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  • PGA870: Can PGA870 VMID2 Output be Used?

    Resolved
    Part Number: PGA870 Other Parts Discussed in Thread: THS4535 , THS4151 , REF35 Tool/software: We are planning on using a PGA870 with VS+ at 5V. So VMID2 output should be at 2.5V. We would like to use VMID2 as the VOCM input to an opamp that feeds it…
    • Resolved

  • PGA870: How to correct output offset voltage

    Part Number: PGA870 Other Parts Discussed in Thread: TINA-TI , LMH6515 Tool/software: Dear Specialists, My customer is considering PGA870 and has a question. I would be grateful if you could advise. --- According to the datasheet, output offset…
    • Answered

  • PGA870: Does the input voltage is limited to ±0.2V around VCM when DC-coupled ?

    Resolved
    Part Number: PGA870 Tool/software: Dear Specialists, My customer is considering PGA870 and has questions. I would be grateful if you could advise. --- (1) I am considering using the DVGA PGA870 as a front-stage amplifier for an AD converter (ADC3223IRGZR…
    • Resolved
    • Answered

  • PGA870: Need design review and confirmation on PGA870 + ADS5560

    Resolved
    Part Number: PGA870 Other Parts Discussed in Thread: ADS5560 , TINA-TI Hi TI team, First of all, thank you very much for considering our tech support request. We are designing an analog front-end circuit including PGA870 and ADS5560 for acquiring…
    • Resolved
    • Answered

  • PGA870: 16bit alternative

    Resolved
    Part Number: PGA870 Other Parts Discussed in Thread: LMH6517 , PGA281 Hi, I am current designing a data acquisition board for my research. I am planning on using the ADC AD7381 . However, I was having a hard time finding an appropriate PGA to go with…
    • Resolved

  • PGA870: PGA870 offset

    TI Thinks Resolved
    Part Number: PGA870 What is the valid range of DC offset which can be applied to the inverting input with gain at 0dB, and 20 dB ?
    • Answered

  • RE: PGA870: Minimum frequency response

    Resolved
    Hi Diva, this sort of HF PGAs are optimized (regarding stability, noise, bandwidth, etc.) for very low source and load resistances. And the input resistance of the PGA870 is also very low (<= 150 Ohm). Such a HF PGA is standardly not used for audio…
    • Answered

  • RE: TINA/Spice/PGA870: PGA usage handholding

    Resolved
    Hello, I recommend taking a look at the TINA reference design circuit that is available on the PGA870 product page under "tools and software." I have included it in this post. I tried switching the supplies from +5V to +/- 2.5V and did not achieve the…

  • PGA870 Schematic Check

    Other Parts Discussed in Thread: PGA870 , LMH6553 , LMH6702 Dear support team Our customer considers whether they add LMH6553 after PGA870. This reason is the following - Get 14db gain (differential input, single-end output) - Limit 1V of output…

  • PGA870: Using a transformer based differential to single ended converter output stage

    Part Number: PGA870 Hi, Can you please confirm if the following topology is fine, wherein I use a transformer based differential to single ended conversion stage as shown below, to use the converted output to drive a single ended buffer? Assume input…

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