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AD5678 Datasheet(PDF) 14 Page - Analog Devices |
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AD5678 Datasheet(HTML) 14 Page - Analog Devices |
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14 / 28 page 
AD5678 Rev. C | Page 14 of 28 CURRENT (mA) 0.50 0.40 –0.50 –0.40 –0.30 –0.20 –0.10 0 0.10 0.20 0.30 –10 –8 –6 –4 –2 0 2 4 8 610 VDD = 3V VREFOUT = 1.25V VDD = 5V VREFOUT = 2.5V DAC LOADED WITH ZERO-SCALE SINKING CURRENT DAC LOADED WITH FULL-SCALE SOURCING CURRENT Figure 23. Headroom at Rails vs. Source and Sink CURRENT (mA) 6.00 5.00 4.00 3.00 2.00 1.00 –1.00 0 –30 –20 –10 0 10 20 30 VDD = 5V VREFOUT = 2.5V TA = 25°C ZERO SCALE FULL SCALE MIDSCALE 1/4 SCALE 3/4 SCALE Figure 24. AD5678-2 Source and Sink Capability CURRENT (mA) 4.00 –1.00 0 1.00 2.00 3.00 –30 –20 –10 0 10 20 30 VDD = 3V VREFOUT = 1.25V TA = 25°C ZERO SCALE CODE 2.0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 512 10512 20512 30512 40512 50512 60512 TA = 25°C VDD = VREF = 3V VDD = VREF = 5V Figure 26. Supply Current vs. Code TEMPERATURE (°C) 1.6 0 0.2 1.0 1.2 1.4 0.4 0.6 0.8 –40 –20 0 20 40 60 80 100 VDD = VREFIN = 3.6V VDD = VREFIN = 5.5V Figure 27. Supply Current vs. Temperature VDD (V) 1.6 0 0.2 1.0 1.2 1.4 0.4 0.6 0.8 2.7 3.2 4.2 3.7 5.2 4.7 TA =25°C FULL SCALE MIDSCALE 1/4 SCALE 3/4 SCALE Figure 25. AD5678-1 Source and Sink Capability Figure 28. Supply Current vs. Supply Voltage |
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