https://e2e.ti.com/support/amplifiers-group/amplifiers/Find answers, share knowledge, solve problems with fellow engineers.en-USTelligent Community 13https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1626618/ina950-sep-zero-stock-of-part-and-no-samples-availability/6296133Fri, 03 Apr 2026 20:03:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:a740a137-711c-4edf-85b0-99d56be60e60Hayden JeanorHello Levi, I am also having the same issue of not being able to see stock on the INA950. Could you also email me with details of how to procure stock of this component? Thank you, Hayden Jeanor hayden@stellar-exploration.comhttps://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1633291/ina241b-opamp-buffer-for-ref1-and-ref2/6296080Fri, 03 Apr 2026 16:07:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:701b2327-db51-41f5-86f7-1ae428c376bcLouis LDear Keith, Thanks for the question and using the E2E forum. Due to the U.S. holiday, we are currently out of the office. Someone will reply when we return starting 4/6.https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1633165/lmh7324-i-want-to-convert-single-ended-nim-level-0-8v-to-lvds-using-lmh7324/6296043Fri, 03 Apr 2026 15:08:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:db4f0b16-ca41-4cdf-8d83-dff362be170cChuck SinsThanks for your post. We are on holiday break and will review your post once we return on April 6 Sorry for the delay. Chuckhttps://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1633291/ina241b-opamp-buffer-for-ref1-and-ref2Fri, 03 Apr 2026 15:06:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:953c1f25-c1b3-46bb-8a95-8aaac7d06ffbKeith KellerPart Number: INA241B Hello, We're designing with the INA241B and had a quesiton about using an opamp to buffer that input. It doesn't seem like this is necessary, but i found another post discussing better accuracy with the opamp. Could you please commnet on the best configuration & errors we could anticipate? Thank you, KeithAppliancesINA241Bhttps://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1632218/tas6424-q1-tas6424-integration/6295973Fri, 03 Apr 2026 13:09:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:17e81764-36d7-46f6-910b-6a76bd7e2fe5Kokila KaruppusamyI checked the waeform, MCLK, BCLK,LRCK and SDATA seems to fine, still no audio output. This is my i2cdump when playing the audio. Kindly help me here 130|car_tcc8050_arm64:/ # i2cdump -y -f 2 0x6a 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 00 32 62 54 00 cf cf cf cf 00 11 11 00 00 00 55 .2bT.????.??...U 10: 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 ... ............ 20: 00 00 01 14 00 00 40 22 0a 00 00 00 00 00 00 00 ..??..@"?....... 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 50: 00 00 00 aa 00 00 00 00 00 00 00 12 32 f2 00 00 ...?.......?2?.. 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ car_tcc8050_arm64:/ #https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1633257/pga309-coding-error-in-tbale-6-10-error-pga309-user-s-guide-sbou024cFri, 03 Apr 2026 11:36:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:a53b393e-0b9c-4071-9a51-ab2dca356aceFREDERIC PERONNETPart Number: PGA309 Hello I think there's an error in table 6-10 contained in the PGA309 user's guide (SBOU24C) The code 10101 appear twice in this table. Can you confirm this issue? Thanks for your answer FREDERICPGA309https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1633190/ina1h94-sp-impact-on-input-reference-voltageFri, 03 Apr 2026 08:13:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:c9dbabf1-a524-4482-b972-86c9db28a596ishii-koPart Number: INA1H94-SP Hello. Team, We are applying a reference voltage of 2V from a reference device to the INA1H94-SP Vref pin. If the differential input fluctuates greatly, will it affect the applied reference voltage in any way? (our oparating voltage range = -56V to 86V) Is a protection circuit necessary between the output of the reference device and the Vref pin of the INA1H94-SP? Please advise me. Thanks and Regards, KojiINA1H94-SPhttps://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1633005/ths3491-right-opamp-device-for-vin-0-to-2-5v-vout-0-to-12v-with-driving-110ohm-load/6295816Fri, 03 Apr 2026 07:19:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:112727f0-ff61-4d81-a297-520b9d8f7a01Isao TakigasakiI got it. The customer got the result on "PSpice for TI". Could you show the output voltage waveform with 2.5V 10MHz rectangular input and enough supply voltage in PSpice simulation? I will ask the customer the point you pointed out. Best Regards, Takihttps://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1633165/lmh7324-i-want-to-convert-single-ended-nim-level-0-8v-to-lvds-using-lmh7324Fri, 03 Apr 2026 