1 status report on adc lpc clermont-ferrand laurent royer, samuel manen

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06/02/20083c  Characteristics:  Techno: BiCMOS SiGe 0.35µm  Power consumption: 3 3.5V  Power pulsing  Conversion time :  Differential architecture  Open loop ramp generator  Die area: 0.12 mm 2 12-bit Wilkinson ADC in SKIROC Layout of the ADC One channel SKIROC diagram ADC/LPC

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  • *Status Report onADC [email protected] LPC Clermont-FerrandLaurent ROYER, Samuel MANEN

    *

    06/02/2008

    A 12-bit 3.5V Wilkinson ADC*Royer @ Calice/Eudet electronic meeting London 2008

    Royer @ Calice/Eudet electronic meeting London 2008

    06/02/2008

    *cCharacteristics:

    Techno: BiCMOS SiGe 0.35m

    Power consumption: 3 mW @ 3.5V

    Power pulsing

    Conversion time : 80s @50MHz

    Differential architecture

    Open loop ramp generator

    Die area: 0.12 mm2

    12-bit Wilkinson ADC in SKIROCLayout of the ADCOne channel SKIROC diagram

    ADC/LPC

    06/02/2008

    SKIROC measurements @ LPC*

    Comparator signalAnalog signal in SCASC1SC2SC3SC4SC5t1t3t2t4t5Status:One test board given by LAL @ LPC to test ADCs

    LabView Control program developed by LAL used to configure SKIROC through USB interface

    Several bugs found in the digital part (in FPGA)Fixed by LAL

    ADC functionality checked with scope

    06/02/2008

    SKIROC measurements @ LPC*

    Analog signal on SCA

    USB

    USB

    Pulse signalon SKIROC inputADCSKIROC chipLAL test boardLPC test boardRemote Pulse generatorSetup to test the (preampli + shaper) linearityTo measure ADC performance, the automatic transfer of the ADC digital data from FPGA to PC via USB is requiredunder devpt @ LAL

    We have adapted the setup of the test bench @ LPC to measure linearity of the analog channel (preamp + shaper) and to compare results with those obtained @ LAL

    06/02/2008

    Linearity measurements @ LAL*Not expected saturation observed @ 1200 MIPs

    linearity

    -0.0000325171-0.00254415890

    0.0416723420.03961245120.06977

    0.0837999220.08165115570.1394

    0.125045930.12371129760.2088

    0.1657933440.16508490740.2782

    0.2075487850.2078101440.3474

    0.2541781630.24985420790.4166

    0.2899757670.29193578720.4856

    0.3309724780.33395037460.5546

    0.3720378360.37602552270.6234

    0.4217635550.42337319470.6922

    0.466582820.47063511710.7607

    0.5087898860.5126952590.829

    0.5510294690.5547302120.897

    0.5942337230.59676194940.9645

    0.6372356490.63880869291.031

    0.680833720.68115823941.095

    0.7241824940.72284858651.149

    0.7680009580.76486049431.191

    0.8162236690.80690455811.222

    0.8476784470.84836981271.244

    0.8795595590.90141661251.261

    0.9019637720.94349283241.273

    0.9225650980.98523677291.282

    0.9422414961.02757560081.288

    0.9594755061.06959822731.293

    1.296

    1.299

    1.301

    1.302

    1.303

    Measurement

    Meas. linear fit

    Simulation

    Injection (MIP)

    Output (V)

    SKIROC linearity results

    residuals

    -0.0025116418

    -0.0020598908

    -0.0021487663

    -0.0013346324

    -0.0007084366

    0.000261359

    -0.0043239551

    0.0019600202

    0.0029778966

    0.0039876867

    0.0016096397

    0.0040522971

    0.003905373

    0.003700743

    0.0025282264

    0.0015730439

    0.0003245194

    -0.0013339075

    -0.0031404637

    -0.0093191109

    Input (MIP)

    residuals (%)

    Residuals

    3

    commandepulseroutlinearresiduals1.4833504837-7.0416797568Injection (MIP)Output (V)linearresiduals0.000704964-0.0025441589

