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AD5384BBC-5 датащи(PDF) 20 Page - Analog Devices |
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AD5384BBC-5 датащи(HTML) 20 Page - Analog Devices |
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20 / 36 page ![]() AD5384 Rev. A | Page 20 of 36 CURRENT (mA) –40 –20 –10 –5 –2 0 2 5 10 20 40 –1 6 4 3 2 5 1 0 ZERO-SCALE 1/4 SCALE MIDSCALE 3/4 SCALE FULL-SCALE AVDD = DVDD = 5V VREF = 2.5V TA = 25°C Figure 20. AD5384-5 Output Amplifier Source and Sink Capability ISOURCE/ISINK (mA) 2.00 0 0.25 0.50 0.75 1.00 1.25 1.50 1.75 –0.20 0.20 0.10 0.05 0.15 0 –0.05 –0.10 –0.15 AVDD = 5V VREF = 2.5V TA = 25°C ERROR AT ZERO SINKING CURRENT (VDD–VOUT) AT FULL-SCALE SOURCING CURRENT Figure 21. Headroom at Rail vs. Source/Sink Current FREQUENCY (Hz) 100k 100 1k 10k 0 600 500 400 300 200 100 AVDD = 5V TA = 25°C REFOUT DECOUPLED WITH 100nF CAPACITOR REFOUT = 2.5V REFOUT = 1.25V Figure 22. REFOUT Noise Spectral Density CURRENT (mA) –40 –20 –10 –5 –2 0 2 5 10 20 –40 –1 6 4 3 2 5 1 0 ZERO-SCALE 1/4 SCALE MIDSCALE 3/4 SCALE FULL-SCALE AVDD = DVDD = 3V VREF = 1.25V TA = 25°C Figure 23. AD5384-3 Output Amplifier Source and Sink Capability SAMPLE NUMBER 550 0 100 150 200 250 300 50 350 400 500 450 2.449 2.456 2.455 2.454 2.453 2.452 2.451 2.450 AVDD = DVDD = 5V VREF = 2.5V TA = 25°C 14ns/SAMPLE NUMBER Figure 24. Adjacent Channel DAC to DAC Crosstalk AVDD = DVDD = 5V VREF = 2.5V TA = 25°C EXITS SOFT PD TO MIDSCALE AVDD = DVDD = 5V TA = 25°C DAC LOADED WITH MIDSCALE EXTERNAL REFERENCE Y AXIS = 5 µV/DIV X AXIS = 100ms/DIV Figure 25. 0.1 Hz to 10 Hz Noise Plot |
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