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AD7819YN Datasheet(PDF) 2 Page - Analog Devices |
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AD7819YN Datasheet(HTML) 2 Page - Analog Devices |
2 / 11 page REV. B –2– AD7819–SPECIFICATIONS1 (GND = 0 V, VREF = VDD = 3 V 10% to 5 V 10%. All specifications –40 C to +125 C unless otherwise noted.) Parameter Y Version Unit Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 30 kHz, fSAMPLE = 136 kHz Signal to (Noise + Distortion) Ratio 1 48 dB min Total Harmonic Distortion (THD) 1 –70 dB typ Peak Harmonic or Spurious Noise 1 –70 dB typ Intermodulation Distortion 2 fa = 29.1 kHz; fb = 29.8 kHz 2nd Order Terms –77 dB typ 3rd Order Terms –77 dB typ DC ACCURACY Resolution 8 Bits Minimum Resolution for Which No Missing Codes Are Guaranteed 8 Bits Relative Accuracy 1 ±0.5 LSB max Differential Nonlinearity (DNL) 1 ±0.5 LSB max Total Unadjusted Error 1 ±1 LSB max Gain Error 1 ±0.5 LSB max Offset Error 1 ±0.5 LSB max ANALOG INPUT Input Voltage Range 0 V min VREF V max Input Leakage Current 2 ±1 µA max Input Capacitance2 15 pF mx REFERENCE INPUTS 2 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 (0.8 V max, VDD = 5 V) 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 4.5 µs max Track/Hold Acquisition Time 1 100 ns max See DC Acquisition Section POWER SUPPLY VDD 2.7–5.5 Volts For Specified Performance IDD Digital Inputs = 0 V or VDD Normal Operation 3.5 mA max Power-Down 1 µA max VDD = 5 V Power Dissipation Normal Operation 17.5 mW max VDD = 5 V Power-Down 5 µW max Auto Power-Down (Mode 2) VDD = 3 V 1 kSPS Throughput 57.75 µW max 10 kSPS Throughput 577.5 µW max 50 kSPS Throughput 2.89 mW max NOTES 1See Terminology section. 2Sample tested during initial release and after any redesign or process change that may affect this parameter. Specifications subject to change without notice. |
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