SESSION 24 High-Frequency ADCs.pdf

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1、ISSCC 2025SESSION 24High-Frequency ADCs 2025 IEEE International Solid-State Circuits Conference1 of 63A 12b 3GS/s Pipelined ADC with Gated-LMS-Based Piecewise-Linear Nonlinearity CalibrationMingyang Gu,Yi Zhong,Lu Jie,and Nan SunTsinghua University 2025 IEEE International Solid-State Circuits Confer

2、ence2 of 6324.1:A 12b 3GS/s Pipelined ADC with Gated-LMS-Based Piecewise-Linear Nonlinearity Calibration Motivation Proposed Nonlinearity Calibration Circuit Implementation Measurement Results ConclusionOutline 2025 IEEE International Solid-State Circuits Conference3 of 6324.1:A 12b 3GS/s Pipelined

3、ADC with Gated-LMS-Based Piecewise-Linear Nonlinearity Calibration Motivation Proposed Nonlinearity Calibration Circuit Implementation Measurement Results ConclusionOutline 2025 IEEE International Solid-State Circuits Conference4 of 6324.1:A 12b 3GS/s Pipelined ADC with Gated-LMS-Based Piecewise-Lin

4、ear Nonlinearity CalibrationWireless Communication High resolution(12b,SNDR=60dB)High sampling rate(3GS/s)without time-interleaving 2025 IEEE International Solid-State Circuits Conference5 of 6324.1:A 12b 3GS/s Pipelined ADC with Gated-LMS-Based Piecewise-Linear Nonlinearity CalibrationPipelined ADC

5、 Pipelined stages with residue amplificationHigh resolutionHigh sampling rate Residue amplifier:key building blockStage1Stage2Stage nSignalInputData AlignmentDoutD1D2Dn GCDACFlashVinDoutVout 2025 IEEE International Solid-State Circuits Conference6 of 6324.1:A 12b 3GS/s Pipelined ADC with Gated-LMS-B

6、ased Piecewise-Linear Nonlinearity CalibrationCfCsVoutVinVoutVingmRVoutVingmRCalibrationDcalClosed-LoopOpen-LoopOpen-Loop withCalibrationResidue AmplifierB.Murmann,JSSC,2003Closed-LoopOpen-LoopGain AccuracyLinearitySpeedEfficiencyStabilityScaling Friendly 2025 IEEE International Solid-State Circuits