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AD7666 Arkusz danych(PDF) 4 Page - Analog Devices |
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AD7666 Arkusz danych(HTML) 4 Page - Analog Devices |
4 / 29 page AD7666 Rev. 0 | Page 3 of 28 SPECIFICATIONS Table 2. –40°C to +85°C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted Parameter Conditions Min Typ Max Unit RESOLUTION 16 Bits ANALOG INPUT Voltage Range VIN – VINGND 0 VREF V Operating Input Voltage VIN –0.1 +3 V VINGND –0.1 +0.5 V Analog Input CMRR fIN = 10 kHz 65 dB Input Current 500 kSPS Throughput 7.7 µA Input Impedance1 THROUGHPUT SPEED Complete Cycle 2 µs Throughput Rate 0 500 kSPS DC ACCURACY Integral Linearity Error –2.0 +2.0 LSB2 No Missing Codes 16 Bits Differential Linearity Error –1.0 +1.5 LSB Transition Noise 0.7 LSB Unipolar Zero Error, TMIN to TMAX3 ±5 LSB Unipolar Zero Error Temperature Drift ±0.5 ppm/°C Full-Scale Error, TMIN to TMAX 3 REF = 2.5 V ±0.08 % of FSR Full-Scale Error Temperature Drift ±1.4 ppm/°C Power Supply Sensitivity AVDD = 5 V ± 5% ±2 LSB AC ACCURACY Signal-to-Noise fIN = 20 kHz 88 89.2 dB4 Spurious Free Dynamic Range fIN = 20 kHz 96 107 dB Total Harmonic Distortion fIN = 20 kHz –106 –96 dB Signal-to-(Noise + Distortion) fIN = 20 kHz 88 89.1 dB –60 dB Input, fIN = 20 kHz 30 dB –3 dB Input Bandwidth 12 MHz SAMPLING DYNAMICS Aperture Delay 2 ns Aperture Jitter 5 ps rms Transient Response Full-Scale Step 750 ns REFERENCE Internal Reference Voltage VREF @ 25°C 2.493 2.5 2.507 V Internal Reference Temperature Drift –40°C to +85°C ±3 ±15 ppm/°C Output Voltage Hysteresis –40°C to +85°C 50 ppm Long Term Drift 100 ppm/1000 Hours Line Regulation AVDD = 5 V ± 5% ±15 ppm/V Turn-On Settling Time CREF = 10 µF 5 ms Temperature Pin Voltage Output @ 25°C 300 mV Temperature Sensitivity 1 mV/°C Output Resistance 4 kΩ External Reference Voltage Range 2.3 2.5 AVDD – 1.85 V External Reference Current Drain 500 kSPS Throughput 120 µA |
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