Jong-Muk Lee

Siliconfile Technologies, Inc., Sŏngnam, Gyeonggi-do, South Korea

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Publications (1)0 Total impact

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    ABSTRACT: A switched-capacitor delta-sigma analog-to-digital converter (ADC) including preamplifier and bandgap reference for digital electret microphone is presented. It uses quantization noise coupling to achieve third-order noise shaping with only two integrators. The prototype ADC is fabricated in a 0.18 μm CMOS process. The single-loop, 1-bit, third-order delta-sigma ADC operates at OSR of 64 provides 70.8 dB dynamic range (DR) and 65.7 dB peak signal-to-noise ratio (SNR) over a signal bandwidth of 20 kHz with 1.6 V supply while consuming 1 mW power including preamplifier and on-chip reference.
    Preview · Conference Paper · Dec 2010