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DAC3282IRGZR Datasheet(PDF) 8 Page - Texas Instruments |
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DAC3282IRGZR Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 49 page  DAC3282 SLAS646 – DECEMBER 2009 www.ti.com 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 output update rate MSPS 2x Interpolation 625 ts(DAC) Output settling time to 0.1% Transition: Code 0x0000 to 0xFFFF 10.4 ns DAC outputs are updated on the falling edge of DAC clock. tpd Output propagation delay 2 ns 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 from SDENB DAC Wake-up Time 90 μs rising edge; Register CONFIG24, toggle sleepa from 1 to 0 Power-up IOUT current settling to less than 1% of IOUTFS. Measured from time DAC Sleep Time SDENB rising edge; Register CONFIG24, toggle sleepa from 0 90 μs to 1. No interpolation, FIFO off, Offset off, Inverse sinc off 38 2x Interpolation 59 DAC clock Digital Latency Zero-IF Sinc Correction Filter 16 cycles FIFO 8 Offset 4 AC PERFORMANCE(2) fDAC = 625 MSPS, fOUT = 10.1 MHz 2x Interp, DAC A+B on 83 Spurious Free Dynamic Range SFDR SFDR fDAC = 625 MSPS, fOUT = 20.1 MHz 2x Interp, DAC A+B on 78 dBc (0 to fDAC/2) Tone at 0 dBFS fDAC = 625 MSPS, fOUT = 70.1 MHz 2x Interp, DAC A+B on 64 fDAC = 625 MSPS, fOUT = 30 ± 0.5 MHz 2x Interp, DAC A+B on 82 Third-order two-tone intermodulation fDAC = 625 MSPS, fOUT = 50 ± 0.5 MHz 2x Interp, DAC A+B on 80 IMD3 dBc distortion Each tone at –6 dBFS fDAC = 625 MSPS, fOUT = 150 ± 0.5 MHz 2x Interp, DAC A+B 69 on, fDAC = 625 MSPS, fOUT = 10.1 MHz 2x Interp, DAC A+B on 161 Noise Spectral Density Single Tone at NSD dBc/Hz 0 dBm fDAC = 625 MSPS, fOUT = 150.1 MHz 2x Interp, DAC A+B on 150 fDAC = 491.52 MSPS, fOUT= 30.72 MHz 2x Interp, DAC A+B on 81 Adjacent Channel Leakage Ratio, dBc Single Carrier fDAC = 491.52 MSPS, fOUT = 153.6 MHz 2x Interp, DAC A+B on 76 WCDMA(3) fDAC = 491.52 MSPS, fOUT = 30.72 MHz 2x Interp, DAC A+B on 84 dBc Alternate Channel Leakage Ratio, Single Carrier fDAC = 491.52 MSPS, fOUT = 153.6 MHz 2x Interp, DAC A+B on 77 dBc Channel Isolation fDAC = 625 MSPS, fOUT = 10 MHz 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 IF, PAR = 12dB. TESTMODEL 1, 10 ms 8 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s): DAC3282 |
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