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DAC8881 数据表(PDF) 19 Page - Texas Instruments |
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DAC8881 数据表(HTML) 19 Page - Texas Instruments |
19 / 34 page www.ti.com 0 0.5 1.0 1.5 2.0 2.5 3.0 V ReferenceV REFH oltage(V) 1.0 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -1.0 INLMin INLMax 0 0.5 1.0 1.5 2.0 2.5 3.0 V ReferenceV REFH oltage(V) 1.0 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -1.0 DNLMin DNLMax - 55 - 35 - 15 125 5 25 45 65 85 105 Temperature(°C) DACCodeSettoFFFFh 1000 900 800 700 600 500 400 300 200 100 0 V =2.5V REF ,Gain=1XMode V =1.25V REF ,Gain=2XMode 8192 0 65536 57344 49152 40960 32768 24576 16384 DigitalInputCode 1.00 0.75 0.50 0.25 0 -0.25 -0.50 -0.75 -1.00 V Current REFH V =2.5V REFH V =0V REFL V Current REFL 8192 0 65536 57344 49152 40960 32768 24576 16384 DigitalInputCode 1.00 0.75 0.50 0.25 0 -0.25 -0.50 -0.75 -1.00 V Current REFH V =1.25V REFH V =0V REFL V Current REFL 0 3 6 9 12 15 I (mA) (SOURCE/SINK) 3.0 2.5 2.0 1.5 1.0 0.5 0 DACLoadedwith0000h DACLoadedwithFFFFh,V =2.5V REFH DACLoadedwithFFFFh,V =2.7V REFH DAC8881 SBAS422A – JULY 2007 – REVISED SEPTEMBER 2007 TYPICAL CHARACTERISTICS: VDD = +2.7V (continued) At TA = +25°C, VREFH = +2.5V, VREFL = 0V, and Gain = 1X Mode, unless otherwise noted. LINEARITY ERROR DIFFERENTIAL LINEARITY ERROR vs REFERENCE VOLTAGE vs REFERENCE VOLTAGE Figure 50. Figure 51. AVDD SUPPLY CURRENT REFERENCE CURRENT vs TEMPERATURE vs DIGITAL INPUT CODE Figure 52. Figure 53. REFERENCE CURRENT OUTPUT VOLTAGE vs DIGITAL INPUT CODE (GAIN = 2X MODE) vs DRIVE CURRENT CAPABILITY Figure 54. Figure 55. Copyright © 2007, Texas Instruments Incorporated Submit Documentation Feedback 19 Product Folder Link(s): DAC8881 |
类似零件编号 - DAC8881 |
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类似说明 - DAC8881 |
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