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AD5680BRJZ-2REEL7 Scheda tecnica(PDF) 3 Page - Analog Devices |
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AD5680BRJZ-2REEL7 Scheda tecnica(HTML) 3 Page - Analog Devices |
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3 / 20 page  AD5680 Rev. 0 | Page 3 of 20 SPECIFICATIONS VDD = 4.5 V to 5.5 V; RL = 2 kΩ to GND; CL = 200 pF to GND; VREF = VDD; all specifications TMIN to TMAX, unless otherwise noted. Table 1. B Grade B Version1 Parameter Min Typ Max Unit Conditions/Comments STATIC PERFORMANCE2 Resolution 18 Bits Relative Accuracy ±32 ±64 LSB Differential Nonlinearity3 ±1 LSB Measured in 50 Hz system bandwidth ±2 LSB Measured in 300 Hz system bandwidth Zero-Code Error 2 10 mV All 0s loaded to DAC register Full-Scale Error −0.2 −1 % FSR All 1s loaded to DAC register Offset Error ±10 mV Gain Error ±1.5 % FSR Zero-Code Error Drift ±2 μV/°C Gain Temperature Coefficient ±2.5 ppm Of FSR/°C DC Power Supply Rejection Ratio −100 dB DAC code = midscale; VDD = 5 V ± 10% OUTPUT CHARACTERISTICS3 Output Voltage Range 0 VDD V Output Voltage Settling Time 80 85 μs ¼ to ¾ scale change settling to ±8 LSB RL = 2 kΩ; 0 pF < CL < 200 pF Slew Rate 1.5 V/μs ¼ to ¾ scale Capacitive Load Stability 2 nF RL = ∞ 10 nF RL = 2 kΩ Output Noise Spectral Density4 80 nV/√Hz DAC code = midscale, 10 kHz Output Noise (0.1 Hz to 10 Hz)4 25 μV p-p DAC code = midscale Total Harmonic Distortion (THD)4 −80 dB VREF = 2 V ± 300 mV p-p, f = 200 Hz Digital-to-Analog Glitch Impulse 5 nV-s 1 LSB change around major carry Digital Feedthrough 0.2 nV-s DC Output Impedance 0.5 Ω Short-Circuit Current4 30 mA VDD = 5 V REFERENCE INPUT Reference Current 40 75 μA VREF = VDD = 5 V Reference Input Range5 0.75 VDD V Reference Input Impedance 125 kΩ LOGIC INPUTS Input Current ±2 μA All digital inputs VINL, Input Low Voltage 0.8 V VDD = 5 V VINH, Input High Voltage 2 V VDD = 5 V Pin Capacitance 3 pF POWER REQUIREMENTS VDD 4.5 5.5 V All digital inputs at 0 V or VDD IDD (Normal Mode) DAC active and excluding load current VDD = 4.5 V to 5.5 V 325 450 μA VIH = VDD and VIL = GND POWER EFFICIENCY IOUT/IDD 85 % ILOAD = 2 mA, VDD = 5 V 1 Temperature range for B version is −40°C to +105°C, typical at +25°C. 2 DC specifications tested with the outputs unloaded, unless otherwise stated. Linearity calculated using a reduced code range of 2048 to 260096. 3 Guaranteed by design and characterization; not production tested. 4 Output unloaded. 5 Reference input range at ambient where maximum DNL specification is achievable. |
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