New structure for a CMOS audio power AMP with extremely low THD and low power consumption

Pan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors

Volumn 27, Issue 9, 2006, Pages 1552-1556

  Cao, Zhengxin ^a   Xiong, Shaozhen ^a  

^a NANKAI UNIVERSITY   (China)

Author keywords

CMOS power AMP; Over current protection; System corrected structure

Indexed keywords

HARMONIC DISTORTION; OVERCURRENT PROTECTION;

CMOS POWER AUDIO POWER AMPLIFIERS (AMP); DRIVING CAPABILITY; POWER CONSUMPTION; POWER DISSIPATION; SYSTEM CORRECTED STRUCTURE; TOTAL HARMONIC DISTORTION (THD);

POWER AMPLIFIERS;

EID: 33750604116     PISSN: 02534177     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (9)

1. Razavi B. Design of analog CMOS integrated circuit. McGraw-Hill Companies, 2001: 455.
2. Hwang J T, Lee H S. 1 W 0.8 μm BiCMOS adaptive Q-current controlled class-AB power amplifier for sound equipments. ISSCC, 2002.
3. Brigati S, Francesconi F, Grassi G, et al. An 0.8 μm CMOS mixed analog-digtial integrated audiometric system. ISSCC Dig Tech Papers, San Francisco, USA, 1998: 116.
4. Ahuja B K, Gray P R, Baxter W M, et al. A programmable CMOS dual channel interface processor for telecommunications. IEEE J Solid-State Circuits, 1984, SC-19: 892.
5. Kih J, Chang B, Jeong D K, et al. Class-AB large-swing CMOS buffer amplifier with controlled bias current. IEEE J Solid-State Circuits, 1993, SC-29: 1350.
6. Pernici S, Nicollini G, Castello R. A CMOS low-distortion fully differential power amplifier with double nested miller compensation. IEEE J Solid-State Circuits, 1993, 28(7): 758.
7. Fujimoto Y, Ré P L, Miyamoto M. A Delta-Sigma modulator for a 1-bit digital switching amplifier. IEEE J Solid-State Circuits, 2005, 40(9): 1865.
8. Forejt B, Rentala V, Arteaga J D, et al. A 700+-mW class D design with direct battery hook up in a 90 -nm process. IEEE J Solid-State Circuits, 2005, 40(9): 1880.
9. Hogervorst R, Tero J P, Eschauzier R G H, et al. A compact power-efficient 3 V CMOS rail-to-rail input/output operational amplifier for VLSI cell libraries. IEEE J Solid-State Circuits, 1994, 29(12): 1505.