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ADC3681IRSBT Datasheet(PDF) 7 Page - Texas Instruments |
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ADC3681IRSBT Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 91 page  6.6 Electrical Characteristics - DC Specifications Typical values are over the operating free-air temperature range, at TA = 25°C, full temperature range is TMIN = –40°C to TMAX = 105°C, ADC sampling rate = 65 MSPS, 50% clock duty cycle, AVDD = IOVDD = 1.8 V, 1.6 V external reference, and –1-dBFS differential input, unless otherwise noted PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DC ACCURACY No missing codes 18 bits PSRR FIN = 1 MHz 50 dB ADC3681: 10 MSPS DNL Differential nonlinearity FIN = 5 MHz ± 0.7 ± 0.85 LSB INL Integral nonlinearity FIN = 5 MHz ± 7 ± 16 LSB VOS_ERR Offset error ± 10 ± 410 LSB VOS_DRIFT Offset drift over temperature -0.04 LSB/ºC GAINERR Gain error External 1.6V Reference 0.9 %FSR GAINDRIFT Gain drift over temperature External 1.6V Reference 2 ppm/ºC GAINERR Gain error Internal Reference 0.64 %FSR GAINDRIFT Gain drift over temperature Internal Reference 109 ppm/ºC Transition Noise 5 LSB ADC3682: 25 MSPS DNL Differential nonlinearity FIN = 5 MHz ± 0.7 ± 0.85 LSB INL Integral nonlinearity FIN = 5 MHz ± 7 ± 16 LSB VOS_ERR Offset error ± 40 ± 410 LSB VOS_DRIFT Offset drift over temperature -0.02 LSB/ºC GAINERR Gain error External 1.6V Reference 0.001 %FSR GAINDRIFT Gain drift over temperature External 1.6V Reference 1.5 ppm/ºC GAINERR Gain error Internal Reference -0.26 %FSR GAINDRIFT Gain drift over temperature Internal Reference 106 ppm/ºC Transition Noise 5 LSB ADC3683: 65 MSPS DNL Differential nonlinearity FIN = 5 MHz ± 0.7 ± 0.9 LSB INL Integral nonlinearity FIN = 5 MHz ± 7 ± 19 LSB VOS_ERR Offset error ± 130 ± 510 LSB VOS_DRIFT Offset drift over temperature ± 0.2 LSB/ºC GAINERR Gain error External 1.6V Reference ± 2.3 %FSR GAINDRIFT Gain drift over temperature External 1.6V Reference 68 ppm/ºC GAINERR Gain error Internal Reference ± 3.5 %FSR GAINDRIFT Gain drift over temperature Internal Reference 242 ppm/ºC Transition Noise 5 LSB www.ti.com ADC3681, ADC3682, ADC3683 SBAS872B – DECEMBER 2020 – REVISED OCTOBER 2022 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 7 Product Folder Links: ADC3681 ADC3682 ADC3683 |
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