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AD7824KN Fiches technique(PDF) 2 Page - Analog Devices |
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AD7824KN Fiches technique(HTML) 2 Page - Analog Devices |
2 / 16 page REV. F –2– AD7824/AD7828–SPECIFICATIONS (V DD = 5 V, VREF (+) = 5 V, VREF (–) = GND = O V, unless otherwise noted. All specifications TMIN to TMAX, unless otherwise noted. Specifications apply to Mode 0.) Parameter K Version 1 L Version B, T Versions C, U Versions Unit Conditions/Comments ACCURACY Resolution 8 8 8 8 Bits Total Unadjusted Error 2 ±1 ±1/2 ±1 ±1/2 LSB max Minimum Resolution for which No Missing Codes Are Guaranteed 8 8 8 8 Bits Channel-to-Channel Mismatch ±1/4 ±1/4 ±1/4 ±1/4 LSB max REFERENCE INPUT Input Resistance 1.0/4.0 1.0/4.0 1.0/4.0 1.0/4.0 k Ω min/kΩ max VREF (+) Input Voltage Range VREF (–)/ VREF (–)/ VREF (–)/ VREF (–)/ V min/V max VDD VDD VDD VDD VREF (–) Input Voltage Range GND/ GND/ GND/ GND/ V min/V max VREF (+) VREF (+) VREF (+) VREF (+) ANALOG INPUT Input Voltage Range VREF (–)/ VREF (–)/ VREF (–)/ VREF (–)/ V min/V max VREF (+) VREF (+) VREF (+) VREF (+) Input Leakage Current ±3 ±3 ±3 ±3 µA max Analog Input Any Channel Input Capacitance 3 45 45 45 45 pF typ 0 V to 5 V LOGIC INPUTS RD, CS, A0, A1, and A2 VINH 2.4 2.4 2.4 2.4 V min VINL 0.8 0.8 0.8 0.8 V max IINH 11 1 1 µA max IINL –1 –1 –1 –1 µA max Input Capacitance 3 88 88 pF max Typically 5 pF LOGIC OUTPUTS DB0–DB7 and INT VOH 4.0 4.0 4.0 4.0 V min ISOURCE = 360 µA VOL 0.4 0.4 0.4 0.4 V max ISINK = 1.6 mA IOUT (DB0–DB7) ±3 ±3 ±3 ±3 µA max Floating State Leakage Output Capacitance 3 88 88 pF max Typically 5 pF RDY VOL 4 0.4 0.4 0.4 0.4 V max ISINK = 2.6 mA IOUT ±3 ±3 ±3 ±3 µA max Floating State Leakage Output Capacitance 8 8 8 8 pF max Typically 5 pF SLEW RATE, TRACKING 3 0.7 0.7 0.7 0.7 V/ µs typ 0.157 0.157 0.157 0.157 V/ µs max POWER SUPPLY VDD 55 5 5 V ±5% for Specified Performance IDD 5 16 16 20 20 mA max CS = RD = 2.4 V Power Dissipation 50 50 50 50 mW typ 80 80 100 100 mW max Power Supply Sensitivity ±1/4 ±1/4 ±1/4 ±1/4 LSB max ±1/16 LSB typ VDD = 5 V ± 5% NOTES 1Temperature ranges are as follows: K, L Versions: 0 °C to 70°C B, C Versions: –40 °C to +85°C T, U Versions: –55 °C to +125°C 2Total Unadjusted Error includes offset, full-scale and linearity errors. 3Sample tested at 25 °C by Product Assurance to ensure compliance. 4RDY is an open-drain output. 5See Typical Performance Characteristics. Specifications subject to change without notice. |
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