    0.0000.000-0.090-7.042-6.952-0.0030-0.0000325171-0.003-0.25%Input Charge (MIP)Shaper G1 output (V)0.00066575270.0152934286

    0.08078.660115.340109.639-5.701-0.00259.79966428260.0416723420.040-0.21%000.0151.53%

    0.160157.100231.940225.993-5.947-0.002119.43207804210.0837999220.082-0.21%1000.069770.0821.21%

    0.240235.580346.100342.406-3.694-0.001179.09490098770.125045930.124-0.13%2000.13940.1480.90%

    0.320312.779458.880456.919-1.961-0.001237.78386975140.1657933440.165-0.07%3000.20880.2150.62%

    0.400392.500574.450575.1730.7230.000298.39013769280.2075487850.2080.03%4000.27820.2820.34%

    0.480470.950703.510691.542-11.968-0.005358.03015374880.2541781630.250-0.43%5000.34740.3480.08%

    0.560549.470802.590808.0155.4250.002417.72338588040.2899757670.2920.20%6000.41660.415-0.19%

    0.640627.865916.060924.3028.2420.003477.32158930570.3309724780.3340.30%7000.48560.481-0.43%

    0.720706.3731029.7201040.75711.0370.004537.00569868150.3720378360.3760.40%8000.55460.548-0.67%

    0.800794.7191167.3501171.8054.4550.002604.16894735560.4217635550.4230.16%9000.62340.614-0.89%

    0.880882.9051291.4001302.61611.2160.004671.21055928570.466582820.4710.41%10000.69220.681-1.12%

    0.960961.3851408.2201419.02910.8090.004730.87338223130.5087898860.5130.39%11000.76070.748-1.31%

    1.0401039.8181525.1301535.37310.2430.004790.50047438330.5510294690.5550.37%12000.8290.814-1.48%

    1.1201118.2451644.7101651.7086.9980.003850.12300515740.5942337230.5970.25%13000.8970.881-1.62%

    1.2001196.7001763.7301768.0844.3540.002909.76682236170.6372356490.6390.16%14000.96450.947-1.72%

    1.2801275.7201884.4001885.2980.8980.000969.84016931830.680833720.6810.03%15001.0311.014-1.71%

    1.3601353.5102004.3802000.688-3.692-0.0011028.97843380530.7241824940.723-0.13%16001.0951.080-1.45%

    1.4401431.9002125.6602116.968-8.692-0.0031088.57283608230.7680009580.765-0.31%17001.1491.147-0.19%

    1.5201510.3502259.1302233.337-25.793-0.0101148.21285213840.8162236690.807-0.93%18001.1911.2142.26%

    1.6001587.7202346.1902348.1041.9140.0011207.03182017220.8476784470.8480.07%19001.2221.2805.82%

    1.6801686.7002434.4302494.92660.4960.0241282.27935094630.8795595590.9012.19%20001.2441.34710.28%

    1.7601765.2102496.4402611.383114.9430.0461341.96498078140.9019637720.9434.15%21001.2611.41315.24%

    1.8401843.1002553.4602726.922173.4620.0691401.17926823340.9225650980.9856.27%22001.2731.48020.69%

    1.9201922.1002607.9202844.106236.1860.0941461.2374105970.9422414961.0288.53%23001.2821.54726.45%

    2.0002000.5102655.6202960.416304.7960.1221520.8470174670.9594755061.07011.01%24001.2881.61332.51%

