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MAX202: Normal operating range of Pulse Frequency

Part Number: MAX202
Other Parts Discussed in Thread: SN65C3232

Hello.

My client currently uses the MAX202.

The customer wants to know the normal operating range of the pulse frequency.

Currently, we are asking to confirm the samples that operate at 120 ~ 130KHz and 450 ~ 500KHz (1,3 // 4,5 Pulse Frequency)

  • Hello,

    The MAX202 is only rated for data rates up to 120 kbps. Higher data rates may be achievable in some cases, but I would not expect communication to be robust in the 450-500 kbps operating range given that the minimum driver output slew rate is just 3 V/us.

    If higher speeds are needed, you may want to consider a different device like SN65C3232 instead. It will operate up to 1 Mbps and is pin-to-pin compatible with MAX202.

    Please let me know if you have further questions.

    Regards,
    Max