Datasheet AD7813 (Analog Devices) - 3

AD7813–SPECIFICATIONS1 (GND = 0 V, VREF = VDD = 3 V 10% to 5 V 10%. All specifications –40 C to +105 C unless otherwise noted.) Parameter Y Version Unit Test Conditions/Comments
DYNAMIC PERFORMANCE fIN = 30 kHz, fSAMPLE = 350 kHz Signal to (Noise + Distortion) Ratio1 58 dB min Total Harmonic Distortion (THD)1 –66 dB max Peak Harmonic or Spurious Noise1 –66 dB max Intermodulation Distortion2 fa = 29.1 kHz, fb = 29.8 kHz 2nd Order Terms –67 dB typ 3rd Order Terms –67 dB typ DC ACCURACY Resolution 10 Bits Minimum Resolution for Which No Missing Codes Are Guaranteed 10 Bits Relative Accuracy1 ±1 LSB max Differential Nonlinearity (DNL)1 ±1 LSB max Gain Error1 ±2 LSB max Offset Error1 ±2.0 LSB max ANALOG INPUT Input Voltage Range 0 V min VREF V max Input Leakage Current2 ±1 µA max Input Capacitance2 20 pF max REFERENCE INPUTS2 VREF Input Voltage Range 1.2 V min VDD V max Input Leakage Current ±3 µA max Input Capacitance 15 pF max LOGIC INPUTS2 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, I ± IN 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 2.3 µs max Track/Hold Acquisition Time1 100 ns max 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 VDD = 3 V 1 kSPS Throughput 34.6 µW max 10 kSPS Throughput 346.5 µW max 100 kSPS Throughput 3.46 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. –2– REV. C