J.C. Patents
Power supply device, a processing chip for a digital microphone and related digital microphone
A power supply device, a processing chip for a digital microphone and related digital microphone are described herein. In one aspect, a power supply device includes: at least two cascaded low-dropout linear regulators. In another aspect, a processing chip for digital microphone includes a processing module and a power supply module, wherein the power supply modules includes at least two cascaded low dropout linear regulators. In another aspect, a digital microphone includes a microphone and a processing chip, wherein the processing chip includes a processing module and a power supply module, wherein the power module includes at least two cascaded low-dropout linear regulators. Embodiments described herein provide a power supply device with higher PSRR.
Beijing KT Micro, Ltd.
H
H04R
inventional
Rongrong Wenjing Jianting Jing Duanduan
Bai Wang Wang Cao Jian