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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADAQ23876BBCZ датащи(PDF) 3 Page - Analog Devices |
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ADAQ23876BBCZ датащи(HTML) 3 Page - Analog Devices |
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3 / 37 page  Data Sheet ADAQ23876 SPECIFICATIONS analog.com Rev. 0 | 3 of 37 VDD = 5 V ± 5%, VS+ = 5 V ± 5%, VS− = −1 V ± 5%, VS− = 0 V (95% of VIN), VIO = 2.375 V to 2.625 V, REFBUF = 4.096 V, sampling frequency (fS) = 15 MSPS, gain = 0.37, 0.73, 0.87, 1.38, and 2.25, and all specifications TMIN to TMAX, unless otherwise noted. For all gain values, limit the differential input range, VIN, to 95% to allow enough footroom for the ADC driver with VS− = 0 V to achieve the specified performance. Table 1. Parameter Test Conditions/Comments Min Typ Max Unit1 RESOLUTION 16 Bits ANALOG INPUT IMPEDANCE, ZIN IN1+, IN1−, IN2+, IN2−, SJ+, and SJ− single-ended to differential configuration Gain = 0.37 (resistor feedback (RF) = 1375 Ω || 1000 Ω), VIN = 20 V p-p 1816 Ω Gain = 0.73 (RF = 1571 Ω2 || 1375 Ω), VIN = 10 V p-p 1268 Ω Gain = 0.87, VIN = 8.1912 V p-p 2050 Ω Gain = 1.38, VIN = 5 V p-p 1407 Ω Gain = 2.25 (RF = 1571 Ω || 1000 Ω), VIN = 3 V p-p 935 Ω Fully differential configuration Gain = 0.37 (RF = 1375 Ω || 1000 Ω), VIN = 20 V p-p 3143 Ω Gain = 0.73 (RF = 1571 Ω || 1375 Ω), VIN = 10 V p-p 2000 Ω Gain = 0.87, VIN = 8.1912 V p-p 3143 Ω Gain = 1.38, VIN = 5 V p-p 2000 Ω Gain = 2.25 (RF = 1571 Ω || 1000 Ω), VIN = 3 V p-p 1222 Ω Input Capacitance IN1+, IN1− 3.3 pF Differential Input Voltage Range, VIN3 Gain = 0.37, VIN = 22.141 V p-p −11 +11 V Gain = 0.73, VIN = 11.222 V p-p −5.6 +5.6 V Gain = 0.87, VIN = 9.416 V p-p −4.7 +4.7 V Gain = 1.38, VIN = 5.936 V p-p −2.9 +2.9 V Gain = 2.25, VIN = 3.64 V p-p −1.8 +1.8 V THROUGHPUT Complete Cycle 66.6 ns Conversion Time 54 58 63 ns Acquisition Phase4 Time between conversions (tCYC) − 39 ns Throughput Rate5 0.02 15 MSPS Transient Response6 Full-scale step 52 ns DC ACCURACY Single-ended and differential configuration No Missing Codes 16 Bits Integral Nonlinearity (INL) Error Gain = 0.37 single-ended −2.0 −1.6, +0.3 +0.4 LSB −25 −20, +3.75 +5 ppm Gain = 0.37 differential −1.0 ±0.4 +1.0 LSB −12.5 ±5 +12.5 ppm Gain = 0.73, gain = 0.87, gain = 1.38, and gain = 2.25 −1.2 ±0.6 +1.2 LSB −15 ±7.5 +15 ppm Differential Nonlinearity (DNL) Error All gains −0.9 ±0.4 +0.9 LSB −11.25 ±5 +11.25 ppm Transition Noise 0.73 LSBRMS Gain Error All gains −0.025 ±0.005 +0.025 %FS Gain Error Drift −0.46 ±0.11 +0.46 ppm/°C |
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