06:48:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:9d637453-5692-4861-b892-553d3dd81de6mjain jainPart Number: LMH7324 (kicad_sch (version 20230121) (generator eeschema) (uuid 16a4239a-b162-4546-9b0f-e56ca565483a) (paper "A4") (lib_symbols (symbol "Device:R_Small_US" (pin_numbers hide) (pin_names (offset 0.254) hide) (in_bom yes) (on_board yes) (property "Reference" "R" (at 0.762 0.508 0) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Value" "R_Small_US" (at 0.762 -1.016 0) (effects (font (size 1.27 1.27)) (justify left)) ) (property "Footprint" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "Datasheet" "~" (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property "ki_keywords" "r resistor" (at 0 0 0) (effects (font (size 1.27 1.27)) hide) ) (property 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"/d2c63ea4-dcd9-4398-a151-787d9f3e9cc8/ea8f20fb-5417-4af6-94d7-0277c9f3935f" (reference "R135") (unit 1) ) ) ) ) )LMH7324Test & Measurementhttps://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1632716/opa602-regarding-pcn-and-last-time-ship-date/6295792Fri, 03 Apr 2026 06:47:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:6fc77295-95c3-48c0-bc53-0f8d42bf422fKarunakar VeerapatnamIts Bit urgent to us .please do as soon as possible.https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1631752/xtr200-xtr200-0-10v-output/6295768Fri, 03 Apr 2026 06:29:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:afae083f-85aa-41ad-a4da-233caecc913fAhmet BurmaHi Ashley. DAC output voltage is max 4.0V. AMC1351 gain is x0.4. XTR output formula is here; XTR_Output = DAC_Voltage * AMC_Gain * TLV_Gain * XTR_Voltage_Constant XTR_Output = 4.0 * 0.4 * 1.69 * 3.75 XTR_Output = 10.14V max. DAC voltage is not enough for 10V output. Because AMC1351 gain is 0.4. If disable XTR output using the OD pin, the output voltage doesn't drop exactly to 0. I understand that. A few millivolts is acceptable. But 50mv is so much. So, by using the OD pin, I can pull the output voltage down to a value close to 0V. Is that correct? Thanks.https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1631786/tlc272-inquiry-regarding-input-protection-circuit-of-tlc272cpwr/6295667Fri, 03 Apr 2026 03:39:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:8588aeb8-3f79-4b80-a1c3-28d92dbdb50aKyoheiHi Art-san, Thank you for your support. We understand that it is possible to distinguish the lots by using a diode check with a digital multimeter. However, would it be difficult to identify the lot based on the top marking? Best regards, Kyoheihttps://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1632295/tas67524-q1-reg-fusa-document/6295620Fri, 03 Apr 2026 02:29:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:42cc4e97-37b0-4223-92b9-460f36105146SAKTHIRAAM BI am Required access to open the link What is difference between the TAS67524-Q1 and TAS6754-Q1https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1632295/tas67524-q1-reg-fusa-document/6295613Fri, 03 Apr 2026 02:26:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:f80a117c-0536-4e28-9165-8e08d43fef87SAKTHIRAAM BI am Required access to open the linkhttps://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1632295/tas67524-q1-reg-fusa-document/6295571Fri, 03 Apr 2026 01:34:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:db5db550-51fe-43df-bd67-30e1a3ed5509Shadow HeHi Kindly follow below link to get it. https://www.ti.com/drr/opn/TAS67524-Q1-DESIGNhttps://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1633090/ina241a-faq-ina241-vs-ina296-selecting-devices-with-or-without-pwm-rejection/6295547Fri, 03 Apr 2026 00:48:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:c19c180c-196a-4f25-93de-e5b90e4b62b5Joe VanacoreLet me first describe the problem PWM rejection is trying to address. With standard current sense amplifiers such as the INA296, common mode voltage transients on the inputs disturb the output voltage. This causes high frequency, 200mV ripple on the output for each high-speed edge of the input common mode voltage. Here is the figure from the INA296 datasheet illustrating this: Now let’s compare this output response to the INA241: You can see that the output maintains ~50mV of voltage coupled from input to output. Here is an actual scope capture from lab where channel 4 is the AC coupled output of the INA241: In practice, the INA241 samples the output at some point during the high frequency transient and holds it for approximately 1µs. The output also “steps to the correct output value towards the end of the 1µs holding window. You may also notice the HF transients still getting picked up on the probe. For testing the INA241, it is recommended to use the “pigtail” method for GND loop minimization: As described in the INA241 datasheet, “when INA241x-Q1 senses the large