Low-power SAR ADCs: Basic techniques and trends

P Harpe - IEEE Open Journal of the Solid-State Circuits Society, 2022 - ieeexplore.ieee.org
With the advent of small, battery-powered devices, power efficiency has become of
paramount importance. For analog-to-digital converters (ADCs), the successive …

A 103-dB SFDR calibration-free oversampled SAR ADC with mismatch error shaping and pre-comparison techniques

Y Shen, H Li, H Xin, E Cantatore… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
This work presents a 14-bit oversampled successive-approximation-register (SAR) analog-
to-digital converter (ADC) with mismatch error shaping (MES) and pre-comparison …

OpenSAR: An open source automated end-to-end SAR ADC compiler

M Liu, X Tang, K Zhu, H Chen, N Sun… - 2021 IEEE/ACM …, 2021 - ieeexplore.ieee.org
Despite recent developments in automated analog sizing and analog layout generation,
there is doubt whether analog design automation techniques could scale to system-level …

A 12-Bit Low-Input Capacitance SAR ADC With a Rail-to-Rail Comparator

N Shahpari, M Habibi, P Malcovati, M Jose - IEEE Access, 2023 - ieeexplore.ieee.org
The input capacitance of the SAR ADC is considered a drawback in many applications. In
this paper, a 12-bit low-power SAR ADC with low-input capacitance is proposed. The ADC is …

A 2.2 fJ/conversion-step 9.74-ENOB 10 MS/s SAR ADC with $1.5× input range

Y Shen, H Li, E Cantatore… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This brief presents a 10.5-bit 10 MS/s successive-approximation-register (SAR) analog-to-
digital converter (ADC) with input range (IR). By pre-setting and resetting the most significant …

A hybrid SAR ADC with input range extension

K Qin, W Hu, X Yan, S Yang, H Cui, M Wang - Microelectronics Journal, 2024 - Elsevier
This paper proposes a differential 10-bit 1 MS/s successive approximation register (SAR)
analog to digital converter (ADC) with input range (IR) extension. Employing 512 capacitor …

A power-efficient 13-tap FIR filter and an IIR filter embedded in a 10-bit SAR ADC

X Xin, L Shen, X Tang, Y Shen, J Cai… - … on Circuits and …, 2023 - ieeexplore.ieee.org
This paper presents a 13-tap FIR filter and an IIR filter embedded in a 10-bit SAR ADC for
wireless communications chip. The IIR filter can be inherently realized through reusing the …

Small-area SAR ADCs with a compact unit-length DAC layout

H Li, Y Shen, E Cantatore… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This brief presents four small-area SAR ADCs with a resolution from 8 to 11 bits. Two area-
saving techniques are utilized. First, the DAC layout is implemented with custom designed …

A low-input capacitance 12-bit SAR ADC for use in self-powered IoT nodes

N Shahpari, M Habibi, P Malcovati… - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
A 12-bit low-power SAR ADC with low-input capacitance is proposed. The topology exploits
a structure with separate sample & hold and DAC blocks, separated block SAR, to achieve …

A SAR ADC with reconfigurable delay and redundancy to relax the reference driver

Y Shen, H Li, E Cantatore… - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
This work presents a reconfigurable delay and redundancy technique, which relaxes the
reference driver requirements for a charge-redistribution SAR ADC. By selectively adding …