A 100Mss 12Bit Coarsefine Sar Adc With Shared Splitcdac

• doi: 10.1109/ISCAS.2018.8351387
• title: A 100MS/S 12-bit Coarse-Fine SAR ADC with Shared Split-CDAC
• publisher: IEEE
• isbn: 978-1-5386-4882-7
• issn: 2379-447X
• rank: 263
• access_type: LOCKED
• content_type: Conferences
• abstract: A 100MS/s 12-bit SAR ADC designed for terahertz imaging sensor is presented. The proposed ADC utilizes coarse-fine SAR architecture to relax reference requirement and improve operation rate. Split-CDAC structure is applied to reduce chip area, and its LSBs capacitors are reused as a coarse DAC. Redundant capacitor arrays are applied in both coarse and fine ADCs. A power-and-area-efficient ADC with high sampling rate can be realized with these techniques combined. The prototype is implemented in TSMC 1P9M 65nm-CMOS process. The simulation result with noise and other on board non-ideal effects shows that the ADC consumes 1.8 mW with an SNDR 65.7 dB and an SFDR of 77.0 dB with a Nyquist input at 1.2V power supply, achieving an ENOB of 10.6-bit and a FoM of 11.6 fJ/conv-step.
• article_number: 8351387
• pdf_url: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8351387
• html_url: https://ieeexplore.ieee.org/document/8351387/
• abstract_url: https://ieeexplore.ieee.org/document/8351387/
• publication_title: 2018 IEEE International Symposium on Circuits and Systems (ISCAS)
• conference_location: Florence, Italy
• conference_dates: 27-30 May 2018
• publication_number: 8334884
• is_number: 8350884
• publication_year: 2018
• publication_date: 27-30 May 2018
• start_page: 1
• end_page: 4
• citing_paper_count: 4
• citing_patent_count: 0
• download_count: 2765
• insert_date: 20180504
• index_terms:
  • ieee_terms:
    • Capacitors
    • Switches
    • Bridge circuits
    • Capacitance
    • Synthetic aperture radar
    • Imaging
    • Radar imaging
  • author_terms:
    • Coarse-Fine SAR ADC
    • Split-CDAC Array
    • DAC sharing
    • small area
    • low power
    • high speed
  • dynamic_index_terms:
    • Simulation Results
    • Terahertz Imaging
    • Subsidies
    • Subsidence
    • Settling
    • Wireless
    • Wireless Communication
    • Input Signal
    • Analog-to-digital Converter
    • Analog-to-digital
    • Digital-to-analog Converter
    • Parasitic Capacitance
    • CMOS Process
    • Accumulation Mode
    • Coarse Mode
    • Aitken Mode
    • Coarse-mode
    • Metal Block
    • Metallic Block
• isbn_formats:
  • format: Print on Demand(PoD) ISBN, value: 978-1-5386-4882-7, isbnType: New-2005
  • format: Electronic ISBN, value: 978-1-5386-4881-0, isbnType: New-2005
• authors:
  • Author Name: Manxin Li
    Affiliation: Department of Microelectronics, Fudan University, Shanghai, China
    Author URL: https://ieeexplore.ieee.org/author/37086264067
    ID: 37086264067
    Order: 1
    Author Affiliations:
    • Department of Microelectronics, Fudan University, Shanghai, China
  • Author Name: Yongzhen Chen
    Affiliation: Department of Microelectronics, Fudan University, Shanghai, China
    Author URL: https://ieeexplore.ieee.org/author/37085528773
    ID: 37085528773
    Order: 2
    Author Affiliations:
    • Department of Microelectronics, Fudan University, Shanghai, China
  • Author Name: Fan Ye
    Affiliation: Department of Microelectronics, Fudan University, Shanghai, China
    Author URL: https://ieeexplore.ieee.org/author/37289420800
    ID: 37289420800
    Order: 3
    Author Affiliations:
    • Department of Microelectronics, Fudan University, Shanghai, China
  • Author Name: Junyan Ren
    Affiliation: Department of Microelectronics, Fudan University, Shanghai, China
    Author URL: https://ieeexplore.ieee.org/author/37288701600
    ID: 37288701600
    Order: 4
    Author Affiliations:
    • Department of Microelectronics, Fudan University, Shanghai, China

Image Sensor

• sensor_type: CMOS
• resolution:
• dynamic_range:
• pixel_size:
• dark_current:

Optical Data

• focal_length:
• aperture:
• field_of_view:
• distortion:

Performance Metrics

• frame_rate: 100MS/s
• signal_to_noise_ratio: 71.2 dB
• sensitivity:
• shutter_speed:
• power_consumption: 1.8 mW
• noise:

Applications & Benefits

• cell_imaging: Used in terahertz imaging systems for applications such as wireless communication and biomedical detection.
• benefits: High sampling rate, low power consumption, small area, and high resolution.

Supporting Organizations

• supported_by: National Natural Science Foundation of China, grant number 61674043

Manuscript Details

• publication_date: 27-30 May 2018

Relevancy Score

• score: 9
• missing_fields:
  • pixel_size
  • focal_length
  • aperture
  • field_of_view
  • distortion
  • sensitivity
  • shutter_speed
  • noise

Processed JSON Filename

request_7a8a14a3-5550-4854-8525-33a805a289fc-a_100mss_12bit_coarsefine_sar_adc_with_shared_splitcdac.json