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AD7896 数据表(PDF) 2 Page - Analog Devices |
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AD7896 数据表(HTML) 2 Page - Analog Devices |
2 / 15 page –2– AD7896–SPECIFICATIONS (VDD = 2.7 V to 5.5 V, AGND = DGND = 0 V. All specifications TMIN to TMAX, unless otherwise noted.) Test Conditions/ Parameter A Version 1 B Version J Version S Version Unit Comments DYNAMIC PERFORMANCE 2 Signal-to-(Noise + Distortion) Ratio 3 @ 25 °C70 70 70 typ 70 dB min fIN = 10 kHz Sine Wave, fSAMPLE = 100 kHz TMIN to TMAX 70 dB min Total Harmonic Distortion (THD) 3 – – –80 typ – dB max fIN = 10 kHz Sine Wave, fSAMPLE = 100 kHz Peak Harmonic or Spurious Noise 3 –80 –80 –80 typ dB max fIN = 10 kHz Sine Wave, fSAMPLE = 100 kHz Intermodulation Distortion (IMD) 3 fa = 9 kHz, fb = 9.5 kHz, fSAMPLE = 100 kHz Second Order Terms – – –80 typ – dB max Third Order Terms –80 –80 –80 typ –80 dB max DC ACCURACY Resolution 12 12 12 12 Bits Minimum Resolution for Which No Missing Codes Are Guaranteed 12 12 12 12 Bits Relative Accuracy 3 ±1 ±1/2 ±1 ±1LSB max Differential Nonlinearity 3 ±1 ±1 ±1 ±1LSB max Positive Full-Scale Error 3 ±3 ±1.5 ±3 ±3LSB max Unipolar Offset Error ±4 ±4 ±5 ±4LSB max V DD = 5 V ± 10% ±4 ±3 ±5 ±4LSB max V DD = 2.7 V to 3.6 V ANALOG INPUT Input Voltage Range 0 to +VDD 0to +VDD 0to +VDD 0 to +VDD V Input Current ±2 ±2 ±2 ±5 µA max LOGIC INPUTS Input High Voltage, VINH 2.0 2.0 2.0 2.0 V min VDD = 2.7 V to 3.6 V 2.4 2.4 2.4 2.4 VDD = 5 V ± 10% Input Low Voltage, VINL 0.8 0.8 0.8 0.8 V max Input Current, IIN ±10 ±10 ±10 ±10 µA max VIN = 0 V to VDD Input Capacitance, CIN 4 10 10 10 10 pF max LOGIC OUTPUTS Output High Voltage, VOH 2.4 2.4 2.4 2.4 V min ISOURCE = 400 A Output Low Voltage, VOL 0.4 0.4 0.4 0.4 V max ISINK = 1.6 mA Output Coding Straight (Natural) Binary CONVERSION RATE Conversion Time Mode 1 Operation 8 8 8 8.5 µs max Mode 2 Operation 5 14 14 14 14.5 µs max Track-and-Hold Acquisition Time 3 1.5 1.5 1.5 1.5 µs max Rev. D 77 77 77 77 77 77 |
类似零件编号 - AD7896_15 |
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类似说明 - AD7896_15 |
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