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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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AD7927 Fiches technique(PDF) 3 Page - Analog Devices |
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AD7927 Fiches technique(HTML) 3 Page - Analog Devices |
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3 / 28 page  Data Sheet AD7927 Rev. D | Page 3 of 28 SPECIFICATIONS AVDD = VDRIVE = 2.7 V to 5.25 V, REFIN = 2.5 V, fSCLK = 20 MHz; TA = TMIN to TMAX, unless otherwise noted. Table 1. Parameter B Version1 Unit Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 50 kHz sine wave, fSCLK = 20 MHz Signal-to-(Noise + Distortion) (SINAD)2 70 69.5 dB min dB min @ 5 V, B models @ 5 V, W models 69 dB min @ 3 V Typically 70 dB Signal-to-Noise Ratio (SNR)2 70 69.5 dB min dB min B models W models Total Harmonic Distortion (THD) 2 −77 dB max @ 5 V Typically −84 dB −73 dB max @ 3 V Typically −77 dB Peak Harmonic or Spurious Noise −78 dB max @ 5 V Typically −86 dB (SFDR) 2 −76 dB max @ 3 V Typically −80 dB Intermodulation Distortion (IMD)2 fA = 40.1 kHz, fB = 41.5 kHz Second-Order Terms −90 dB typ Third-Order Terms −90 dB typ Aperture Delay 10 ns typ Aperture Jitter 50 ps typ Channel-to-Channel Isolation2 −82 dB typ fIN = 400 kHz Full Power Bandwidth 8.2 MHz typ @ 3 dB 1.6 MHz typ @ 0.1 dB DC ACCURACY2 Resolution 12 Bits Integral Nonlinearity ±1 LSB max Differential Nonlinearity −0.9/+1.5 LSB max Guaranteed no missed codes to 12 bits 0 V to REFIN Input Range Straight binary output coding Offset Error ±8 LSB max Typically ±0.5 LSB Offset Error Match ±0.5 LSB max Gain Error ±1.5 LSB max Gain Error Match ±0.5 LSB max 0 V to 2 × REFIN Input Range −REFIN to +REFIN biased about REFIN with Positive Gain Error ±1.5 LSB max Twos complement output coding Positive Gain Error Match ±0.5 LSB max Zero Code Error ±8 LSB max Typically ±0.8 LSB Zero Code Error Match ±0.5 LSB max Negative Gain Error ±1 LSB max Negative Gain Error Match ±0.5 LSB max ANALOG INPUT Input Voltage Ranges 0 to REFIN V RANGE bit set to 1 0 to 2 × REFIN V RANGE bit set to 0, AVDD/VDRIVE = 4.75 V to 5.25 V DC Leakage Current ±1 μA max Input Capacitance 20 pF typ fSAMPLE = 200 kSPS REFERENCE INPUT REFIN Input Voltage 2.5 V ±1% specified performance DC Leakage Current ±1 μA max REFIN Input Impedance 36 kΩ typ LOGIC INPUTS Input High Voltage, VINH 0.7 × VDRIVE V min Input Low Voltage, VINL 0.3 × VDRIVE V max Input Current, IIN ±1 μA max Typically 10 nA, VIN = 0 V or VDRIVE Input Capacitance, CIN3 10 pF max |
Numéro de pièce similaire - AD7927_15 |
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Description similaire - AD7927_15 |
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