    25001.2931.68038.67%

    26001.2961.74645.03%

    27001.2991.81351.38%

    28001.3011.87957.84%

    29001.3021.94664.40%

    30001.3032.01370.96%

    linearity

    -0.0000325171-0.00254415890

    0.0416723420.03961245120.06977

    0.0837999220.08165115570.1394

    0.125045930.12371129760.2088

    0.1657933440.16508490740.2782

    0.2075487850.2078101440.3474

    0.2541781630.24985420790.4166

    0.2899757670.29193578720.4856

    0.3309724780.33395037460.5546

    0.3720378360.37602552270.6234

    0.4217635550.42337319470.6922

    0.466582820.47063511710.7607

    0.5087898860.5126952590.829

    0.5510294690.5547302120.897

    0.5942337230.59676194940.9645

    0.6372356490.63880869291.031

    0.680833720.68115823941.095

    0.7241824940.72284858651.149

    0.7680009580.76486049431.191

    0.8162236690.80690455811.222

    0.8476784470.84836981271.244

    0.8795595590.90141661251.261

    0.9019637720.94349283241.273

    0.9225650980.98523677291.282

    0.9422414961.02757560081.288

    0.9594755061.06959822731.293

    1.296

    1.299

    1.301

    1.302

    1.303

    Measurement

    Meas. linear fit

    Simulation

    Injection (MIP)

    Output (V)

    SKIROC linearity results

    residuals

    -0.0025116418

    -0.0020598908

    -0.0021487663

    -0.0013346324

    -0.0007084366

    0.000261359

    -0.0043239551

    0.0019600202

    0.0029778966

    0.0039876867

    0.0016096397

    0.0040522971

    0.003905373

    0.003700743

    0.0025282264

    0.0015730439

    0.0003245194

    -0.0013339075

    -0.0031404637

    -0.0093191109

    Input (MIP)

    residuals (%)

    Residuals

    3

    commandepulseroutlinearresiduals1.4833504837-7.0416797568Injection (MIP)Output (V)linearresiduals0.000704964-0.0025441589

    0.0000.000-0.090-7.042-6.952-0.0030-0.0000325171-0.003-0.25%Input Charge (MIP)Shaper G1 output (V)0.00066575270.0152934286

    0.08078.660115.340109.639-5.701-0.00259.79966428260.0416723420.040-0.21%000.0151.53%

    0.160157.100231.940225.993-5.947-0.002119.43207804210.0837999220.082-0.21%1000.069770.0821.21%

    0.240235.580346.100342.406-3.694-0.001179.09490098770.125045930.124-0.13%2000.13940.1480.90%

    0.320312.779458.880456.919-1.961-0.001237.78386975140.1657933440.165-0.07%3000.20880.2150.62%

    0.400392.500574.450575.1730.7230.000298.39013769280.2075487850.2080.03%4000.27820.2820.34%

    0.480470.950703.510691.542-11.968-0.005358.03015374880.2541781630.250-0.43%5000.34740.3480.08%

    0.560549.470802.590808.0155.4250.002417.72338588040.2899757670.2920.20%6000.41660.415-0.19%

    0.640627.865916.060924.3028.2420.003477.32158930570.3309724780.3340.30%7000.48560.481-0.43%

    0.720706.3731029.7201040.75711.0370.004537.00569868150.3720378360.3760.40%8000.55460.548-0.67%

    0.800794.7191167.3501171.8054.4550.002604.16894735560.4217635550.4230.16%9000.62340.614-0.89%

    0.880882.9051291.4001302.61611.2160.004671.21055928570.466582820.4710.41%10000.69220.681-1.12%

    0.960961.3851408.2201419.02910.8090.004730.87338223130.5087898860.5130.39%11000.76070.748-1.31%

    1.0401039.8181525.1301535.37310.2430.004790.50047438330.5510294690.5550.37%12000.8290.814-1.48%

    1.1201118.2451644.7101651.7086.9980.003850.12300515740.5942337230.5970.25%13000.8970.881-1.62%

    1.2001196.7001763.7301768.0844.3540.002909.76682236170.6372356490.6390.16%14000.96450.947-1.72%

    1.2801275.7201884.4001885.2980.8980.000969.84016931830.680833720.6810.03%15001.0311.014-1.71%

    1.3601353.5102004.3802000.688-3.692-0.0011028.97843380530.7241824940.723-0.13%16001.0951.080-1.45%

    1.4401431.9002125.6602116.968-8.692-0.0031088.57283608230.7680009580.765-0.31%17001.1491.147-0.19%

    1.5201510.3502259.1302233.337-25.793-0.0101148.21285213840.8162236690.807-0.93%18001.1911.2142.26%

    1.6001587.7202346.1902348.1041.9140.0011207.03182017220.8476784470.8480.07%19001.2221.2805.