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  • OPA4277: opa4277 analog

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    Part Number: OPA4277 Other Parts Discussed in Thread: OPA4196 Dear Sir, please answer I need to pick up a replacement of OP747AR amplifier. The case may be different, it is important that the parameters are close. Important: power supply +/- 15 V, rail…
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  • OPA4277-SP: Rad Hard - Thermocouple Measurement Design

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    Part Number: OPA4277-SP Other Parts Discussed in Thread: XTR105 Hi Team, My customer would like to develop similar to design that we have on www.ti.com/.../opa4277-sp.pdf XTR105 seems only catalog device, can you please support if we can offer any alternative…
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  • OPA4277-SP: Post and During Irradiation

    Part Number: OPA4277-SP Hello Team, My Customer would like to ask if we have a graph for Input Noise and Current Noise Spectral Density vs Frequency (like this https://www.ti.com/lit/er/sboz002/sboz002.pdf ) however, in POST or DURING IRRIADIATION? Thanks…
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  • OPA4277-SP: Noise Spectral Density Response

    Resolved
    Part Number: OPA4277-SP Other Parts Discussed in Thread: OPA4277-EP , , OPA4277 Hi Team, Our customer has noticed a discrepancy given on OPA4277-SP datasheet, particularly on Figure 3. The response were seemingly not properly aligned with the noise density…
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  • OPA4277: What is modern replacement of OPA4277 chip?

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    Part Number: OPA4277 Other Parts Discussed in Thread: OPA4192 , OPA4196 , OPA4188 , OPA277 , OPA2277 , OPA4388 Hi, In my application I use a few OPA4277 chips. Sometimes I have to make manual offset correction of some amplifiers due to big factory input offset…
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  • OPA4277: Opamp Heats up

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    Part Number: OPA4277 Other Parts Discussed in Thread: OPA4227 , LMC6464 , LMC6064 HELLO, I am using this op-amp for small application. its temp is high for simple inverting amplifier also. pls tell the solution for that or whats the reason behind this …
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  • OPA4277-EP: Failure Modes

    Resolved
    Part Number: OPA4277-EP Other Parts Discussed in Thread: OPA4277 , We are having one design using OPA4277. In our application, we use +6V/-6V power supply to OPA4277, it's a simple DC inverter and level shifting circuit. Due to heavily capacitance (0.2uF…
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  • OPA4277-EP: differnt between OPA4277 and OPA4277-EP

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    Part Number: OPA4277-EP Other Parts Discussed in Thread: OPA4277 , Where exactly is the difference between the operational amplifiers OPA4277 and OPA4277-EP. I could not really see any differences in the data sheets except for an extended temperature range…
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  • RE: LM193: lm193

    Resolved
    Correction, the OPA4277 is a BICMOS process (both CMOS and Bipolar). Corrected above.

  • OPA4277: opa4277

    Part Number: OPA4277 I have only one CT, and I want to deliver the signal to 4 DSP at the same time. Can I use OP amp to do that? How to assure 4 DSP get the same and correct information?

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