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ADS8028IRTJT Datasheet(PDF) 8 Page - Texas Instruments |
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ADS8028IRTJT Datasheet(HTML) 8 Page - Texas Instruments |
8 / 34 page −140 −120 −100 −80 −60 −40 −20 0 0 50 100 150 200 250 300 350 400 450 500 Input Frequency (kHz) fSAMPLE = 1.176 MHz fIN = 41.68 kHz fSCLK = 20 MHz SNR = 72.7 dB THD = −93.6 dB G000 −0.6 −0.4 −0.2 0 0.2 0.4 0.6 1 1.5 2 2.5 3 3.5 4 4.5 5 Maximum INL Minimum INL Reference Voltage (V) AVDD = 5 V DVDD = 5 V External Reference Mode G001 −1 −0.8 −0.6 −0.4 −0.2 0 0.2 0.4 0.6 0.8 1 0 512 1024 1536 2048 2560 3072 3584 4096 ADC Output Code (LSB) G002 −0.6 −0.4 −0.2 0 0.2 0.4 0.6 1 1.5 2 2.5 3 3.5 4 4.5 5 Maximum DNL Minimum DNL Reference Voltage (V) AVDD = 5 V DVDD = 5 V External Reference Mode G003 −1 −0.8 −0.6 −0.4 −0.2 0 0.2 0.4 0.6 0.8 1 0 512 1024 1536 2048 2560 3072 3584 4096 ADC Output Code (LSB) G004 8 9 10 11 12 1 2 3 4 5 Reference Voltage (V) AVDD = 5 V DVDD = 5 V External Reference Mode G006 ADS8028 SBAS549B – MAY 2011 – REVISED MARCH 2012 www.ti.com TYPICAL CHARACTERISTICS All plots at TA = +25°C, AVDD = 3.0 V, DVDD = 3.0 V, fSAMPLE = 1 MHz, fSCLK = 20 MHz, and VREF = 2.5 V internal, unless otherwise noted. TYPICAL FFT INL vs VREF Figure 2. Figure 3. TYPICAL ADC INL DNL vs VREF Figure 4. Figure 5. TYPICAL ADC DNL ENOB vs VREF Figure 6. Figure 7. 8 Submit Documentation Feedback Copyright © 2011–2012, Texas Instruments Incorporated Product Folder Link(s): ADS8028 |
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