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AD7864AS-2 датащи(PDF) 2 Page - Analog Devices |
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AD7864AS-2 датащи(HTML) 2 Page - Analog Devices |
2 / 19 page –2– REV. A AD7864–SPECIFICATIONS (VDD = +5 V 5%, AGND = DGND = 0 V, VREF = Internal. Clock = Internal; all specifi- cations TMIN to TMAX unless otherwise noted.) Parameter A Version1 B Version Units Test Conditions/Comments SAMPLE AND HOLD –3 dB Full Power Bandwidth 3 3 MHz typ Aperture Delay 20 20 ns max Aperture Jitter 50 50 ps typ Aperture Delay Matching 4 4 ns max DYNAMIC PERFORMANCE2 fIN = 100.0 kHz, fS = 500 kSPS Signal to (Noise + Distortion) Ratio3 @ +25 °C 70 72 dB min TMIN to TMAX 70 70 dB min Total Harmonic Distortion3 –80 –80 dB max Peak Harmonic or Spurious Noise3 –80 –80 dB max Intermodulation Distortion3 fa = 49 kHz, fb = 50 kHz 2nd Order Terms –80 –80 dB typ 3rd Order Terms –80 –80 dB typ Channel-to-Channel Isolation3 –80 –80 dB max fIN = 50 kHz Sine Wave DC ACCURACY Any Channel Resolution 12 12 Bits Relative Accuracy 3 ±1 ±1/2 LSB max Differential Nonlinearity 3 ±0.9 ±0.9 LSB max No Missing Codes AD7864-1 Positive Gain Error 3 ±3 ±3LSB max Positive Gain Error Match 3 3 ±3LSB max Negative Gain Error 3 ±3 ±3LSB max Negative Gain Error Match 3 3 ±3LSB max Bipolar Zero Error ±4 ±3LSB max Bipolar Zero Error Match 2 ±2LSB max AD7864-3 Positive Gain Error 3 ±3LSB max Positive Gain Error Match 3 2LSB max Negative Gain Error 3 ±3LSB max Negative Gain Error Match 3 2LSB max Bipolar Zero Error ±3LSB max Bipolar Zero Error Match 2 LSB max AD7864-2 Positive Gain Error 3 ±3LSB max Positive Gain Error Match 3 3LSB max Unipolar Offset Error ±3LSB max Unipolar Offset Error Match 2 LSB max ANALOG INPUTS AD7864-1 Input Voltage Range ±5, ±10 ±5, ±10 Volts Input Resistance 9, 18 9, 18 k Ω min AD7864-3 Input Voltage Range ±2.5 ±2.5 Volts Input Resistance 4.5 4.5 k Ω min AD7864-2 Input Voltage Range +2.5, +5 +2.5, +5 Volts Input Current (0 V–2.5 V Option) ±100 ±100 nA max Input Resistance (0 V–5 V Option) 9 9 k Ω min REFERENCE INPUT/OUTPUT VREF IN Input Voltage Range 2.375/2.625 2.375/2.625 VMIN/VMAX 2.5 V ± 5% VREF IN Input Capacitance 4 10 10 pF max VREF OUT Output Voltage 2.5 2.5 V nom VREF OUT Error @ +25°C ±10 ±10 mV max VREF OUT Error TMIN to TMAX ±20 ±20 mV max VREF OUT Temperature Coefficient 25 25 ppm/ °C typ VREF OUT Output Impedance 6 6 k Ω typ See Reference Section |
Аналогичный номер детали - AD7864AS-2 |
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Аналогичное описание - AD7864AS-2 |
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