A 700+-mW class D design with dIrect battery hookup in a 90-nm process

IEEE Journal of Solid-State Circuits

Volumn 40, Issue 9, 2005, Pages 1880-1887

  Forejt, Brett ^a   Rentala, Vijay ^a,b   Arteaga, Jose Duilio ^a,c   Burra, Gangadhar ^a  

^a TEXAS INSTRUMENTS   (United States)

^b Analog Technology Center

^c Wireless Business Unit

Author keywords

Class D amplifier; Common mode rejection ratio (CMRR); Efficiency; Electromagnetic interference (EMI); Low drop out regulator (LDO); Power supply rejection ratio (PSRR); Pulse width modulation (PWm); Signal to noise ratio (snr); System on chip (SOC)

Indexed keywords

AMPLIFIERS (ELECTRONIC); APPROXIMATION THEORY; BANDWIDTH; COST EFFECTIVENESS; EFFICIENCY; ELECTRIC POTENTIAL; PULSE WIDTH MODULATION; SIGNAL INTERFERENCE; SIGNAL TO NOISE RATIO; SWITCHING;

CLASS D AMPLIFIER; COMMON MODE REJECTION RATIO (CMRR); LOW DROP-OUT REGULATOR (LDO); POWER SUPPLY REJECTION RATIO (PSRR); SYSTEM-ON-CHIP (SOC);

CMOS INTEGRATED CIRCUITS;

EID: 25144521662     PISSN: 00189200     EISSN: None     Source Type: Journal    
DOI: 10.1109/JSSC.2005.848147     Document Type: Conference Paper

References (12)

1. K. Nielsen, "A review and comparison of pulse width modulation (PWM) methods for analog and digital input switching power amplifiers," in Proc. 102nd AES Convention, Mar. 1997, pp. 1-57. Preprint #4446 (G4).
2. M. Johansen and K. Nielsen, "A review and comparison of digital PWM methods for digital pulse modulation amplifiers (PMA) systems," in Proc. 107th AES Convention, Sep. 1999. Preprint #5039 (L-4).
3. "TPA2005D1 Data Sheet," Texas Instruments Incorporated, Dallas, TX.
4. "LM4861 Data Sheet," National Semiconductor Incorporated.
5. M. Score and D. Dapkus, "Optimized modulation scheme eliminates output filter," in Proc. 109th AES Convention, Sep. 2000.
6. P. Muggier, W. Chen, C. Jones, P. Dagli, and N. Yazdi, "A filter free class D audio amplifier with 86% power efficiency," in Proc. Int. Symp. Circuits and Systems, vol. 1, May 2004, pp. I-1036-1-1039.
7. M. Berkhout, "An integrated 200-W class-D audio amplifier," IEEE J. Solid-State Circuits, vol. 38, no. 7, pp. 1198-1206, Jul. 2003.
8. H. Ballan and M. Declercq, "12V Σ-Δ class-D amplifier in 5 V CMOS technology, " in Proc. IEEE Custom Integrated Circuit Conf. 1995, pp. 559-560.
9. P. R. Gray and R. G. Meyer, Analysis and Design of Analog Integrated Circuits, 3rd ed. New York: Wiley, 1993.
10. D. A. Neamen, Semiconductor Physics and Devices-Basic Principles. Homewood, IL: Richard D. Irwin, Inc., 1992.
11. D. A. Grant, Y. Darroman, and S. Burrow, "Class-D amplification combined with switched-mode power conditioning-the route to long battery life," IEEE Trans. Consumer Electron., vol. 48, pp. 677-683, Aug. 2002.
12. K. Philips, J. van den Homberg, and C. Dijkmans, "PowerDAC: A single-chip audio DAC with a 70%-efficient power stage in 0.5 μm CMOS," in Proc. ISSCC, 1999, pp. 154-155.