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AD5303 データシート(PDF) 2 Page - Analog Devices |
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AD5303 データシート(HTML) 2 Page - Analog Devices |
2 / 18 page REV. 0 –2– AD5303/AD5313/AD5323–SPECIFICATIONS (VDD = +2.5 V to +5.5 V; VREF = +2 V; RL = 2 k to GND; CL = 200 pF to GND; all specifications TMIN to TMAX unless otherwise noted.) B Version 2 Parameter 1 Min Typ Max Units Conditions/Comments DC PERFORMANCE 3, 4 AD5303 Resolution 8 Bits Relative Accuracy ±0.15 ±1 LSB Differential Nonlinearity ±0.02 ±0.25 LSB Guaranteed Monotonic by Design Over All Codes AD5313 Resolution 10 Bits Relative Accuracy ±0.5 ±3 LSB Differential Nonlinearity ±0.05 ±0.5 LSB Guaranteed Monotonic by Design Over All Codes AD5323 Resolution 12 Bits Relative Accuracy ±2 ±12 LSB Differential Nonlinearity ±0.2 ±1 LSB Guaranteed Monotonic by Design Over All Codes Offset Error ±0.4 ±3 % of FSR See Figures 3 and 4 Gain Error ±0.15 ±1 % of FSR See Figures 3 and 4 Lower Deadband 10 60 mV See Figures 3 and 4 Offset Error Drift5 –12 ppm of FSR/ °C Gain Error Drift 5 –5 ppm of FSR/ °C Power Supply Rejection Ratio 5 –60 dB ∆VDD = ±10% DC Crosstalk 5 30 µV DAC REFERENCE INPUTS 5 VREF Input Range 1 VDD V Buffered Reference Mode 0VDD V Unbuffered Reference Mode VREF Input Impedance >10 M Ω Buffered Reference Mode 180 k Ω Unbuffered Reference Mode. 0–VREF Output Range, Input Impedance = RDAC 90 k Ω Unbuffered Reference Mode. 0–2 VREF Output Range, Input Impedance = RDAC Reference Feedthrough –90 dB Frequency = 10 kHz Channel-to-Channel Isolation –80 dB Frequency = 10 kHz OUTPUT CHARACTERISTICS 5 Minimum Output Voltage 6 0.001 V mi n This is a measure of the minimum and maximum Maximum Output Voltage 6 VDD – 0.001 V max drive capability of the output amplifier. DC Output Impedance 0.5 Ω Short Circuit Current 50 mA VDD = +5 V 20 mA VDD = +3 V Power-Up Time 2.5 µs Coming Out of Power-Down Mode. VDD = +5 V 5 µs Coming Out of Power-Down Mode. VDD = +3 V LOGIC INPUTS 5 Input Current ±1 µA VIL, Input Low Voltage 0.8 V VDD = +5 V ± 10% 0.6 V VDD = +3 V ± 10% 0.5 V VDD = +2.5 V VIH, Input High Voltage 2.4 V VDD = +5 V ± 10% 2.1 V VDD = +3 V ± 10% 2.0 V VDD = +2.5 V Pin Capacitance 2 3.5 pF LOGIC OUTPUT (SDO) 5 VDD = +5 V ± 10% Output Low Voltage 0.4 V ISINK = 2 mA Output High Voltage 4.0 V ISOURCE = 2 mA VDD = +3 V ± 10% Output Low Voltage 0.4 V ISINK = 2 mA Output High Voltage 2.4 V ISOURCE = 2 mA Floating-State Leakage Current 1 µA DCEN = GND Floating State O/P Capacitance 3 pF DCEN = GND POWER REQUIREMENTS VDD 2.5 5.5 V IDD Specification Is Valid for All DAC Codes IDD (Normal Mode) Both DACs Active and Excluding Load Currents VDD = +4.5 V to +5.5 V 300 450 µA Both DACs in Unbuffered Mode. VIH = VDD and VDD = +2.5 V to +3.6 V 230 350 µAVIL = GND. In Buffered Mode, extra current is typically x µA per DAC where x = 5 µA + V REF/RDAC. IDD (Full Power-Down) VDD = +4.5 V to +5.5 V 0.2 1 µA VDD = +2.5 V to +3.6 V 0.05 1 µA |
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同様の説明 - AD5303 |
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