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AD7862AN-10 数据表(PDF) 2 Page - Analog Devices |
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AD7862AN-10 数据表(HTML) 2 Page - Analog Devices |
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2 / 16 page  –2– REV. 0 AD7862–SPECIFICATIONS AB S Parameter Version 1 Version Version Units Test Conditions/Comments SAMPLE AND HOLD –3 dB Small Signal Bandwidth 3 3 3 MHz typ Aperture Delay 20 20 20 ns typ Aperture Jitter 100 100 100 ps typ Aperture Delay Matching 200 200 200 ps typ DYNAMIC PERFORMANCE 2 fIN = 100.0 kHz, fS = 250 kSPS Signal to (Noise+Distortion) Ratio 3 @ +25 °C 70 71 70 dB min TMIN to TMAX 70 70 70 dB min Total Harmonic Distortion 3 –78 –78 –78 dB max Peak Harmonic or Spurious Noise 3 –85 –85 –85 dB typ Intermodulation Distortion 3 fa = 49 kHz, fb = 50 kHz 2nd Order Terms –85 –85 –85 dB typ 3rd Order Terms –85 –85 –85 dB typ Channel to Channel Isolation 3 –80 –80 –80 dB max fIN = 100 kHz Sine Wave DC ACCURACY Any Channel Resolution 12 12 12 Bits Minimum Resolution for which No Missing Codes are Guaranteed 12 12 12 Bits Relative Accuracy 3 ±1 ±1 ±1 LSB max Typically 0.4 LSB Differential Nonlinearity 3 ±1 ±1 ±1 LSB max Positive Gain Error 3 ±4 ±3 ±4 LSB max Positive Gain Error Match 3 4 3 4 LSB max AD7862-10 Negative Gain Error 3 ±4 ±3 ±4 LSB max Bipolar Zero Error ±4 ±3 ±4 LSB max Bipolar Zero Error Match 4 3 4 LSB max AD7862-3 Negative Gain Error 3 ±4 ±3 ±4 LSB max Bipolar Zero Error ±4 ±3 ±4 LSB max Bipolar Zero Error Match 4 3 4 LSB max AD7862-2 Unipolar Offset Error +4 +3 +4 LSB max Unipolar Offset Error Match 4 3.5 4 LSB max ANALOG INPUTS AD7862-10 Input Voltage Range ±10 ±10 ±10 Volts Input Input Resistance 24 24 24 k Ω min AD7862-3 Input Voltage Range ±2.5 ±2.5 ±2.5 Volts Input Input Resistance 6 6 6 k Ω min AD7862-2 Input Voltage Range +2.5 +2.5 +2.5 Volts Input Input Current 500 500 500 nA max REFERENCE INPUT/OUTPUT 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% REF IN Input Capacitance4 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 REF OUT Error TMIN to TMAX ±25 ±25 ±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 Input Capacitance, CIN 4 10 10 10 pF max (VDD = +5 V 5%, AGND = DGND = 0 V, REF = Internal. All Specifications TMIN to TMAX unless otherwise noted.) |
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