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ADS61B29 Datasheet(PDF) 8 Page - Texas Instruments |
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ADS61B29 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 62 page ELECTRICAL CHARACTERISTICS – ADS61B49 and ADS61B29 ADS61B29 ADS61B49 SLWS214B – OCTOBER 2008 – REVISED MAY 2009 ...................................................................................................................................................... www.ti.com Typical values are at 25°C, AVDD = 3.3 V, DRVDD = 1.8 V, 50% clock duty cycle, –1 dBFS differential analog input, internal reference mode unless otherwise noted. Min and max values are across the full temperature range TMIN = –40°C to TMAX = 85°C, AVDD = 3.3 V, DRVDD = 1.8 V ADS61B49/ADS61B29 250 MSPS PARAMETER UNIT MIN TYP MAX Fin = 20 MHz 92 Fin = 80 MHz 86 Fin = 100 MHz 86 SFDR dBc Spurious free dynamic range Fin = 170 MHz (all spurs/harmonics) 74 84 Fin = 170 MHz (excluding 2nd harmonic) 77 87 Fin = 300 MHz 76 Fin = 20 MHz 89 Fin = 80 MHz 83 THD Fin = 100 MHz 82 dBc Total harmonic distortion Fin = 170 MHz 72 79 Fin = 300 MHz 73 Fin = 20 MHz 94 Fin = 80 MHz 90 HD2, Fin = 100 MHz 88 dBc Second harmonic distortion Fin = 170 MHz 74 84 Fin = 300 MHz 76 Fin = 20 MHz 93 Fin = 80 MHz 86 HD3 Fin = 100 MHz 85 dBc Third harmonic distortion Fin = 170 MHz 77 87 Fin = 300 MHz 76 Fin = 20 MHz 96 Fin = 80 MHz 94 Worst Spur Fin = 100 MHz 94 dBc Other than second, third harmonics Fin = 170 MHz 80 92 Fin = 300 MHz 90 F1 = 46 MHz, F2 = 50 MHz, 94 Each tone at –7 dBFS IMD dBFS 2-tone inter-modulation distortion F1 = 185 MHz, F2 = 190 MHz, 90 Each tone at –7 dBFS Recovery to within 1% (of final value) for 6-dB Clock Input overload recovery 1 overload with sine wave input Cycles PSRR For 100-mVpp signal on AVDD supply 25 dB AC power supply rejection ratio 8 Submit Documentation Feedback Copyright © 2008–2009, Texas Instruments Incorporated Product Folder Link(s): ADS61B29 ADS61B49 |
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