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    Part Img LS1240AD1 datasheet by STMicroelectronics

    • Electronic two-tone ringer
    • Original
    • Yes
    • Unknown
    • Obsolete
    • 8542.39.00.01
    • 8542.39.00.00
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    LS1240AD1 datasheet preview

    LS1240AD1 Frequently Asked Questions (FAQs)

    • The recommended operating voltage range for the LS1240AD1 is 4.5V to 5.5V.
    • To ensure proper power-on, the VCC pin should be ramped up slowly (typically within 1ms) to the recommended operating voltage range, and the reset pin (RST) should be held low for at least 10ms after power-on.
    • The LS1240AD1 supports clock frequencies up to 40MHz.
    • To configure the LS1240AD1 for low-power operation, set the Power-Down (PD) pin high, and ensure that the clock input is stopped or reduced to a low frequency.
    • The maximum current consumption of the LS1240AD1 is typically 15mA at 5V and 25°C, but this can vary depending on the operating frequency and other factors.
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