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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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DAC3283 Fiches technique(PDF) 7 Page - Texas Instruments |
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DAC3283 Fiches technique(HTML) 7 Page - Texas Instruments |
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7 / 50 page  DAC3283 www.ti.com SLAS693A – MARCH 2010 – REVISED APRIL 2010 ELECTRICAL CHARACTERISTICS — AC SPECIFICATIONS Over recommended operating free-air temperature range, nominal supplies, IOUTFS = 20 mA (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG OUTPUT(1) 1x Interpolation 312.5 fDAC Maximum DAC output update rate 2x Interpolation 625 MSPS 4x Interpolation 800 ts(DAC) Output settling time to 0.1% Transition: Code 0x0000 to 0xFFFF 10.4 ns tpd Output propagation delay DAC outputs are updated on the falling edge of DAC 2 ns clock. Does not include digital latency (see below). tr(IOUT) Output rise time 10% to 90% 220 ps tf(IOUT) Output fall time 90% to 10% 220 ps IOUT current settling to 1% of IOUTFS. Measured DAC wake-up time from SDENB rising edge; Register CONFIG24, 90 toggle sleepa from 1 to 0. Power-up µs time IOUT current settling to less than 1% of IOUTFS. DAC sleep time Measured from SDENB rising edge; Register 90 CONFIG24, toggle sleepa from 0 to 1. 1x Interpolation 59 DAC 2x Interpolation 139 Digital latency clock 4x Interpolation 290 cycles QMC 24 AC PERFORMANCE(2) fDAC = 800 MSPS, fOUT = 20.1 MHz 85 Spurious free dynamic range (0 to SFDR fDAC = 800 MSPS, fOUT = 50.1 MHz 76 dBc fDAC/2)Tone at 0 dBFS fDAC = 800 MSPS, fOUT = 70.1 MHz 72 fDAC = 800 MSPS, fOUT = 30 ± 0.5 MHz 93 Third-order two-tone intermodulation distortion IMD3 fDAC = 800 MSPS, fOUT = 50 ± 0.5 MHz 90 dBc Each tone at –12 dBFS fDAC = 800 MSPS, fOUT = 100 ± 0.5 MHz 86 fDAC = 800 MSPS, fOUT = 10.1 MHz 162 Noise spectral density tone at NSD dBc/Hz 0dBFS fDAC = 800 MSPS, fOUT = 80.1 MHz 160 fDAC = 737.28 MSPS, fOUT = 30.72MHz 85 Adjacent channel leakage ratio, dBc single carrier fDAC = 737.28 MSPS, fOUT = 153.6MHz 81 WCDMA(3) fDAC = 737.28 MSPS, fOUT = 30.72MHz 91 Alternate channel leakage ratio, dBc single carrier fDAC = 737.28 MSPS, fOUT = 153.6MHz 85 Channel isolation fDAC = 800 MSPS, fOUT = 10MHz 84 dBc (1) Measured single-ended into 50 Ω load. (2) 4:1 transformer output termination, 50 Ω doubly terminated load (3) Single carrier, W-CDMA with 3.84 MHz BW, 5-MHz spacing, centered at fOUT, PAR = 12dB. TESTMODEL 1, 10 ms Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): DAC3283 |
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