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  • LMH6522: SPI Timing Requirement

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    Part Number: LMH6522 Other Parts Discussed in Thread: LMH6521 Hello, I have a question about LMH6522. [Q1] (D/S, p5) 1. Is the maximum value of fSCLK unspecified? 2. Is the minimum value of fSCLK really 20 MHz? [Q3] Please tell me the SPI Timing Requirement…
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  • RE: LMH6522: Impedance Matching

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    Hi David, It is possible to change the shunt capacitor from 13.5p to 10.5p and use it at the ADC34J45 front-end instead of the ADS41B49. However, the center frequency will still remain at 184MHz. You would need to change the filter components in-order…
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  • LMH6522 EVAL PCB layout

    Resolved
    Other Parts Discussed in Thread: LMH6522 Hello, I have a problem with managing heat dissipation using LMH6522. My board has 6 layers and is as nearly as big as LMH6522 evaluation board. However my board gets very hot whilst the evaluation board stays reasonably…
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  • RE: LMH6521: Supply Current

    Resolved
    Also for enable and disable timing, you can use Figures 31 & 32 from the LMH6522 datasheet.
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  • PGA vs. VGA Selection

    Resolved
    Other Parts Discussed in Thread: ADS7861 , OPA335 , LMH6522 , PGA117 , PGA116 , PGA2500 , PGA281 , VCA821 , LMH6518 , PGA308 , PGA204 , PGA309 , PGA280 , PGA206 , PGA205 , PGA202 , PGA203 , PGA112 , PGA113 , INA2132 Hello Everyone, It has always been a pleasure to work with…
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  • RE: Variable gain amplifier at 950 MHz or wideband application for WCDMA signal

    Hello, I've listed some Variable Gain Amplifiers which can reach about 1GHz or above: LMH6522 and LMH6523 (1.4GHz) LMH6521, and LMH6517 (1.2GHz) LMH6518 (0.9GHz) Regards, Hooman

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