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Original question:

LMH7324: LMH7324

LMH7324: TLV1872

DRUILHE yvan
Intellectual 540 points
Part Number: LMH7324
Other Parts Discussed in Thread: TLV1872, THS4041, , TLV3601, UCC27517

Tool/software:

Hello,

TLV1872 (65ns, 40V, dual) is too slow compared with ISL55142IVZ.

Is it possible to replace this function with a fast comparator with a maximum propagation delay of 15ns and a Rise time/Fall time < 2ns followed by a 17V powered amplifier? Totem pole output.

Unipolar power supply.

Ex: Can the THS4041 AOP be supplied as a single-pole device with a supply voltage of 17 V?

Thank you for your help

  • 0
    Guru 316440 points

    The LMH7324 has a differential output. The THS4041 has a slew rate of 0.4 V/ns.

    What are the required input voltage range and propagation delay?

    I would combine a fast comparator with push/pull output like the TLV3601 with a a fast digital buffer like UCC27517, for a total propagation delay of about 15.5 ns.