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AD7823YR Datasheet(PDF) 2 Page - Analog Devices |
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AD7823YR Datasheet(HTML) 2 Page - Analog Devices |
2 / 11 page –2– REV. C AD7823–SPECIFICATIONS Parameter Y Version Unit Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 30 kHz, fSAMPLE = 133 kHz Signal to (Noise + Distortion) Ratio 1, 2 48 dB min Total Harmonic Distortion 1 –70 dB typ Peak Harmonic or Spurious Noise 1 –70 dB typ Intermodulation Distortion 2 fa = 48 kHz, fb = 48.5 kHz 2nd Order Terms –77 dB typ 3rd Order Terms –77 dB typ DC ACCURACY Resolution 8 Bits Relative Accuracy 1 ±0.5 LSB max Differential Nonlinearity (DNL) 1 ±0.5 LSB max Gain Error 1 ±1LSB max Offset Error 1 ±1LSB max Total Unadjusted Error 1 ±1LSB max Minimum Resolution for Which No Missing Codes Are Guaranteed 8 Bits ANALOG INPUT Input Voltage Range 0 V min VREF V max Input Leakage Current2 ±1 µA max Input Capacitance 2 15 pF max REFERENCE INPUTS2 VREF Input Voltage Range 1.2 V min VDD V max Input Leakage Current ±1 µA max Input Capacitance 20 pF max LOGIC INPUTS 2 VINH, Input High Voltage 2.0 V min VINL, Input Low Voltage 0.4 V max 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 2.4 V min ISOURCE = 200 µA Output Low Voltage, VOL 0.4 V max ISINK = 200 µA High Impedance Leakage Current ±1 µA max High Impedance Capacitance 15 pF max CONVERSION RATE Conversion Time 4 µs typ Track/Hold Acquisition Time1 100 ns max See DC Acquisition Section POWER SUPPLY VDD 2.7–5.5 Volts For Specified Performance IDD 3.5 mA max Sampling at 133 kSPS and Logic Inputs @ VDD or 0 V. VDD = 5 V Power Dissipation 17.5 mW max Nominal Supplies Power-Down Mode IDD 1 µA max Power Dissipation 5 µW max Nominal Supplies Automatic Power Down VDD = 3 V 1 kSPS Throughput 54 µW max 10 kSPS Throughput 540 µW max 50 kSPS Throughput 2.7 mW max NOTES 1See Terminology. 2Sample tested during initial release and after any redesign or process change that may affect this parameter. Specifications subject to change without notice. (GND = 0 V, VREF = VDD. All specifications –40 C to +125 C unless otherwise noted.) |
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