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ADS4225 Datasheet(PDF) 5 Page - Texas Instruments |
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ADS4225 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 104 page  ADS4222, ADS4225, ADS4226 ADS4242, ADS4245, ADS4246 www.ti.com SBAS533C – MARCH 2011 – REVISED JUNE 2011 ELECTRICAL CHARACTERISTICS: ADS4246/ADS4245/ADS4242 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. ADS4246 (160MSPS) ADS4245 (125MSPS) ADS4242 (65MSPS) PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNIT Resolution 14 14 14 Bits fIN = 20MHz 72.8 73.4 73.6 dBFS fIN = 70MHz 72.5 70 72.9 69.5 72.5 dBFS Signal-to-noise ratio SNR fIN = 100MHz 72.2 72.6 72.3 dBFS fIN = 170MHz 69 71.2 71.4 70.4 dBFS fIN = 300MHz 69.4 69.3 69.4 dBFS fIN = 20MHz 72.6 73.2 73.5 dBFS fIN = 70MHz 72.1 69 72.6 68.5 72.3 dBFS Signal-to-noise and SINAD fIN = 100MHz 71.7 72.3 72.1 dBFS distortion ratio fIN = 170MHz 67.5 70.8 71.2 70.2 dBFS fIN = 300MHz 68 68.5 68.2 dBFS fIN = 20MHz 86 88 91 dBc fIN = 70MHz 84 73.5 86 73.5 88 dBc Spurious-free dynamic range SFDR fIN = 100MHz 82 85 87 dBc fIN = 170MHz 72 82 88 85 dBc fIN = 300MHz 78 78 74 dBc fIN = 20MHz 84 86 88 dBc fIN = 70MHz 81 72 84 72 85 dBc Total harmonic distortion THD fIN = 100MHz 81 83 85 dBc fIN = 170MHz 70 80 84 82 dBc fIN = 300MHz 76 75 73 dBc fIN = 20MHz 86 88 91 dBc fIN = 70MHz 84 73.5 86 73.5 88 dBc Second-harmonic distortion HD2 fIN = 100MHz 82 85 87 dBc fIN = 170MHz 72 82 88 85 dBc fIN = 300MHz 78 78 74 dBc fIN = 20MHz 92 93 95 dBc fIN = 70MHz 86 73.5 89 73.5 90 dBc Third-harmonic distortion HD3 fIN = 100MHz 93 89 96 dBc fIN = 170MHz 72 94 90 87 dBc fIN = 300MHz 80 81 81 dBc fIN = 20MHz 90 95 98 dBc fIN = 70MHz 92 78 94 79 97 dBc Worst spur fIN = 100MHz 89 93 95 dBc (other than second and third harmonics) fIN = 170MHz 77 89 91 93 dBc fIN = 300MHz 91 89 92 dBc f1 = 46MHz, f2 = 50MHz, 96 96 98 dBFS each tone at –7dBFS Two-tone intermodulation IMD distortion f1 = 185MHz, f2 = 190MHz, 83 92 92 dBFS each tone at –7dBFS Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): ADS4222 ADS4225 ADS4226 ADS4242 ADS4245 ADS4246 |
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