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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD7622BSTZ датащи(PDF) 4 Page - Analog Devices |
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AD7622BSTZ датащи(HTML) 4 Page - Analog Devices |
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4 / 29 page  AD7622 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 58 dB Input Current 2 MSPS throughput 3.5 μA Input Impedance2 THROUGHPUT SPEED Complete Cycle Wideband warp, warp modes 500 ns Throughput Rate Wideband warp, warp modes 0.001 2 MSPS Time Between Conversions Wideband warp, warp modes 1 ms Complete Cycle Normal mode 667 ns Throughput Rate Normal mode 0 1.5 MSPS DC ACCURACY Integral Linearity Error3 TMIN to TMAX = −40°C to +85°C −1.5 ±0.5 +1.5 LSB4 No Missing Codes 16 Bits Differential Linearity Error −1 +1.25 LSB Transition Noise VREF = 2.5 V 0.5 LSB Transition Noise VREF = 2.048 V 0.6 LSB Zero Error, TMIN to TMAX5 −10 +10 LSB Zero Error Temperature Drift ±0.5 ppm/°C Gain Error, TMIN to TMAX5 −8 +8 LSB Gain Error Temperature Drift ±0.5 ppm/°C Power Supply Sensitivity AVDD = 2.5 V ± 5% ±4 LSB AC ACCURACY Dynamic Range VREF = 2.5 V 91.5 92.5 dB6 Signal-to-Noise fIN = 20 kHz, VREF = 2.5 V 91 92 dB fIN = 20 kHz, VREF = 2.048 V 89.5 90.5 dB fIN = 100 kHz, VREF = 2.5 V 91 dB Spurious-Free Dynamic Range fIN = 20 kHz, VREF = 2.5 V 117 dB fIN = 20 kHz, VREF = 2.048 V 110 dB fIN = 100 kHz, VREF = 2.5 V 101 dB Total Harmonic Distortion fIN = 20 kHz, VREF = 2.5 V −115 dB fIN = 20 kHz, VREF = 2.048 V −109 dB fIN = 100 kHz, VREF = 2.5 V −100 dB Signal-to-(Noise + Distortion) fIN = 20 kHz, VREF = 2.5 V 91 92 dB fIN = 20 kHz, VREF = 2.048 V 89.5 90.5 dB fIN = 100 kHz, VREF = 2.5 V 91 dB −3 dB Input Bandwidth 50 MHz SAMPLING DYNAMICS Aperture Delay 1 ns Aperture Jitter 5 ps rms Transient Response Full-scale step 140 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 ±8 ppm/°C Line Regulation AVDD = 2.5 V ± 5% ±15 ppm/V Turn-On Settling Time CREF = 10 μF 5 ms |
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