There is a 30ms power-on reset (POR) delay. The POR causes all registers to initialize to default values, and communication with the device is valid only after the 30ms POR delay. The default values or user modified values for all the registers in the TPL1401 are loaded from NVM as soon as the POR event is issued. Make sure the device is brought down to below 0.7V for at least 1ms before powering back on to ensure the TPL1401 boots up to a known state.
(Figure taken from TPL1401 datasheet version * Sept 2020)
The TPL1401 can be found in many common applications:
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End equipment |
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Exit and emergency lighting |
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Barcode scanners |
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Barcode readers |
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Smart speakers |
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Video doorbells |
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Cordless vacuum cleaners |
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Robotic lawn mowers |
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Laser distance meter |
You can find some additional information about the TPL1401 here:
You can find more information about precision DACs here:
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Precision DAC Learning Center |
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TI Precision Labs - DACs |
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Data Converter Circuit Cookbook |
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