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  • RE: TPSM63606: Whether it can be used produce -15vdc from a 12 v input. If possible, where can I find design tool for -ve output. and example schematic.

    Hi Boggarapu, Most bucks can be converted to an inverting buck boost topology by following a couple steps. Please refer to the guides attached. Let me know if you have further issues. https://www.ti.com/lit/pdf/snva856 Regards, Henry A guide to implementig…
    • Answered

  • OPA820: High current output (46mA) rising edge slew rate

    Resolved
    Part Number: OPA820 Other Parts Discussed in Thread: DEM-OPA-SOT-1A , , TINA-TI Hallo, I can not verify the Noninverting Pulse Response in our applikation. VCC=6.2V...10V, VSS=-2V, Gain=+1, Pulse Signal High Level 4.6V, Pulse Signal Low Level 1V Load…
    • Resolved

  • RE: TAS2781EVM: TAS2781 Frequency Reponse of PWR_MODE3

    Hi Simon, I was double checking my test setup from yesterday and noticed that I was using the incorrect low-pass filter setting in the AP, I corrected it and got the following results: I tried 2 different configurations with the same results, using…

  • RE: OPA615: Fast Pulse positive detector using OPA615

    Hi Orwell and welcome to E2E, What type of diode are you using and what is the desired hold time? I recommend building a working circuit in TINA-TI before you spend the time and money to put it together on a PCB. Look at page 3 of the OPA615 datasheet…
    • Answered

  • DDC112: Isolation resistor

    Resolved
    Part Number: DDC112 I am designing an instrument based on the DDC112 as a student project. The lower part of figure 29 in the datasheet shows the DVDD power supply derived from the AVDD supply with a < 10 ohm isolation resistor. I would be grateful if…
    • Resolved

  • RE: OPA699: OPA699

    Hi, Yes, you can use the OPA699 in a standard difference amplifier configuration to use differential inputs. It's hard to estimate the exact propagation delay and it will depend on if you are hitting the limiters or not, but I would expect in the range…
    • Answered

  • OPA860: OPA860 sample& hold circuit

    Resolved
    Part Number: OPA860 Other Parts Discussed in Thread: OPA615 , DEM-OTA-SO-1A Hi, Attached is the sample&hold circuit with OPA860, but the result is not correct with TINA simulation, please give me some advice. Thank you very much. OPA860 (2).TSC Best…
    • Resolved

  • RE: DS80PCI800 EEPROM Configuration

    Christian, Here are the programming values for the 4 devices. I found an RXDET[0] bit which did not need to be set. Device 0 ( EQ = 01, VOD = 05, DEM = 02) 00, 00, 04, 07, 00, 01, AD, 40, 00, 1A, D4, 00, 01, AD, 40, 00, 1A, D4, 01, 80, 03, 5A, 80, 00…

  • RE: OPA2889---EVM BOARD

    Shrikant, You are correct, the pinout for the SLOU055 board is meant for a pin-out similar to the OPA2836. The evaluation module for the OPA2889 requires the use of the DEM-OPA-MSOP-2B EVM. If you can work with 5V supplies then the OPA2836 can be used…

  • RE: LM34927: LM34927 24V to 12V output current ability and output inductance value

    Hi Brian, The LM34927 is rated for 600mA of DC output current. The inductor is generally chosen to provide a peak-to-peak ripple current of 30-50% of the rated full-load current. With the minimum current limit setting of 700mA (corresponding to peak…

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