Title :
45nm CMOS 8Ω Class-D audio driver with 79% efficiency and 100dB SNR
Author :
Samala, S. ; Mishra, Vivekanand ; Chakravarthi, K.C.
Author_Institution :
Texas Instrum., Bangalore, India
Abstract :
A direct battery connect (2.35 V to 5.5 V) 100 dB SNR Class-D audio driver in 45 nm CMOS is presented. At 3.5 V supply, 525 mW is delivered into an 8 Ω load with 79% efficiency.
Keywords :
CMOS analogue integrated circuits; amplifiers; analogue integrated circuits; CMOS class-D audio driver; efficiency 79 percent; power 525 mW; size 45 nm; voltage 2.35 V to 5.5 V; Batteries; Capacitors; Driver circuits; Feedback loop; High power amplifiers; Performance evaluation; Power amplifiers; Power generation; Power supplies; Voltage;
Conference_Titel :
Solid-State Circuits Conference Digest of Technical Papers (ISSCC), 2010 IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-4244-6033-5
DOI :
10.1109/ISSCC.2010.5434036
