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Low-Power High-Efficiency Class D Audio Power …
https://ieeexplore.ieee.org/document/5342351/
The efficiency and linearity is comparable to state-of-the-art amplifiers but the static power consumption is less than one tenth of previous proposed architectures. Both class D amplifiers achieve a power supply rejection ratio greater than 75 dB at 217 Hz, and a signal-to-noise ratio (SNR) higher than 90 dB within the whole audio band.
Low-Power High-Efficiency Class D Audio Power …
https://ieeexplore.ieee.org/abstract/document/5342351/
The architecture, design, and implementation of two clock-free analog class D audio power amplifiers using 0.5 ¿m CMOS standard technology are introduced. The amplifiers are designed to consume significantly less power than former implementations. Both designs operate with a 2.7 V single voltage supply and deliver a maximum output power of 250 mW into an 8 ¿ …
Low-Power High-Efficiency Class D Audio Power …
https://www.researchgate.net/publication/224085177_Low-Power_High-Efficiency_Class_D_Audio_Power_Amplifiers
The implemented class-D audio amplifier exhibited a high efficiency of 87.8 % with an output power of 57 mW at a load impedance of and a power supply voltage of 1.8 V.
High-Efficiency Class D Audio Amplifiers | Maxim Integrated
https://www.maximintegrated.com/en/design/technical-documents/tutorials/1/1760.html
A Class D amplifier like the MAX9701 offers Class AB performance with Class D efficiency. The device's unique, filterless modulation scheme, synchronizable switching frequency, and spread-spectrum switching mode create a compact, flexible, …
Low Power Class D Audio Amplifier with High …
https://www.semanticscholar.org/paper/Low-Power-Class-D-Audio-Amplifier-with-High-and-Bellili-Bekhouche/524c6cbc5500be00e9cac85cad26ca1b2e3b2850
In this paper, a class D audio amplifier is designed. It uses MOSFETs in switching mode, a closed-loop with second order integrator, pulse width modulator and low pass filter. The system is simulated with Orcad-PSpice software. Simulated results show good values of THD+N, SNR, PSRR and Efficiency. View on IEEE doi.org Save to Library Create Alert
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