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AD7457BRT-REEL7 Datasheet(PDF) 9 Page - Analog Devices |
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AD7457BRT-REEL7 Datasheet(HTML) 9 Page - Analog Devices |
9 / 20 page AD7457 Rev. 0 | Page 9 of 20 TYPICAL PERFORMANCE CHARACTERISTICS Default Conditions: TA = 25°C, fS = 100 kSPS, fSCLK = 10 MHz, VDD = 2.7 V to 5.25 V, VREF = 2.5 V, unless otherwise noted. FREQUENCY (kHz) 65 10 20 50 70 75 VDD = 3V 30 40 VDD = 5V Figure 5. SINAD vs. Analog Input Frequency for VDD = 3 V and 5 V 0 –20 –40 –80 –60 –120 –100 –140 SUPPLY RIPPLE FREQUENCY (kHz) 0 100 200 300 400 500 900 1000 VDD = 5V VDD = 3V 100mV p-p SINE WAVE ON VDD NO DECOUPLING ON VDD 600 700 800 Figure 6. PSRR vs. Supply Ripple Frequency without Supply Decoupling FREQUENCY (kHz) 0 –20 –40 –80 –60 –120 –100 –140 0 100 8192 POINT FFT fSAMPLE = 100kSPS fIN = 30kHz SINAD = 71dB THD = –82dB SFDR =–83dB 30 50 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 AD7457 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 AD7457 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 |
Similar Part No. - AD7457BRT-REEL7 |
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Similar Description - AD7457BRT-REEL7 |
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