A Voltage Scaling 0.25-1.8 V Delta-Sigma Modulator with Inverter-Opamp Self-configuring Amplifier

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概要

• 論文の詳細を見る

• A 2nd order discrete time (DT) DS modulator with very wide supply voltage range of 0.25-1.8 V is presented. An inverter-opamp self-configuring amplifier (IOSA) is proposed with sufficient gain through sub-threshold to strong inversion region. The amplifier senses the supply voltage and automatically configures either to operate as an inverter or an opamp. The prototype ADC fabricated in 180nm CMOS achieved SNDR of 53dB at a supply voltage of 0.3V and a best FoM of 0.09 pJ/step.At 1.8 V supply the modulator achieves SNDR 61dB and operates down to 0.25V.

• 一般社団法人電子情報通信学会の論文
• 2013-06-27

著者

• ISHIKURO Hiroki

  Department of Electronics and Electrical Engineering, Keio University

• Ishikuro Hiroki

  Department Of Electronics And Electrical Engineering Keio University

• Yoshioka Kentaro

  Department of Electronics and Electrical Engineering, Keio University

• Jyo Teruo

  Department of Electronics and Electrical Engineering, Keio University

• Toyama Yousuke

  Department of Electronics and Electrical Engineering, Keio University

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