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AD5628BRUZ-2 Scheda tecnica(PDF) 5 Page - Analog Devices |
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AD5628BRUZ-2 Scheda tecnica(HTML) 5 Page - Analog Devices |
5 / 32 page Data Sheet AD5628/AD5648/AD5668 Rev. G | Page 5 of 32 VDD = 2.7 V to 3.6 V, RL = 2 kΩ to GND, CL = 200 pF to GND, VREFIN = VDD. All specifications TMIN to TMAX, unless otherwise noted. Table 2. A Grade1 B Grade1 Parameter Min Typ Max Min Typ Max Unit Conditions/Comments STATIC PERFORMANCE2 AD5628 Resolution 12 12 Bits Relative Accuracy ±0.5 ±4 ±0.5 ±1 LSB See Figure 9 Differential Nonlinearity ±0.25 ±0.25 LSB Guaranteed monotonic by design (see Figure 12) AD5648 Resolution 14 14 Bits Relative Accuracy ±2 ±8 ±2 ±4 LSB See Figure 8 Differential Nonlinearity ±0.5 ±0.5 LSB Guaranteed monotonic by design (see Figure 11) AD5668 Resolution 16 16 Bits Relative Accuracy ±8 ±32 ±8 ±16 LSB See Figure 7 Differential Nonlinearity ±1 ±1 LSB Guaranteed monotonic by design (see Figure 10) Zero-Code Error 6 19 6 19 mV All 0s loaded to DAC register (see Figure 26) 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 27) Gain Error ±1 ±1 % FSR Gain Temperature Coefficient ±2.5 ±2.5 ppm Of FSR/°C Offset Error ±6 ±19 ±6 ±19 mV DC Power Supply Rejection Ratio3 –80 –80 dB VDD ± 10% DC Crosstalk 3 (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 3 (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 = 3 V Power-Up Time 4 4 µs Coming out of power-down mode, VDD = 3 V REFERENCE INPUTS Reference Current 40 55 40 55 µA VREF = VDD = 5.5 V (per DAC channel) Reference Input Range 0 VDD 0 VDD Reference Input Impedance 14.6 14.6 kΩ REFERENCE OUTPUT Output Voltage AD5628/AD5648/AD5668-1 1.247 1.253 1.247 1.253 V At ambient Reference TC3 5 15 5 15 ppm/°C TSSOP 15 5 15 ppm/°C LFCSP 15 ppm/°C WLCSP Reference Output Impedance 7.5 7.5 kΩ |
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