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ADS4229IRGCT Datasheet(PDF) 10 Page - Texas Instruments |
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ADS4229IRGCT Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 67 page  ADS4229 SBAS550C – JUNE 2011 – REVISED MAY 2015 www.ti.com Recommended Operating Conditions (continued) Over operating free-air temperature range, unless otherwise noted. MIN NOM MAX UNIT DIGITAL OUTPUTS Maximum external load capacitance from each output pin to DRGND, CLOAD 5 pF Differential load resistance between the LVDS output pairs (LVDS mode), RLOAD 100 Ω Operating free-air temperature, TA –40 +85 °C 7.4 Thermal Information ADS4229 THERMAL METRIC(1) RGC (VQFN) UNIT 64 PINS RθJA Junction-to-ambient thermal resistance 23.9 °C/W RθJC(top) Junction-to-case (top) thermal resistance 10.9 °C/W RθJB Junction-to-board thermal resistance 4.3 °C/W ψJT Junction-to-top characterization parameter 0.1 °C/W ψJB Junction-to-board characterization parameter 4.4 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 0.6 °C/W (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953. 7.5 Electrical Characteristics: ADS4229 (250 MSPS) Typical values are at +25°C, AVDD = 1.8 V, DRVDD = 1.8 V, 50% clock duty cycle, –1 dBFS differential analog input, LVDS interface, and 0-dB gain, 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 12 Bits fIN = 20 MHz 70.5 dBFS fIN = 70 MHz 70.3 dBFS fIN = 100 MHz 70.1 dBFS Signal-to-noise ratio SNR fIN = 170 MHz, 0-dB gain 69.8 dBFS fIN = 170 MHz, 3-dB gain 65.5 67.8 dBFS fIN = 300 MHz 68.2 dBFS fIN = 20 MHz 70 dBFS fIN = 70 MHz 69.7 dBFS fIN = 100 MHz 69.8 dBFS Signal-to-noise and SINAD distortion ratio fIN = 170 MHz, 0-dB gain 68.1 dBFS fIN = 170 MHz, 3-dB gain 65 67.5 dBFS fIN = 300 MHz 67.6 dBFS fIN = 20 MHz 80 dBc fIN = 70 MHz 79 dBc fIN = 100 MHz 82 dBc Spurious-free dynamic SFDR range fIN = 170 MHz, 0-dB gain 80 dBc fIN = 170 MHz, 3-dB gain 71 81 dBc fIN = 300 MHz 77 dBc fIN = 20 MHz 78 dBc fIN = 70 MHz 77 dBc fIN = 100 MHz 79 dBc Total harmonic distortion THD fIN = 170 MHz, 0-dB gain 76 dBc fIN = 170 MHz, 3-dB gain 69.5 78 dBc fIN = 300 MHz 75 dBc 10 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: ADS4229 |
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