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AD7812YR Folha de dados(PDF) 2 Page - Analog Devices |
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AD7812YR Folha de dados(HTML) 2 Page - Analog Devices |
2 / 19 page –2– REV. B AD7811/AD7812–SPECIFICATIONS Parameter Y Version Unit Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 30 kHz Any Channel, fSAMPLE = 350 kHz Signal to (Noise + Distortion) Ratio 1 58 dB min VREF Internal or External Total Harmonic Distortion (THD) 1 –66 dB max Peak Harmonic or Spurious Noise 1 –80 dB typ Intermodulation Distortion 1, 2 fa = 29 kHz, fb = 30 kHz Second Order Terms –67 dB max Third Order Terms –67 dB max Channel-to-Channel Isolation 1, 2 –80 dB typ fIN = 20 kHz DC ACCURACY Any Channel Resolution 10 Bits Minimum Resolution for Which No Missing Codes are Guaranteed 10 Bits Relative Accuracy 1 ±1 LSB max Differential Nonlinearity 1 ±1 LSB max Gain Error 1 ±2 LSB max Gain Error Match 1 ±0.75 LSB max Offset Error 1 ±2 LSB max Offset Error Match 1 ±0.75 LSB max ANALOG INPUT Input Voltage Range 0 V min VREF V max Input Leakage Current2 ±1 µA max Input Capacitance 2 20 pF max REFERENCE INPUTS 2 VREF Input Voltage Range 1.2 V min VDD V max Input Leakage Current ±3 µA max Input Capacitance 20 pF max ON-CHIP REFERENCE Nominal 2.5 V Reference Error ±2.5 % max Temperature Coefficient 50 ppm/ °C typ LOGIC INPUTS 2 VINH, Input High Voltage 2.4 V min VDD = 5 V ± 10% VINL, Input Low Voltage 0.8 V max VDD = 5 V ± 10% VINH, Input High Voltage 2 V min VDD = 3 V ± 10% VINL, Input Low Voltage 0.4 V max VDD = 3 V ± 10% Input Current, IIN ±1 µA max Typically 10 nA, VIN = 0 V to VDD Input Capacitance, CIN 8 pF max LOGIC OUTPUTS Output High Voltage, VOH ISOURCE = 200 µA 4V min VDD = 5 V ± 10% 2.4 V min VDD = 3 V ± 10% Output Low Voltage, VOL ISINK = 200 µA 0.4 V max High Impedance Leakage Current ±1 µA max High Impedance Capacitance 15 pF max CONVERSION RATE Conversion time 2.3 µs max Track/Hold Acquisition Time 1 200 ns max (VDD = 2.7 V to 3.6 V, VDD = 5 V 10%, GND = 0 V, VREF = VDD [EXT]. All specifications –40 C to +105 C unless otherwise noted.) |
Nº de peça semelhante - AD7812YR |
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Descrição semelhante - AD7812YR |
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