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Supporting your IoT system construction
Low noise
Power management IC reduces noise influence
Designing IoT devices with less noise concern
IoT devices are expected to have high noise resistance due to the use of highly accurate analog signal for IoT sensor's network.
Therefore, the power management IC is required to provide low output noise and high ripple rejection.
Low supply current, low output noise, high ripple voltage, and fast response, All in one product!
For example, if you use a sensor with 16-bit ADC/DAC to an IoT device, 1 LSB becomes about 40 μVrms when the input voltage range width is 2.6 V. The noise level allowed to maintain the accuracy of this analog signal is 1/2 LSB, lower than or equal to 20 µVrms.
Low-noise LDO regulator for IoT devices achieves low output noise, high ripple rejection, and fast response characteristics at high level.
Low noise and low supply current LDO regulator
RP122 Series
The RP122, a low-noise LDO regulator, offers low output noise of 8 µVrms (10 to 100 kHz). It is capable of handling analog signal without deteriorating the accuracy of 16-bit ADC/DAC. It also achieves a high ripple rejection of 90 dB@1 kHz, 85 dB@10 kHz, and 65 dB@100 kHz. It allows designing IoT devices without being concerned with noise since it reduces noise even if it is used for post-switching regulator.
We highly recommend our power management IC with low noise for your IoT devices.