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AD7890AN-10 датащи(PDF) 2 Page - Analog Devices |
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AD7890AN-10 датащи(HTML) 2 Page - Analog Devices |
2 / 20 page REV. 0 –2– AD7890–SPECIFICATIONS Parameter A Versions 1 B Versions S Version Units Test Conditions/Comments DYNAMIC PERFORMANCE Using External CONVST. Any Channel Signal to (Noise + Distortion) Ratio 2 70 70 70 dB min fIN = 10 kHz Sine Wave, fSAMPLE = 100 kHz 3 Total Harmonic Distortion (THD) 2 –78 –78 –78 dB max fIN = 10 kHz Sine Wave, fSAMPLE = 100 kHz 3 Peak Harmonic or Spurious Noise 2 –79 –79 –79 dB max fIN = 10 kHz Sine Wave, fSAMPLE = 100 kHz 3 Intermodulation Distortion fa = 9 kHz, fb = 9.5 kHz, fSAMPLE = 100 kHz 3 2nd Order Terms –80 –80 –80 dB typ 3rd Order Terms –80 –80 –80 dB typ Channel-to-Channel Isolation 2 –80 –80 –80 dB max fIN = 1 kHz Sine Wave DC ACCURACY Resolution 12 12 12 Bits Minimum Resolution for Which No Missing Codes Are Guaranteed 12 12 12 Bits Relative Accuracy 2 ±1 ±0.5 ±1 LSB max Differential Nonlinearity 2 ±1 ±1 ±1 LSB max Positive Full-Scale Error 2 ±2.5 ±2.5 ±2.5 LSB max Full-Scale Error Match 4 2 2 2 LSB max AD7890-2, AD7890-4 Unipolar Offset Error 2 ±2 ±2 ±2 LSB max Unipolar Offset Error Match 2 2 2 LSB max AD7890-10 Only Negative Full-Scale Error 2 ±2 ±2 ±2 LSB max Bipolar Zero Error 2 ±4 ±4 ±4 LSB max Bipolar Zero Error Match 2 2 2 LSB max ANALOG INPUTS AD7890-10 Input Voltage Range ±10 ±10 ±10 Volts Input Resistance 20 20 20 k Ω min AD7890-4 Input Voltage Range 0 to +4.096 0 to +4.096 0 to +4.096 Volts Input Resistance 11 11 11 k Ω min AD7890-2 Input Voltage Range 0 to +2.5 0 to +2.5 0 to +2.5 Volts Input Current 50 50 200 nA max MUX OUT OUTPUT Output Voltage Range 0 to +2.5 0 to +2.5 0 to +2.5 Volts Output Resistance (AD7890-10, AD7890-4) 3/5 3/5 3/5 k Ω min/kΩ max (AD7890-2) 2 2 2 k Ω max Assuming VIN Is Driven from Low Impedance SHA IN INPUT Input Voltage Range 0 to +2.5 0 to +2.5 0 to +2.5 Volts Input Current ±50 ±50 ±50 nA max REFERENCE OUTPUT/INPUT REF IN Input Voltage Range 2.375/2.625 2.375/2.625 2.375/2.625 V min/V max 2.5 V ± 5% Input Impedance 1.6 1.6 1.6 k Ω min Resistor Connected to Internal Reference Node Input Capacitance 5 10 10 10 pF max REF OUT Output Voltage 2.5 2.5 2.5 V nom REF OUT Error @ +25 °C ±10 ±10 ±10 mV max TMIN to TMAX ±20 ±20 ±25 mV max REF OUT Temperature Coefficient 25 25 25 ppm/ °C typ REF OUT Output Impedance 2 2 2 k Ω nom LOGIC INPUTS Input High Voltage, VINH 2.4 2.4 2.4 V min VDD = 5 V ± 5% Input Low Voltage, VINL 0.8 0.8 0.8 V max VDD = 5 V ± 5% Input Current, IIN ±10 ±10 ±10 µA max VIN = 0 V to VDD Input Capacitance, CIN 5 10 10 10 pF max (VDD = +5 V, AGND = DGND = 0 V, REF IN = +2.5 V, fCLK IN = 2.5 MHz external, MUX OUT connect to SHA IN. All specifications TMIN to TMAX unless otherwise noted.) |
Аналогичный номер детали - AD7890AN-10 |
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Аналогичное описание - AD7890AN-10 |
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