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  • LPV521: Amplifiers forum

    Part Number: LPV521 Tool/software: Hi Ti, we currently use LPV521 and the gain and bandwith is too narrow for us to use. Can you recommend a 10MHz ( at least 3-4MHZ) and can be compatible with LPV521MGX/NOPB pin chip? Best regards, Meiling
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  • LPV521: Voltage Controlled Current Sink

    Resolved
    Part Number: LPV521 Hey team, Just wanted to run some simulations by you for a voltage controlled current sink design. I had one odd measurement that I was curious to get your thoughts on. Attached is the schematic and graph in question. The…
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  • LPV521: Unpowered OpAmp Input Impedance with Small Input Voltages

    Resolved
    Part Number: LPV521 Hi, We are facing a similar issue to the one mentioned in the related question ( https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/234909/maintain-input-impedance-when-amplified-is-not-powered ), but with…
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    • Answered

  • LPV521: About the value of RISO

    Resolved
    Part Number: LPV521 Hello Team, I have questions about the following table in the datasheet. 　[8.1.1 Driving Capacitive Load] 　 When CL=10nF, "RISO=13.3kΩ(min)"(@5V supply) is described. In the case of 2.8V supply, does the minimum value of this…
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  • TINA/Spice/LPV521: TINA-TI Model, Bias Current

    Resolved
    Part Number: LPV521 Other Parts Discussed in Thread: TINA-TI , Tool/software: TINA-TI or Spice Models Hi all Here I come with a question for the LPV521 TINA-TI Model: Does this model reflect the Bias Current behavior over temperature ? Best regards…
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  • LPV521 output swing

    Resolved
    Hi, folks Could you update figure 31 and 32 of datasheet? At Figure 31, Crossing x and y represent VS=1V and VOUT=0V respectively? and also step of Y equal to 1V? At Figure 32, Crossing x and y represent VS=1V and VOUT=2V respectively? and also…
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  • RE: LPV521 gain

    Thanks very much for the information Paul.. it's very helpful..

  • LPV521 CM range question

    Other Parts Discussed in Thread: LPV521 Hi all, I'm using a LPV521 nanopower opamp at Vcc=1.8V with its inputs slightly below the lower rail (about -25mV) The datasheet specifies common mode input ranges 100mV beyond either rail for Vcc =3.3V and…

  • Battery Charging and Discharging current measurement using LPV521

    Other Parts Discussed in Thread: LPV521 , BQ24295 Hello, I want to measure battery charging and discharging current using series small value resistor and LPV521. Suggest circuit interface using LPV521 to measure charging and discharging current using…
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  • output impedance of LPV521 follower

    Resolved
    Other Parts Discussed in Thread: MSP430F5438A , LPV521 Hello, I have a question about LPC521 follower, we are using it with MSP430F5438A, the input is 3.8V and after a resistor divider, 1.9V feed to LPC521 voltage follower. and output to a analog input…
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