common-mode ΔV/Δt transients on the input pins, the device holds the output for 1μs, thereby preventing the common-mode disturbance from propagating to the output.” The ΔV/Δt where the PWM rejection activates in the INA241 is for common mode transients greater than 100V/µs. If the ΔV/Δt is less than 100V/µs, then the performance is the same as the INA296 in terms of common mode coupling from input to output. You will also notice that at the top of the datasheet for the INA241, the maximum supported switching frequency is 125kHz, corresponding to an 8µs total period. It is also assumed to be used in an application with 50% duty cycle for the voltage waveform (4µs on and 4µs off). This is where the following statement in the datasheet comes from: “The enhanced PWM rejection is achieved up to a PWM frequency of 125kHz or if common-mode transient edges are separated by a 3μs interval or more.” It is recommended to operate at or below the 125kHz switching frequency for common mode voltages, corresponding to a 1µs hold time with 3µs recovery. What is the tradeoff of this feature? As shown in the previously provided scope captures, there is a 1µs period where the output is not in a valid state if the common mode voltage rise time slope is more than 100V/µs. It will not accurately track the input waveform for these fast transients for 1µs. This becomes potentially more critical in PWM applications where the switching frequency is approaching 125kHz. In these faster PWM applications, the phase accuracy may be more critical than common mode coupled transient spikes on the output. In this case, the INA296 is the preferred device. Can you minimize common mode transients and have phase accuracy in higher speed PWM applications? Yes, but nothing is free. You will need to implement passive components to create a differential filter across the inputs of the INA296 and add common mode capacitors on each input as shown in this FAQ: (+) [FAQ] INA181: How do I properly design an input filter for my INA18x-Q1 device? - Amplifiers forum - Amplifiers - TI E2E support forums To conclude, we offer current sense amplifiers with and without PWM rejection. PWM rejection reduces the coupling on the output from input common mode voltage transients greater than 100V/µs with the tradeoff being phase accuracy. With common mode voltage transients with less than 100V/µs, devices with and without PWM rejection perform the same. If phase accuracy is crucial in your high-speed application with faster than 100V/µs common mode voltage transients, we suggest using a current sense amplifier without PWM rejection. By increasing physical solution size with passives and BOM cost, you can also implement an input filter as shown above.https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1633090/faq-ina241-vs-ina296-selecting-devices-with-or-without-pwm-rejectionFri, 03 Apr 2026 00:44:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:d75346ef-77d2-4428-9f0a-0c37b00460e5Joe VanacorePart 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 between two devices where one has PWM rejection, and one does not?INA241AINA296INA240INA750INA790https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1633005/ths3491-right-opamp-device-for-vin-0-to-2-5v-vout-0-to-12v-with-driving-110ohm-load/6295488Thu, 02 Apr 2026 23:32:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:e6c69e54-696c-4977-993b-b3b2edcb4959Ignacio Vazquez Lam1Hi Taki, Can you share the power supply configuration for the customers design? They might be running into an output range limitation as this device is not rail to rail. If the customer is using appropriate supplies, this device should not have an issue driving that load at those speeds. Best Regards, Ignaciohttps://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1632468/lm6172qml-output-stage-explanation/6295486Thu, 02 Apr 2026 23:26:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:0b757440-f607-42f7-9d3a-3b9e2e2c7b9dIgnacio Vazquez Lam1Hi, This is something I will have to look into as this is likely a layout difference causing the different readings. Just for some clarity, when you mention previous experience with this part, are you saying you have read different (higher) resistive values in a different batch of devices from what you are measuring now? Or in the previous batch you don't see a difference between the channels? Best Regards, Ignaciohttps://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1632716/opa602-regarding-pcn-and-last-time-ship-date/6295478Thu, 02 Apr 2026 23:12:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:597003c5-3976-4450-b653-716829c49004Chris FeatherstoneHello, I will need a few days to look into this with our team. I will respond once I have an answer. Best Regards, Chris Featherstone