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AD5380 데이터시트(PDF) 2 Page - Analog Devices |
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AD5380 데이터시트(HTML) 2 Page - Analog Devices |
2 / 34 page PRELIMINARY TECHNICAL DATA REV. PrF 09/2003 –2– Parameter AD5380-5 1 Units Test Conditions/Comments ACCURACY Resolution 1 4 Bits Relative Accuracy 3 ± 4 LSB max Differential Nonlinearity -1/+2 LSB max Guaranteed Monotonic Over Temp Zero-Scale Error ± 1 0 mV max Offset Error ± 1 0 mV max Measured at code 32 in the linear region Offset Error TC ± 5 uV/°C typ Gain Error ±0.02 % FSR max Gain Temperature Coefficient 2 2 0 ppm FSR/°C typ DC Crosstalk 2 0 . 5 LSBmax REFERENCEINPUT/OUTPUT REFERENCE INPUT 2 Reference Input Voltage 2 . 5 V ±1% for Specified Performance DC Input Impedance 1 M Ω min Typically 100 M Ω Input Current ± 1 0 µA max Typically ±30 nA Reference Range 1/VDD/2 V min/max REFERENCE OUTPUT 4 Output Voltage 2.495/2.505 V min/max At Ambient 1.248/1.252 V min/max Reference TC ± 1 0 ppm/°C typ OUTPUT CHARACTERISTICS 2 Output Voltage Range 3 0/AVDD V min/max Short Circuit Current 4 0 mA max Load Current ± 1 mA max Capacitive Load Stability RL= ∞ 2 0 0 pF max RL=5kΩ T B D pF max DC Output Impedance 0 . 5 Ω max MONITOR PIN Output Impedance 5 0 0 Ω typ Tristate Leakage Current 1 0 0 nA typ LOGIC INPUTS (EXCEPT SDA/SCL) 2 DVDD = 2.7 V to 5.5 V VIH, Input High Voltage 2 V min VIL, Input Low Voltage 0 . 8 V max Input Current ± 1 0 µA max Total for All Pins. TA=TMIN to TMAX Pin Capacitance 1 0 pF max LOGIC INPUTS (SCL, SDA ONLY) VIH, Input High Voltage 0.7 DVDD V min SMBus-Compatible at DVDD < 3.6 V VIL, Input Low Voltage 0.3 DVDD V max SMBus-Compatible at DVDD < 3.6 V IIN, Input Leakage Current ±1 µ A VHYST, Input Hysteresis 0.05 DVDD V CIN, Input Capacitance 8 pF Glitch Rejection 5 0 ns Input filtering suppresses noise spikes of less than 50 ns. LOGIC OUTPUTS ( BUSY,SDO)2 VOL, Output Low Voltage 0 . 4 V max DVDD= 5V ± 10%, Sinking 200µA VOH, Output High Voltage DV DD-1 V min DVDD= 5V ± 10%, Sourcing 200 µ A VOL, Output Low Voltage 0 . 4 V max DVDD= 2.7V to 3.6V, Sinking 200 µ A VOH, Output High Voltage DVDD-0.5 V min DVDD= 2.7V to 3.6V, Sourcing 200 µ A High Impedance Leakage Current ± 1 µA max SDO Only High Impedance Output Capacitance 5 pF typ SDO Only LOGIC OUTPUT (SDA) 2 VOL, Output Low Voltage 0.4 V max ISINK = 3 mA 0.6 V max ISINK = 6 mA Three-State Leakage Current ±1 µ A Three-State Output Capacitance 8 pF AD5380-5–SPECIFICATIONS (AVDD = 4.5V to 5.5V ; DVDD=2.7V to 5.5V, AGND=DGND = 0 V; CL = 200 pF to AGND; RL = 5k Ω Ω Ω Ω Ω ; External REFIN=2.5V; All specifications T MIN to TMAX unless otherwise noted.) |
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