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AD7631BSTZ 数据表(PDF) 3 Page - Analog Devices |
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AD7631BSTZ 数据表(HTML) 3 Page - Analog Devices |
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3 / 32 page  AD7631 Rev. A | Page 3 of 32 SPECIFICATIONS AVDD = DVDD = 5 V; OVDD = 2.7 V to 5.5 V; VCC = 15 V; VEE = −15 V; VREF = 5 V; all specifications TMIN to TMAX, unless otherwise noted. Table 2. Parameter Conditions/Comments Min Typ Max Unit RESOLUTION 18 Bits ANALOG INPUTS Differential Voltage Range, VIN (VIN+) − (VIN−) 0 V to 5 V VIN = 10 V p-p −VREF +VREF V 0 V to 10 V VIN = 20 V p-p −2 VREF +2 VREF V ±5 V VIN = 20 V p-p −2 VREF +2 VREF V ±10 V VIN = 40 V p-p −4 VREF +4 VREF V Operating Voltage Range VIN+, VIN− to AGND 0 V to 5 V −0.1 +5.1 V 0 V to 10 V −0.1 +10.1 V ±5 V −5.1 +5.1 V ±10 V −10.1 +10.1 V Common-Mode Voltage Range VIN+, VIN− 5 V VREF/2 − 0.1 VREF/2 VREF/2 + 0.1 V 10 V VREF − 0.2 VREF VREF + 0.2 V Bipolar Ranges −0.1 0 +0.1 V Analog Input CMRR fIN = 100 kHz 75 dB Input Current 250 kSPS throughput 801 μA Input Impedance See Analog Inputs section THROUGHPUT SPEED Complete Cycle 4.0 μs Throughput Rate 250 kSPS DC ACCURACY Integral Linearity Error2 250 kSPS throughput −2.5 ±1.5 +2.5 LSB3 No Missing Codes 18 Bits Differential Linearity Error2 −1 +2.5 LSB Transition Noise 0.75 LSB Unipolar Zero Error −0.06 +0.06 %FS Bipolar Zero Error −0.03 +0.03 %FS Zero-Error Temperature Drift ±0.5 ppm/°C Bipolar Full-Scale Error −0.09 +0.09 %FS Unipolar Full-Scale Error −0.07 +0.07 %FS Full-Scale Error Temperature Drift ±0.5 ppm/°C Power Supply Sensitivity AVDD = 5 V ± 5% 3 LSB AC ACCURACY Dynamic Range VIN = 0 to 5 V, fIN = 2 kHz, −60 dB 100 101.8 dB4 VIN = all other input ranges, fIN = 2 kHz, −60 dB 100 102.5 dB Signal-to-Noise Ratio VIN = 0 to 5 V, fIN = 2 kHz 99.5 100.5 dB VIN = all other input ranges, fIN = 2 kHz 100 101 dB Signal-to-(Noise + Distortion), SINAD fIN = 2 kHz 100 dB Total Harmonic Distortion fIN = 2 kHz 112 dB Spurious-Free Dynamic Range fIN = 2 kHz 113 dB −3 dB Input Bandwidth VIN = 0 V to 5 V 45 MHz SAMPLING DYNAMICS Aperture Delay 2 ns Aperture Jitter 5 ps rms Transient Response Full-scale step 500 ns |
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