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AD5678BRUZ-1 Datenblatt(PDF) 3 Page - Analog Devices |
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AD5678BRUZ-1 Datenblatt(HTML) 3 Page - Analog Devices |
3 / 28 page AD5678 Rev. A | Page 3 of 28 SPECIFICATIONS VDD = 4.5 V to 5.5 V, RL = 2 kΩ to GND, CL = 200 pF to GND, VREFIN = VDD. All specifications TMIN to TMAX, unless otherwise noted. Table 1. A Grade1 B Grade1 Parameter Min Typ Max Min Typ Max Unit Conditions/Comments STATIC PERFORMANCE2 AD5678 (DAC C, D, E, F) Resolution 12 12 Bits Relative Accuracy ±0.5 ±2 ±0.5 ±1 LSB See Figure 11 Differential Nonlinearity ±0.25 ±0.25 LSB Guaranteed monotonic by design (see Figure 12) AD5678 (DAC A, B, G, H) Resolution 16 16 Bits Relative Accuracy ±8 ±32 ±8 ±16 LSB See Figure 5 Differential Nonlinearity ±1 ±1 LSB Guaranteed monotonic by design (see Figure 6) Zero-Code Error 1 9 1 9 mV All 0s loaded to DAC register (see Figure 17) Zero-Code Error Drift ±2 ±2 μV/°C Full-Scale Error −0.2 −1 −0.2 −1 % FSR All 1s loaded to DAC register (see Figure 18) Gain Error ±1 ±1 % FSR Gain Temperature Coefficient ±2.5 ±2.5 ppm Of FSR/°C Offset Error ±1 ±9 ±1 ±9 mV DC Power Supply Rejection Ratio –80 –80 dB VDD ± 10% DC Crosstalk (External Reference) 10 10 μV Due to full-scale output change, RL = 2 kΩ to GND or VDD 5 5 μV/mA Due to load current change 10 10 μV Due to powering down (per channel) DC Crosstalk (Internal Reference) 25 25 μV Due to full-scale output change, RL = 2 kΩ to GND or VDD 10 10 μV/mA Due to load current change OUTPUT CHARACTERISTICS3 Output Voltage Range 0 VDD 0 VDD V Capacitive Load Stability 2 2 nF RL = ∞ 10 10 nF RL = 2 kΩ DC Output Impedance 0.5 0.5 Ω Short-Circuit Current 30 30 mA VDD = 5 V Power-Up Time 4 4 μs Coming out of power-down mode; VDD = 5 V REFERENCE INPUTS Reference Input Voltage VDD VDD V ±1% for specified performance Reference Current 35 45 35 45 μA VREF = VDD = 5.5 V (per DAC channel) Reference Input Range 0 VDD 0 VDD V Reference Input Impedance 14.6 14.6 kΩ Per DAC channel REFERENCE OUTPUT Output Voltage AD5678-2 2.495 2.505 2.495 2.505 V At ambient Reference TC3 ±5 ±10 ±5 ±10 ppm/°C Reference Output Impedance 7.5 7.5 kΩ LOGIC INPUTS3 Input Current ±3 ±3 μA All digital inputs Input Low Voltage, VINL 0.8 0.8 V VDD = 5 V Input High Voltage, VINH 2 2 V VDD = 5 V Pin Capacitance 3 3 pF |
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