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AD7689BCPZ Fiches technique(PDF) 4 Page - Analog Devices |
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AD7689BCPZ Fiches technique(HTML) 4 Page - Analog Devices |
4 / 28 page AD7682/AD7689 Rev. 0 | Page 4 of 28 AD7682B/AD7689B Parameter Conditions/Comments Min Typ Max Unit AC ACCURACY5 Dynamic Range 93.8 dB6 Signal-to-Noise fIN = 20 kHz, VREF = 5 V 92.5 93.5 dB fIN = 20 kHz, VREF = 4.096 V internal REF 91 92.3 dB fIN = 20 kHz, VREF = 2.5 V internal REF 87.5 88.8 dB SINAD fIN = 20 kHz, VREF = 5 V 91 92.5 dB fIN = 20 kHz, VREF = 5 V −60 dB input 33.5 dB fIN = 20 kHz, VREF = 4.096 V internal REF 90 91 dB fIN = 20 kHz, VREF = 2.5 V internal REF 87 88.4 dB Total Harmonic Distortion fIN = 20 kHz −100 dB Spurious-Free Dynamic Range fIN = 20 kHz 110 dB Channel-to-Channel Crosstalk fIN = 100 kHz on adjacent channel(s) −125 dB SAMPLING DYNAMICS −3 dB Input Bandwidth Selectable 0.425 1.7 MHz Aperture Delay VDD = 5 V 2.5 ns INTERNAL REFERENCE REF Output Voltage 2.5 V, @ 25°C 2.490 2.500 2.510 V 4.096 V, @ 25°C 4.086 4.096 4.106 V REFIN Output Voltage7 2.5 V, @ 25°C 1.2 V 4.096 V, @ 25°C 2.3 V REF Output Current ±300 μA Temperature Drift ±10 ppm/°C Line Regulation VDD = 5 V ± 5% ±15 ppm/V Long-Term Drift 1000 hours 50 ppm Turn-On Settling Time CREF = 10 μF 5 ms EXTERNAL REFERENCE Voltage Range REF input 0.5 VDD + 0.3 V REFIN input (buffered) 0.5 VDD − 0.2 V Current Drain 250 kSPS, REF = 5 V 50 μA TEMPERATURE SENSOR Output Voltage8 @ 25°C 283 mV Temperature Sensitivity 1 mV/°C DIGITAL INPUTS Logic Levels VIL −0.3 +0.3 × VIO V VIH 0.7 × VIO VIO + 0.3 V IIL −1 +1 μA IIH −1 +1 μA DIGITAL OUTPUTS Data Format9 Pipeline Delay10 VOL ISINK = +500 μA 0.4 V VOH ISOURCE = −500 μA VIO − 0.3 V |
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