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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 …
    • 29 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
    • 2 months 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…
    • 5 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
    • 7 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
    • 7 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
    • 7 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
    • 7 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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  • Answered

    LMV393-N: What happens when Input voltage goes above Vcm? 0 Locked

    512 views
    2 replies
    Latest over 1 year ago
    by Paul Grohe
  • Answered

    INA745B: INA745B, VBUS used separately from IS+ / IS- and VBUS is lowering Voltage on measured PINS 0 Locked

    630 views
    4 replies
    Latest over 1 year ago
    by Mitch M
  • Suggested Answer

    AMC3330: Schematic review 0 Locked

    460 views
    1 reply
    Latest over 1 year ago
    by Eva Mason
  • Answered

    INA500: Could INA500 for LVDS or MIPI applications? 0 Locked

    423 views
    2 replies
    Latest over 1 year ago
    by Alec Saebeler
  • Answered

    TLC2252A: Can the supply voltage be +16V / 0V? 0 Locked

    433 views
    3 replies
    Latest over 1 year ago
    by Chris Featherstone
  • Suggested Answer

    AMC1200: amc1200 0 Locked

    1906 views
    23 replies
    Latest over 1 year ago
    by Ross Atkinson
  • Suggested Answer

    LMV761: Phase Reversal at input common mode exceedance 0 Locked

    518 views
    2 replies
    Latest over 1 year ago
    by Ron Michallick
  • Suggested Answer

    TPS63806: TPS63806 0 Locked

    330 views
    1 reply
    Latest over 1 year ago
    by Tao Zhang
  • Answered

    LMH5401: Does the PSPICE Model Include Package Parameters? 0 Locked

    401 views
    2 replies
    Latest over 1 year ago
    by Takuya Wadatsumi
  • Not Answered

    LMV712-N: follow-up to "LMV712-N: LMV712TL/NOPB output dithers but not in response to input signal" 0 Locked

    468 views
    3 replies
    Latest over 1 year ago
    by Ron Michallick
  • Answered

    LMH9235: EVM for this device is not available 0 Locked

    362 views
    1 reply
    Latest over 1 year ago
    by Hruday Kumar Mudireddy
  • Suggested Answer

    LM2904BA-Q1: LM2904BA-Q1 PPAP documents 0 Locked

    546 views
    2 replies
    Latest over 1 year ago
    by Ashley Kang
  • Suggested Answer

    INA281: Output glitch when Vcc brown in/brown out 0 Locked

    654 views
    5 replies
    Latest over 1 year ago
    by Holly R
  • Not Answered

    THS4505: output range of the differential amp 0 Locked

    559 views
    3 replies
    Latest over 1 year ago
    by Sima Jalaleddine
  • Not Answered

    INA823: Easy calculation tool for gain error 0 Locked

    628 views
    1 reply
    Latest over 1 year ago
    by Ashley Kang
  • Suggested Answer

    OPA994: The relationship between output current ability and power supply 0 Locked

    839 views
    9 replies
    Latest over 1 year ago
    by Caro Gomez
  • Answered

    CS-AMPLIFIER-ERROR-TOOL: LM107J8 0 Locked

    395 views
    2 replies
    Latest over 1 year ago
    by Guang Zhou
  • Suggested Answer

    TLV6001-Q1: TLV6001QDCKRQ1 several documents needed 0 Locked

    448 views
    1 reply
    Latest over 1 year ago
    by Gerasimos Madalvanos
  • Not Answered

    ISO124: ISO124 data sheet specification unclear 0 Locked

    358 views
    1 reply
    Latest over 1 year ago
    by Alexander Smith
  • Suggested Answer

    LM321: LM321 0 Locked

    593 views
    4 replies
    Latest over 1 year ago
    by Raymond Zhang1
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