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ADS4246IRGCR Arkusz danych(PDF) 5 Page - Texas Instruments |
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ADS4246IRGCR Arkusz danych(HTML) 5 Page - Texas Instruments |
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5 / 97 page  ADS4222, ADS4225, ADS4226 ADS4242, ADS4245, ADS4246 www.ti.com SBAS533 – MARCH 2011 ELECTRICAL CHARACTERISTICS: ADS4222/ADS4225/ADS4226 Typical values are at +25 °C, AVDD = 1.8V, DRVDD = 1.8V, 50% clock duty cycle, –1dBFS differential analog input, LVDS interface, and 0dB gain, 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. ADS4222 (65MSPS) ADS4225 (125MSPS) ADS4226 (160MSPS) PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNIT Resolution 12 12 12 Bits fIN = 20MHz 70.9 70.8 70.5 dBFS fIN = 70MHz 70.3 70.5 70.3 dBFS Signal-to-noise ratio SNR fIN = 100MHz 70.2 70.3 70.1 dBFS fIN = 170MHz 69.9 69.9 67.5 69.5 dBFS fIN = 300MHz 68.2 68.1 68.2 dBFS fIN = 20MHz 70.8 70.7 70.4 dBFS fIN = 70MHz 70.2 70.3 70.1 dBFS Signal-to-noise and SINAD fIN = 100MHz 70.1 70.1 69.8 dBFS distortion ratio fIN = 170MHz 68.7 69.5 66.5 69.3 dBFS fIN = 300MHz 67.2 67.5 67.6 dBFS fIN = 20MHz 91.8 88.9 86.6 dBc fIN = 70MHz 88.8 86.7 84.7 dBc Spurious-free dynamic range SFDR fIN = 100MHz 87.3 85.3 82.2 dBc fIN = 170MHz 85.3 88.0 70 82.0 dBc fIN = 300MHz 74 78.1 78.4 dBc fIN = 20MHz 88.1 86.2 84.4 dBc fIN = 70MHz 85.6 84.0 81.6 dBc Total harmonic distortion THD fIN = 100MHz 85.1 83.0 81.2 dBc fIN = 170MHz 82.2 84.2 68.5 80.8 dBc fIN = 300MHz 73.2 75.5 76.5 dBc fIN = 20MHz 91.8 88.9 86.6 dBc fIN = 70MHz 88.8 86.7 84.7 dBc Second-harmonic distortion HD2 fIN = 100MHz 87.3 85.3 82.2 dBc fIN = 170MHz 85.3 88.0 70 82.0 dBc fIN = 300MHz 74.0 78.1 78.4 dBc fIN = 20MHz 95.2 93.9 92.3 dBc fIN = 70MHz 90.7 89.5 86.4 dBc Third-harmonic distortion HD3 fIN = 100MHz 96.2 89.4 93.2 dBc fIN = 170MHz 87.0 90.8 70 94.2 dBc fIN = 300MHz 81.9 81.6 80.7 dBc fIN = 20MHz 98.9 95.8 90.8 dBc fIN = 70MHz 97.5 94.4 92.8 dBc Worst spur fIN = 100MHz 95.2 93.9 89.8 dBc (other than second and third harmonics) fIN = 170MHz 93.1 91.0 75 89.7 dBc fIN = 300MHz 92.7 89.4 91.7 dBc f1 = 46MHz, f2 = 50MHz, 98 96.9 96.2 dBFS each tone at –7dBFS Two-tone intermodulation IMD distortion f1 = 185MHz, f2 = 190MHz, 92.9 92.8 83.6 dBFS each tone at –7dBFS 20-MHz full-scale signal on channel under observation; Crosstalk 95 95 95 dB 170-MHz full-scale signal on other channel Recovery to within 1% Clock Input overload recovery (of full-scale) for 6dB overload 1 1 1 cycle with sine-wave input AC power-supply rejection For 100mVPP signal on AVDD PSRR 30 30 30 dB ratio supply, up to 10MHz Effective number of bits ENOB fIN = 170MHz 11.1 11.3 11.2 LSBs Differential nonlinearity DNL fIN = 170MHz ±0.13 ±0.13 –0.8 ±0.13 1.5 LSBs Integrated nonlinearity INL fIN = 170MHz ±0.5 ±0.5 ±0.5 3.5 LSBs Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): ADS4222 ADS4225 ADS4226 ADS4242 ADS4245 ADS4246 |
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