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A 10-Bit 210MHz CMOS D/A Converter  

Cho, Hyun-Ho (Silicon Works)
Yoon, Kwang-Sub (Inha University)
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Abstract
This paper describes a 10-bit 210MHz CMOS current-mode Digital-to-Analog Converter (DAC) consisting of 6 bit MSB current cell matrix Sub-DAC, 2 bit mSB unary current source Sub-DAC, and 2 bit LSB binary weighting Sub-DAC for Wireless LAN application. A new deglitch circuit is proposed to control a crossing point of signals and minimize a glitch energy. The proposed 10-bit CMOS current mode DAC was designed by a $0.35{\mu}m$ CMOS double-poly four-metal technology rate of 210MHz, DNL/INL of ${\pm}0.7LSB/{\pm}1.1LSB$, a glitch energy of $76pV{\cdot}sec$, a SNR of 50dB, a SFDR of 53dB at 200MHz sampling clock and power dissipation of 83mW at 3.3V
Keywords
DAC(digital to analog converter); wireless transceiver; deglitch;
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