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ADS4125 Datasheet(PDF) 6 Page - Texas Instruments |
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ADS4125 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 82 page ADS4122, ADS4125 ADS4142, ADS4145 SBAS520A – FEBRUARY 2011 – REVISED MARCH 2011 www.ti.com ELECTRICAL CHARACTERISTICS: ADS4142/ADS4145 Typical values are at +25 °C, AVDD = 1.8V, DRVDD = 1.8V, 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 = 1.8V, and DRVDD = 1.8V. ADS4142 (65MSPS) ADS4145 (125MSPS) PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT Resolution 14 14 Bits fIN = 10MHz 73.9 73.7 dBFS fIN = 70MHz 73.5 73.4 dBFS SNR (signal-to-noise ratio), LVDS fIN = 100MHz 73.2 73.1 dBFS fIN = 170MHz 69 72.4 70 72.2 dBFS fIN = 300MHz 70.5 71.3 dBFS fIN = 10MHz 73.5 73.2 dBFS fIN = 70MHz 73.3 73 dBFS SINAD (signal-to-noise and distortion ratio), fIN = 100MHz 73 72.6 dBFS LVDS fIN = 170MHz 68 72.3 69 71.8 dBFS fIN = 300MHz 69.2 70.6 dBFS fIN = 10MHz 87 86 dBc fIN = 70MHz 86.5 85.5 dBc Spurious-free dynamic range SFDR fIN = 100MHz 87 82 dBc fIN = 170MHz 71 85 72.5 81.5 dBc fIN = 300MHz 72.5 77 dBc fIN = 10MHz 84 83 dBc fIN = 70MHz 84 83.5 dBc Total harmonic distortion THD fIN = 100MHz 84 81 dBc fIN = 170MHz 69.5 82.5 70.5 80 dBc fIN = 300MHz 72.5 75.5 dBc fIN = 10MHz 88 87 dBc fIN = 70MHz 87 85.5 dBc Second-harmonic distortion HD2 fIN = 100MHz 88 82 dBc fIN = 170MHz 71 87 72.5 84 dBc fIN = 300MHz 72.5 77 dBc fIN = 10MHz 87 86 dBc fIN = 70MHz 86.5 87 dBc Third-harmonic distortion HD3 fIN = 100MHz 87 85 dBc fIN = 170MHz 71 85 72.5 81.5 dBc fIN = 300MHz 85 84 dBc fIN = 10MHz 96 95 dBc fIN = 70MHz 95 95 dBc Worst spur fIN = 100MHz 94 95 dBc (other than second and third harmonics) fIN = 170MHz 77.5 92 78.5 91 dBc fIN = 300MHz 87 88 dBc Two-tone intermodulation f1 = 100MHz, f2 = 105MHz, IMD 88.5 87.5 dBFS distortion each tone at –7dBFS Recovery to within 1% (of final Clock Input overload recovery value) for 6dB overload with 1 1 cycles sine-wave input For 100mVPP signal on AVDD AC power-supply rejection ratio PSRR > 30 > 30 dB supply, up to 10MHz Effective number of bits ENOB fIN = 170MHz 11.5 11.3 LSBs Differential nonlinearity DNL fIN = 170MHz –0.95 ±0.5 1.7 –0.95 ±0.5 1.7 LSBs Integrated nonlinearity INL fIN = 170MHz ±1.5 ±4.5 ±1.5 ±4.5 LSBs 6 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): ADS4122 ADS4125 ADS4142 ADS4145 |
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