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  • OPA4134: PSR

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    Other Parts Discussed in Thread: OPA4134 I have a few questions regarding [OPA4134's PSR (Power Supply Voltage Fluctuation Removal)]. I am currently using your company's OPA4134 to study electrical circuits, but the PSR is not working properly. …
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  • OPA1644: OPA1644 or OPA4134 for High End Guitar Audio amplification

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    Part Number: OPA1644 Other Parts Discussed in Thread: OPA4134 , , OPA1656 , OPA828 , OPA627 , TL072 , OPA1612 , JFE150 , OPA202 , BUF634A , INA1620 , OPA1678 , TL074 , OPA1679 , OPA1641 , OPA1655 , OPA1611 , OPA637 Hello TI Audio World, I'm working on a Guitar audio processor…
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  • OPA4134: Input Referred Noise (Figure 8)

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    Part Number: OPA4134 Folks, A quick question regarding the units on the y-axis of figure 8: Just eyeballing the numbers, if we do a noise integration from say 100-10000 Hz, we should get ~ (9900)^0.5 * ~ 10nV/rthz which is roughly 1uV. The number…
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  • OPA4134: Problems with reading a digital push button POT

    Part Number: OPA4134 Channel outout is Pin 14 4.2V , VCC=5V, Vin+= 1.3 Vpk , Vin- R1= 3.9K, R2 =6.8K Provide case details or comments The input + Pin 12 = sin Vpk-pk = 1.7 V, ., thias isgnal cames from cell A from the same OP We use Av = R2/R1 +1 ;…

  • OPA4134: DC Offset spec issue

    TI Thinks Resolved
    Part Number: OPA4134 Hello! Please help that we bought the OPA4134 part and the component was measured alone as follow to datasheet R1(10) AND R2(1K) signal gain will be 101. then measured result did 381mV is it correct. test condition is +15V and -15V…

  • OPA4134: OPA4134 running really hot. (50C) is this normal?

    TI Thinks Resolved
    Part Number: OPA4134 Hi, I recently worked on an audio line input to an A/D converter. The circuit seems to work properly, but I've noticed that the OPA4134 gets really hot. Is this normal for this opamp? or something I should change to avoid this…

  • OPA4134: OPA4134 saturation problem

    Part Number: OPA4134 We found a problem with the OPA4134. When we use below circuit and test condition. we found the output goes to positive saturation with this configuration. Instead, when we use the competition part of MAX4423, the problem is gone. what…

  • TINA/Spice/OPA4134: 2nd order low-pass filter

    TI Thinks Resolved
    Part Number: OPA4134 Other Parts Discussed in Thread: TINA-TI Tool/software: TINA-TI or Spice Models How to implement 2nd order low-pass filter by difference amplifier input within one amplifier part. Cross frequency about 600kHz Thanks
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  • OPA4134 termination of unused pin

    Resolved
    Other Parts Discussed in Thread: OPA4134 Hi My cuatomer is using OPA4134. He has a question. He think termination of unused pin as an attached file. Is there a problem? Thanks Shimizu termination of unused pin.pptx
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  • opa2132 pre-amp into a opa4134

    Other Parts Discussed in Thread: OPA4134 , OPA2132 I have a board made that takes a opa2132 as a pre-amp and its output into the input of a opa4134. All amps work great, but when connecting the 2132 output into the 4134 inputs sll you get elc noice and…

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