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AD7623ASTZRL Arkusz danych(PDF) 4 Page - Analog Devices |
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AD7623ASTZRL Arkusz danych(HTML) 4 Page - Analog Devices |
4 / 29 page AD7623 Rev. 0 | Page 3 of 28 SPECIFICATIONS AVDD = DVDD = 2.5 V; OVDD = 2.3 V to 3.6 V; VREF = 2.5 V; all specifications TMIN to TMAX, unless otherwise noted. Table 2. Parameter Conditions Min Typ Max Unit RESOLUTION 16 Bits ANALOG INPUT Voltage Range VIN+ − VIN− −VREF +VREF V Operating Input Voltage VIN+, VIN− to AGND −0.1 AVDD1 V Analog Input CMRR fIN = 100 kHz 55 dB Input Current 1.33 MSPS throughput 10 μA Input Impedance2 THROUGHPUT SPEED Complete Cycle 750 ns Throughput Rate 0 1.33 MSPS DC ACCURACY Integral Linearity Error3 VREF = 2.048 V, PDREF = high −2 ±1 +2 LSB4 No Missing Codes VREF = 2.048 V, PDREF = high 16 Bits Differential Linearity Error VREF = 2.048 V, PDREF = high −1 +2 LSB Transition Noise VREF = 2.5 V 0.70 LSB Transition Noise VREF = 2.048 V 0.82 LSB Zero Error, TMIN to TMAX5 −30 +30 LSB Zero Error Temperature Drift ±1 ppm/°C Gain Error, TMIN to TMAX5 −0.38 +0.38 % of FSR Gain Error Temperature Drift ±2 ppm/°C Power Supply Sensitivity AVDD = 2.5 V ± 5% ±2 LSB AC ACCURACY Dynamic Range fIN = 20 kHz 90 dB6 Signal-to-Noise fIN = 20 kHz 88 89.5 dB fIN = 20 kHz, VREF = 2.048 V 86 88 dB fIN = 100 kHz 89 dB Spurious-Free Dynamic Range fIN = 20 kHz 97 dB fIN = 100 kHz 96 dB Total Harmonic Distortion fIN = 20 kHz –97 dB fIN = 100 kHz −95 dB Signal-to-(Noise + Distortion) fIN = 20 kHz 87.5 88.5 dB fIN = 20 kHz, VREF = 2.048 V 87.5 dB fIN = 100 kHz 88 dB –3 dB Input Bandwidth 50 MHz SAMPLING DYNAMICS Aperture Delay 1 ns Aperture Jitter 5 ps rms Transient Response Full-scale step 50 ns INTERNAL REFERENCE PDREF = PDBUF = low Output Voltage REF @ 25°C 2.038 2.048 2.058 V Temperature Drift –40°C to +85°C ±7 ppm/°C Line Regulation AVDD = 2.5 V ± 5% ±15 ppm/V Turn-On Settling Time CREF = 10 μF 5 ms REFBUFIN Output Voltage REFBUFIN @ 25°C 1.2 V REFBUFIN Output Resistance 6.33 kΩ |
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