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DAC1280 Scheda tecnica(PDF) 8 Page - Texas Instruments |
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DAC1280 Scheda tecnica(HTML) 8 Page - Texas Instruments |
8 / 24 page 0 20 40 60 80 100 120 140 160 180 200 - - - - - - - - - - 0 50 100 150 200 250 300 350 400 450 500 Frequency (Hz) Gain = 1/64 8k FFT V = 0.5dBFS, 31.25Hz THD = 113.1dB SNR = 99.3dB OUT - - 10 8 6 4 2 0 Absolute Gain Match (ppm) 30 Units Gain Match over T = 40 C to +85 - A C ° ° 1500 1000 500 0 1000 1500 - - - 500 -55 -35 -15 5 25 45 65 85 105 125 Temperature ( C) ° G = 1/1 G = 1/2 G = 1/4 G = 1/8 G = 1/16 G = 1/32 G = 1/64 10 8 6 4 2 0 Gain Error (ppm) 30 Units Gain = 1/1 200 150 100 50 0 100 150 200 - - - 50 - -55 -35 -15 5 25 45 65 85 105 125 Temperature ( C) ° G = 1/1 G = 1/2 G = 1/4 G = 1/8 G = 1/16 G = 1/32 G = 1/64 10 8 6 4 2 0 Offset (ppm, FS) 30 Units Gain = 1/1 DAC1280 SBAS432A – APRIL 2010 – REVISED SEPTEMBER 2010 www.ti.com TYPICAL CHARACTERISTICS (continued) At TA = +25°C, AVDD = +2.5V, AVSS = +2.5V, DVDD = +3.3V, CLK = 4.096MHz, VREF = +5V, and RREF = 30kΩ, unless otherwise noted. Data acquired using circuit configuration shown in Figure 35. THD and SNR measured by ADS1282 (1ms sampling and complement gain setting). OUTPUT SPECTRUM GAIN MATCH HISTOGRAM Figure 8. Figure 9. GAIN ERROR vs TEMPERATURE GAIN ERROR HISTOGRAM Figure 10. Figure 11. OFFSET vs TEMPERATURE OFFSET HISTOGRAM Figure 12. Figure 13. 8 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): DAC1280 |
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