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AD5667BCPZ-R2 数据表(PDF) 14 Page - Analog Devices |
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AD5667BCPZ-R2 数据表(HTML) 14 Page - Analog Devices |
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14 / 32 page ![]() AD5627R/AD5647R/AD5667R, AD5627/AD5667 Rev. 0 | Page 14 of 32 VDD (V) 1.0 0.5 0 –2.0 –1.5 –1.0 –0.5 –2.5 2.7 3.2 4.2 3.7 5.2 4.7 ZERO-SCALE ERROR OFFSET ERROR TA = 25°C Figure 30. Zero-Scale Error and Offset Error vs. Supply IDD (mA) 0 18 16 14 12 10 8 6 4 2 0.44 0.42 0.40 0.38 0.36 0.34 0.32 0.30 VDD = 3.6V VDD = 5.5V Figure 31. IDD Histogram with External Reference IDD (mA) 0 14 12 10 8 6 4 2 VDD = 3.6V VDD = 5.5V VREFOUT = 2.5V VREFOUT = 1.25V Figure 32. IDD Histogram with Internal Reference CURRENT (mA) 0.5 0.4 –0.5 –0.4 –0.3 –0.2 –0.1 0 0.1 0.2 0.3 –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 33. Headroom at Rails vs. Source and Sink CURRENT (mA) 6 5 4 3 2 1 –1 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 34. AD56x7R with 2.5 V Reference, Source and Sink Capability CURRENT (mA) 4 –1 0 1 2 3 –30 –20 –10 0 10 20 30 VDD = 3V VREFOUT = 1.25V TA = 25°C ZERO SCALE FULL SCALE MIDSCALE 1/4 SCALE 3/4 SCALE Figure 35. AD56x7R with 1.25 V Reference, Source and Sink Capability |
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