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AD7453 Datasheet(PDF) 10 Page - Analog Devices |
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AD7453 Datasheet(HTML) 10 Page - Analog Devices |
10 / 21 page AD7453 Rev. B | Page 9 of 20 AD7453–TYPICAL PERFORMANCE CHARACTERISTICS Default Conditions: TA = 25°C, fS = 555 kSPS, fSCLK = 10 MHz, VDD = 2.7 V to 5.25 V, VREF = 2.5 V, unless otherwise noted. FREQUENCY (kHz) 55 10 100 277 60 65 70 75 VDD = 5.25V VDD = 2.7V VDD = 3.6V VDD = 4.75V Figure 5. SINAD vs. Analog Input Frequency for Various Supply Voltages 0 –20 –40 –80 –60 –120 –100 –140 SUPPLY RIPPLE FREQUENCY (kHz) 0 100 200 300 400 500 900 1000 VDD= 5V VDD = 3V 600 700 800 100mV p-p SINE WAVE ON VDD NO DECOUPLING ON VDD Figure 6. PSRR vs. Supply Ripple Frequency without Supply Decoupling FREQUENCY (kHz) 0 100 200 –100 –140 277 –20 0 –120 –40 –60 –80 8192 POINT FFT fSAMPLE = 555kSPS fIN = 100kSPS SINAD = 71.7dB THD = –82dB SFDR = –83dB Figure 7. Dynamic Performance for VDD = 5 V CODE 1.0 0.8 0.6 0.2 0.4 –0.2 –0.4 –0.6 –0.8 0 –1.0 0 1024 3072 2048 4096 Figure 8. Typical DNL for the AD7453 for VDD = 5 V CODE 1.0 0.8 0.6 0.2 0.4 –0.2 –0.4 –0.6 –0.8 0 –1.0 0 1024 3072 2048 4096 Figure 9. Typical INL for the AD7453 for VDD = 5 V CODES 0 2046 2047 2048 2049 2050 2051 27 CODES 24 CODES 9949 CODES 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 Figure 10. Histogram of 10,000 Conversions of a DC Input |
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