2022
DOI: 10.1109/jssc.2022.3168588
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A 7.3-μ W 13-ENOB 98-dB SFDR Noise-Shaping SAR ADC With Duty-Cycled Amplifier and Mismatch Error Shaping

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Cited by 19 publications
(14 citation statements)
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“…In some cases, the loop-filter is fully passive (i.e. : made with switches and capacitors) [26], while in other cases an active filter is made, typically based on a simplified yet highly-efficient amplifier [27]. While the first category benefits from lowest power consumption, the additional kT /C noise terms either impact the SNR, or otherwise relatively large capacitors might be required.…”
Section: B Sar Adcs With Noise Shapingmentioning
confidence: 99%
See 2 more Smart Citations
“…In some cases, the loop-filter is fully passive (i.e. : made with switches and capacitors) [26], while in other cases an active filter is made, typically based on a simplified yet highly-efficient amplifier [27]. While the first category benefits from lowest power consumption, the additional kT /C noise terms either impact the SNR, or otherwise relatively large capacitors might be required.…”
Section: B Sar Adcs With Noise Shapingmentioning
confidence: 99%
“…The active filters enable a higher SNR at the cost of increased power consumption. A review of active filters can be found in [27]. Also, since the SAR quantizer can have a reasonably high resolution, both the filter and the oversampling ratio can For illustration, a recent example of a NS-SAR ADC is shown in Fig.…”
Section: B Sar Adcs With Noise Shapingmentioning
confidence: 99%
See 1 more Smart Citation
“…Transconductance amplifers transform voltage signals into current signals in analog and mixed-signal electronics. Te entire efcacy of diferent applications such as signal processing, communication systems, and sensor interfaces is determined by their performance [6,7]. Te ability to tune amplifer characteristics is crucial in adapting these circuits to varied settings without sacrifcing efciency [8][9][10].…”
Section: Introductionmentioning
confidence: 99%
“…However, the area and mismatch of the digital-to-analog converter (DAC) makes it difficult to achieve high-resolution characteristics. SAR ADCs using noise shaping (NS) have been proposed as an alternative to the resolution enhancement limitations of SAR ADCs [9,10], but there are still structural difficulties in implementing resolutions above 14-16 bits. Delta-sigma ADCs typically use analog integrators with op amps, which have the disadvantage of relatively increased power consumption and area, but they have been widely used in high-performance sensor interfaces because they have a suitable structure to achieve high resolution [1][2][3][4][5][6]11,12].…”
Section: Introductionmentioning
confidence: 99%