TY - GEN
T1 - Foreground Static Error Calibration for Current Sources Using Backgate Body Biasing
AU - Beauquier, Clement
AU - Duperray, David
AU - Jabbour, Chadi
AU - Desgreys, Patricia
AU - Frappe, Antoine
AU - Kaiser, Andreas
N1 - Publisher Copyright:
© 2022 IEEE.
PY - 2022/1/1
Y1 - 2022/1/1
N2 - This work presents a detection and calibration circuit for current sources static mismatch introduced by the process of fabrication. The current is corrected through backgate body bias voltage control, which has the benefit of reduced additional parasitic elements, compared to more classic amplitude calibration or sort-And-map solutions. The main application are high speed and high resolution current steering Digital to Analog Converters (DAC). The calibration circuit is applied on a 2 time-interleaved (TI) DAC, with 12 bits of resolution and sampled at a frequency of 16 GHz. Its main requirement is to be able to generate signals up to the Nyquist Band (8 GHz) with Spurious Free Dynamic Range (SFDR) of at least 70 dBFS. We validate the method with a schematic 28 nm FDSOI CMOS transistor level testbench, Montecarlo simulations and temperature variations from 27 °C to 125 °C.
AB - This work presents a detection and calibration circuit for current sources static mismatch introduced by the process of fabrication. The current is corrected through backgate body bias voltage control, which has the benefit of reduced additional parasitic elements, compared to more classic amplitude calibration or sort-And-map solutions. The main application are high speed and high resolution current steering Digital to Analog Converters (DAC). The calibration circuit is applied on a 2 time-interleaved (TI) DAC, with 12 bits of resolution and sampled at a frequency of 16 GHz. Its main requirement is to be able to generate signals up to the Nyquist Band (8 GHz) with Spurious Free Dynamic Range (SFDR) of at least 70 dBFS. We validate the method with a schematic 28 nm FDSOI CMOS transistor level testbench, Montecarlo simulations and temperature variations from 27 °C to 125 °C.
KW - 28 nm FDSOI
KW - Amplitude Calibration
KW - Body Biasing
KW - CMOS
KW - Current Source
KW - Current Steering
KW - Digital to Analog Converter
KW - Foreground Calibration
UR - https://www.scopus.com/pages/publications/85141801205
U2 - 10.1109/RTSI55261.2022.9905200
DO - 10.1109/RTSI55261.2022.9905200
M3 - Conference contribution
AN - SCOPUS:85141801205
T3 - 2022 IEEE 7th Forum on Research and Technologies for Society and Industry Innovation, RTSI 2022
SP - 19
EP - 24
BT - 2022 IEEE 7th Forum on Research and Technologies for Society and Industry Innovation, RTSI 2022
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 7th IEEE Forum on Research and Technologies for Society and Industry Innovation, RTSI 2022
Y2 - 24 August 2022 through 26 August 2022
ER -