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ADS4125IRGZT Datasheet(PDF) 10 Page - Texas Instruments |
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ADS4125IRGZT Datasheet(HTML) 10 Page - Texas Instruments |
10 / 74 page 10 ADS4122, ADS4125, ADS4142, ADS4145 SBAS520B – FEBRUARY 2011 – REVISED JANUARY 2016 www.ti.com Product Folder Links: ADS4122 ADS4125 ADS4142 ADS4145 Submit Documentation Feedback Copyright © 2011–2016, Texas Instruments Incorporated Electrical Characteristics: ADS412x (continued) Typical values are at 25°C, AVDD = 1.8 V, DRVDD = 1.8 V, 50% clock duty cycle, –1dBFS differential analog input, 0dB gain, and DDR LVDS interface, unless otherwise noted. Minimum and maximum values are across the full temperature range: TMIN = –40°C to TMAX = 85°C, AVDD = 1.8 V, and DRVDD = 1.8 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Worst spur (other than second and third harmonics) fIN = 10 MHz ADS4122 (65MSPS) 96 dBc ADS4125 (125MSPS) 95 fIN = 70 MHz ADS4122 (65MSPS) 96 dBc ADS4125 (125MSPS) 95 fIN = 100 MHz ADS4122 (65MSPS) 94 dBc ADS4125 (125MSPS) 95 fIN = 170 MHz ADS4122 (65MSPS) 76.5 92 dBc ADS4125 (125MSPS) 76.5 91 fIN = 300 MHz 88 dBc IMD Two-tone intermodulation distortion f1 = 100 MHz, f2 = 105 MHz, each tone at –7 dBFS ADS4122 (65MSPS) 90 dBFS ADS4125 (125MSPS) 87.5 Input overload recovery Recovery to within 1% (of final value) for 6dB overload with sine-wave input 1 Clock cycles PSRR AC power-supply rejection ratio For 100-mVPP signal on AVDD supply, up to 10 MHz > 30 dB ENOB Effective number of bits fIN = 170 MHz 11.2 LSBs DNL Differential nonlinearity fIN = 170 MHz –0.85 ±0.2 1.5 LSBs INL Integrated nonlinearity fIN = 170 MHz ADS4122 (65MSPS) ±0.3 3.5 LSBs ADS4125 (125MSPS) ±0.35 3.5 7.6 Electrical Characteristics: ADS414x Typical values are at 25°C, AVDD = 1.8 V, DRVDD = 1.8 V, 50% clock duty cycle, –1-dBFS differential analog input, 0-dB gain, and DDR LVDS interface, unless otherwise noted. Minimum and maximum values are across the full temperature range: TMIN = –40°C to TMAX = 85°C, AVDD = 1.8 V, and DRVDD = 1.8 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Resolution 14 Bits SNR (signal-to-noise ratio), LVDS fIN = 10 MHz ADS4142 (65 MSPS) 73.9 dBFS ADS4145 (125 MSPS) 73.7 fIN = 70 MHz ADS4142 (65 MSPS) 73.5 dBFS ADS4145 (125 MSPS) 73.4 fIN = 100 MHz ADS4142 (65 MSPS) 73.2 dBFS ADS4145 (125 MSPS) 73.1 fIN = 170 MHz ADS4142 (65 MSPS) 69 72.4 dBFS ADS4145 (125 MSPS) 70 72.2 fIN = 300 MHz ADS4142 (65 MSPS) 70.5 dBFS ADS4145 (125 MSPS) 71.3 SINAD (signal-to-noise and distortion ratio), LVDS fIN = 10 MHz ADS4142 (65 MSPS) 73.5 dBFS ADS4145 (125 MSPS) 73.2 fIN = 70 MHz ADS4142 (65 MSPS) 73.3 dBFS ADS4145 (125 MSPS) 73 fIN = 100 MHz ADS4142 (65 MSPS) 73 dBFS ADS4145 (125 MSPS) 72.6 fIN = 170 MHz ADS4142 (65 MSPS) 68 72.3 dBFS ADS4145 (125 MSPS) 69 71.8 fIN = 300 MHz ADS4142 (65 MSPS) 69.2 dBFS ADS4145 (125 MSPS) 70.6 |
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