    762 views
    6 replies
    Latest over 2 years ago
    by Ramin Tavassoli
  • Suggested Answer

    OPA1S2384: op-amp selection 0 Locked

    1683 views
    19 replies
    Latest over 2 years ago
    by Alec Saebeler
  • Answered

    LM339LV: Comparator generating voltage at the input pins 0 Locked

    938 views
    6 replies
    Latest over 2 years ago
    by Paul Grohe
  • Answered

    LMH6642: Question of LMH6642 Input Range 0 Locked

    1111 views
    12 replies
    Latest over 2 years ago
    by Alec Saebeler
  • Suggested Answer

    OPA859: Driving 1GHz on a coax cable with an OPA859 or BUF802 0 Locked

    933 views
    1 reply
    Latest over 2 years ago
    by Sima Jalaleddine
  • Answered

    TL082: TL082 TINA simulation 0 Locked

    1034 views
    3 replies
    Latest over 2 years ago
    by Gerasimos Madalvanos
  • Answered

    INA780A: Effect of Internal Kelvin Resistance on System Gain Error 0 Locked

    460 views
    1 reply
    Latest over 2 years ago
    by Peter Iliya
  • Answered

    INA296A: Output Voltage 0 Locked

    1217 views
    8 replies
    Latest over 2 years ago
    by Tamaki Tanji
  • Not Answered

    LMH6629: LMH6629 0 Locked

    659 views
    1 reply
    Latest over 2 years ago
    by Alec Saebeler
  • Not Answered

    OPA818DRGEVM: noise with photodiode 0 Locked

    580 views
    5 replies
    Latest over 2 years ago
    by Ignacio Vazquez Lam1
  • Suggested Answer

    LMP8646: LMP8646MKX/NOPB 0 Locked

    479 views
    3 replies
    Latest over 2 years ago
    by Guang Zhou
  • Answered

    INA240: Problem with reading current output during bulk current injection (BCI) test 0 Locked

    1132 views
    5 replies
    Latest over 2 years ago
    by Javier Contreras4
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