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AD5686 データシート(PDF) 3 Page - Analog Devices |
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AD5686 データシート(HTML) 3 Page - Analog Devices |
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3 / 28 page  Data Sheet AD5686/AD5684 Rev. A | Page 3 of 28 SPECIFICATIONS VDD = 2.7 V to 5.5 V; VREF = 2.5 V; 1.8 V ≤ VLOGIC ≤ 5.5 V; all specifications TMIN to TMAX, unless otherwise noted. RL = 2 kΩ; CL = 200 pF. Table 2. A Grade1 B Grade1 Parameter Min Typ Max Min Typ Max Unit Test Conditions/Comments STATIC PERFORMANCE2 AD5686 Resolution 16 16 Bits Relative Accuracy ±2 ±8 ±1 ±2 LSB Gain = 2 ±2 ±8 ±1 ±3 LSB Gain = 1 Differential Nonlinearity ±1 ±1 LSB Guaranteed monotonic by design AD5684 Resolution 12 12 Bits Relative Accuracy ±0.12 ±2 ±0.12 ±1 LSB Differential Nonlinearity ±1 ±1 LSB Guaranteed monotonic by design Zero-Code Error 0.4 4 0.4 1.5 mV All 0s loaded to DAC register Offset Error +0.1 ±4 +0.1 ±1.5 mV Full-Scale Error +0.01 ±0.2 +0.01 ±0.1 % of FSR All 1s loaded to DAC register Gain Error ±0.02 ±0.2 ±0.02 ±0.1 % of FSR Total Unadjusted Error ±0.01 ±0.25 ±0.01 ±0.1 % of FSR Gain = 2 ±0.25 ±0.2 % of FSR Gain = 1 Offset Error Drift3 ±1 ±1 µV/°C Gain Temperature Coefficient3 ±1 ±1 ppm Of FSR/°C DC Power Supply Rejection Ratio3 0.15 0.15 mV/V DAC code = midscale; VDD = 5 V ± 10% DC Crosstalk3 ±2 ±2 µV Due to single channel, full-scale output change ±3 ±3 µV/mA Due to load current change ±2 ±2 µV Due to powering down (per channel) OUTPUT CHARACTERISTICS3 Output Voltage Range 0 VREF 0 VREF V Gain = 1 0 2 × VREF 0 2 × VREF V Gain = 2, see Figure 23 Capacitive Load Stability 2 2 nF RL = ∞ 10 10 nF RL = 1 kΩ Resistive Load4 1 1 kΩ Load Regulation 80 80 µV/mA 5 V ± 10%, DAC code = midscale; −30 mA ≤ IOUT ≤ +30 mA 80 80 µV/mA 3 V ± 10%, DAC code = midscale; −20 mA ≤ IOUT ≤ +20 mA Short-Circuit Current5 40 40 mA Load Impedance at Rails6 25 25 Ω See Figure 23 Power-Up Time 2.5 2.5 µs Coming out of power-down mode; VDD = 5 V REFERENCE INPUT Reference Current 90 90 µA VREF = VDD = VLOGIC =5.5 V, gain = 1 180 180 µA VREF = VDD = VLOGIC =5.5 V, gain = 2 Reference Input Range 1 VDD 1 VDD V Gain = 1 1 VDD/2 1 VDD/2 V Gain = 2 Reference Input Impedance 16 16 kΩ Gain = 2 32 32 kΩ Gain = 1 |
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