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AD7896JR Folha de dados(PDF) 2 Page - Analog Devices |
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AD7896JR Folha de dados(HTML) 2 Page - Analog Devices |
2 / 12 page ABJ S Parameter Versions 1 Versions Version Version Units Test Conditions/Comments DYNAMIC PERFORMANCE 2 Signal to (Noise + Distortion) Ratio 3 @ +25 °C 70 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 –80 –80 typ –80 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 2nd Order Terms –80 –80 –80 typ –80 dB max 3rd 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 ±1 LSB max Differential Nonlinearity 3 ±1 ±1 ±1 ±1 LSB max Positive Full-Scale Error 3 ±3 ±1.5 ±3 ±3 LSB max Unipolar Offset Error ±4 ±4 ±5 ±4 LSB max VDD = 5 V ± 10% ±4 ±3 ±5 ±4 LSB max VDD = 2.7 V to 3.6 V ANALOG INPUT Input Voltage Range 0 to +VDD 0to+VDD 0to+VDD 0 to +VDD Volts 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 = 2 mA Output Low Voltage, VOL 0.4 0.4 0.4 0.4 V max ISINK = 2 mA Output Coding Straight (Natural) Binary CONVERSION RATE Conversion Time: Mode 1 Operation 8888.5 µs max Mode 2 Operation 5 14 14 14 14.5 µs max Track/Hold Acquisition Time 3 1.5 1.5 1.5 1.5 µs max POWER REQUIREMENTS VDD +2.7/+5.5 +2.7/+5.5 +2.7/+5.5 +2.7/+5.5 V min/max IDD 4444mA max Digital Input @ DGND, VDD = 2.7 V to 3.6 V 5555mA max Digital Inputs @ DGND, VDD = 5 V ± 10% Power Dissipation 10.8 10.8 10.8 10.8 mW max VDD = 2.7 V, Typically 9 mW Power-Down Mode Digital Inputs @ DGND IDD @ +25°C 555 µA typ 5 µA max VDD = 2.7 V to 3.6 V TMIN to TMAX 15 15 75 75 µA max VDD = 2.7 V to 3.6 V IDD @ +25°C 50505050 µA max VDD = 5 V ± 10% TMIN to TMAX 150 150 500 500 µA max VDD = 5 V ± 10% Power Dissipation @ +25 °C 13.5 13.5 13.5 13.5 µW max VDD = 2.7 V NOTES 1Temperature ranges are as follows: A, B Versions: –40 °C to +85°C; J Version: 0°C to +70°C; S Version: –55°C to +125°C. 2Applies to Mode 1 operation. See section on operating modes. 3See Terminology. 4Sample tested @ +25 °C to ensure compliance. 5This 14 µs includes the “wake-up” time from standby. This “wake-up” time is timed from the rising edge of CONVST, whereas conversion is timed from the falling edge of CONVST, for narrow CONVST pulse width the conversion time is effectively the “wake-up” time plus conversion time hence 14 µs. This can be seen from Figure 3. Note that if the CONVST pulse width is greater than 6 µs then the effective conversion time will increase beyond 14 µs. Specifications subject to change without notice. REV. B –2– (VDD = +2.7 V to +5.5 V, AGND = DGND = 0 V. All specifications TMIN to TMAX unless otherwise noted) AD7896–SPECIFICATIONS |
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