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AD5780ACPZ Scheda tecnica(PDF) 3 Page - Analog Devices |
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AD5780ACPZ Scheda tecnica(HTML) 3 Page - Analog Devices |
3 / 28 page Data Sheet AD5780 Rev. C | Page 3 of 28 SPECIFICATIONS VDD = 12.5 V to 16.5 V, VSS = −16.5 V to −12.5 V, VREFP = 10 V, VREFN = −10 V, VCC = 2.7 V to 5.5 V, IOVCC = 1.71 V to 5.5 V, RL = unloaded, CL = unloaded, TMIN to TMAX, unless otherwise noted. Table 2. A, B Versions1 Parameter Min Typ Max Unit Test Conditions/Comments STATIC PERFORMANCE2 Resolution 18 Bits Integral Nonlinearity Error (Relative Accuracy) −0.85 +0.85 LSB B grade, VREFP = +10 V, VREFN = −10 V, TA = 25°C −1 +1 LSB B grade, VREFx = ±10 V, +10 V, and +5 V −2 +2 LSB A grade, VREFx = ±10 V, +10 V, and +5 V Differential Nonlinearity Error −0.25 +0.75 LSB B grade, VREFx = ±10 V, +10 V, and +5 V −1 +1 LSB A grade, VREFx = ±10 V, +10 V, and +5 V Long-Term Linearity Error Stability3 0.025 LSB After 750 hours at TA = 135°C Full-Scale Error −3 ±0.95 +3 LSB VREFP = +10 V, VREFN = −10 V −5.5 ±0.675 +0.5 LSB VREFP = 10 V, VREFN = 0 V −10 ±0.45 +10 LSB VREFP = 5 V, VREFN = 0 V Full-Scale Error Temperature Coefficient ±0.026 ppm/°C VREFP = +10 V, VREFN = −10 V Zero-Scale Error −4.8 ±0.325 +4.8 LSB VREFP = +10 V, VREFN = −10 V −10 ±0.175 +10 LSB VREFP = 10 V, VREFN = 0 V −20.5 ±0.225 +20.5 LSB VREFP = 5 V, VREFN = 0 V Zero-Scale Error Temperature Coefficient ±0.025 ppm/°C VREFP = +10 V, VREFN = −10 V Gain Error −19 ±2.3 +19 ppm FSR VREFP = +10 V, VREFN = −10 V −35 ±1.9 +35 ppm FSR VREFP = 10 V, VREFN = 0 V −68 ±0.9 +68 ppm FSR VREFP = 5 V, VREFN = 0 V Gain Error Temperature Coefficient ±0.018 ppm/°C VREFP = +10 V, VREFN = −10 V R1, RFB Matching 0.015 % OUTPUT CHARACTERISTICS Output Voltage Range VREFN VREFP V Output Voltage Settling Time 2.5 μs 10 V step to 0.02%, using the ADA4898-1 buffer in unity-gain mode 3.5 μs 500 code step to ±1 LSB4 Output Noise Spectral Density 8 nV/√Hz At 1 kHz, DAC code = midscale 8 nV/√Hz At 10 kHz, DAC code = midscale Output Voltage Noise 1.1 μV p-p DAC code = midscale, 0.1 Hz to 10 Hz bandwidth Midscale Glitch Impulse4 14 nV-sec VREFP = +10 V, VREFN = −10 V 3.5 nV-sec VREFP = 10 V, VREFN = 0 V 4 nV-sec VREFP = 5 V, VREFN = 0 V MSB Segment Glitch Impulse4 14 nV-sec VREFP = +10 V, VREFN = −10 V, see Figure 43 3.5 nV-sec VREFP = 10 V, VREFN = 0 V, see Figure 44 4 nV-sec VREFP = 5 V, VREFN = 0 V, see Figure 45 Output Enabled Glitch Impulse 57 nV-sec On removal of output ground clamp Digital Feedthrough 0.27 nV-sec DC Output Impedance (Normal Mode) 3.4 kΩ DC Output Impedance (Output Clamped to Ground) 6 kΩ |
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