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ADS42LB49IRGCR Arkusz danych(PDF) 5 Page - Texas Instruments |
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ADS42LB49IRGCR Arkusz danych(HTML) 5 Page - Texas Instruments |
5 / 80 page ADS42LB49 ADS42LB69 www.ti.com SLAS904D – OCTOBER 2012 – REVISED SEPTEMBER 2013 ELECTRICAL CHARACTERISTICS: ADS42LB49 (14-Bit) Typical values are at TA = +25°C, AVDD = 1.8 V, AVDD3V = 3.3 V, DRVDD = 1.8 V, 50% clock duty cycle, –1-dBFS differential analog input, and sampling rate = 250 MSPS, unless otherwise noted. Minimum and maximum values are across the full temperature range of TMIN = –40°C to TMAX = +85°C, AVDD = 1.8 V, AVDD3V = 3.3 V, DRVDD = 1.8 V. 2-VPP FULL-SCALE 2.5-VPP FULL-SCALE PARAMETER TEST CONDITIONS UNITS MIN TYP MAX MIN TYP MAX fIN = 10 MHz 73.3 74.9 dBFS fIN = 70 MHz 73.1 74.7 dBFS SNR Signal-to-noise ratio fIN = 170 MHz 69.5 72.7 74.1 dBFS fIN = 230 MHz 72.3 73.5 dBFS fIN = 10 MHz 73.1 74.1 dBFS fIN = 70 MHz 73.1 74.4 dBFS SINAD Signal-to-noise and distortion ratio fIN = 170 MHz 68.5 72.6 73.6 dBFS fIN = 230 MHz 72 72.9 dBFS fIN = 10 MHz 87 82 dBc Spurious-free dynamic range fIN = 70 MHz 90 88 dBc SFDR (including second and third fIN = 170 MHz 79 87 85 dBc harmonic distortion) fIN = 230 MHz 86 83 dBc fIN = 10 MHz 86 81 dBc fIN = 70 MHz 89 87 dBc THD Total harmonic distortion fIN = 170 MHz 76 85 82 dBc fIN = 230 MHz 83 81 dBc fIN = 10 MHz 97 95 dBc fIN = 70 MHz 90 88 dBc HD2 2nd-order harmonic distortion fIN = 170 MHz 79 87 85 dBc fIN = 230 MHz 86 84 dBc fIN = 10 MHz 87 82 dBc fIN = 70 MHz 96 94 dBc HD3 3rd-order harmonic distortion fIN = 170 MHz 79 91 85 dBc fIN = 230 MHz 87 83 dBc fIN = 10 MHz 104 103 dBc Worst spur fIN = 70 MHz 101 103 dBc (other than second and third fIN = 170 MHz 87 100 101 dBc harmonics) fIN = 230 MHz 99 100 dBc f1 = 46 MHz, f2 = 50 MHz, 99 95 dBFS each tone at –7 dBFS Two-tone intermodulation IMD distortion f1 = 185 MHz, f2 = 190 MHz, 93 93 dBFS each tone at –7 dBFS 20-MHz, full-scale signal on channel under observation; Crosstalk 100 90 dB 170-MHz, full-scale signal on other channel Recovery to within 1% (of full- Clock Input overload recovery scale) for 6-dB overload with sine- 1 1 cycle wave input For a 50-mVPP signal on AVDD PSRR AC power-supply rejection ratio > 40 > 40 dB supply, up to 10 MHz ENOB Effective number of bits fIN = 170 MHz 11.76 11.93 LSBs DNL Differential nonlinearity fIN = 170 MHz ±0.15 ±0.15 LSBs INL Integrated nonlinearity fIN = 170 MHz ±0.75 ±3 ±0.9 LSBs Copyright © 2012–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: ADS42LB49 ADS42LB69 |
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