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| DAC7821 Datasheet, PDF (9/18 Pages) Texas Instruments – 12-Bit, Parallel Input, Multiplying Digital-to-Analog Converter | |||
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www.ti.com
DAC7821
SBAS365A â OCTOBER 2005 â REVISED FEBRUARY 2006
TYPICAL CHARACTERISTICS: VDD = +2.5 V
At TA = +25°C, unless otherwise noted.
LINEARITY ERROR
vs DIGITAL INPUT CODE
1.0
0.8
TA = +25°C
VREF = +10 V
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
512 1024 1536 2048 2560 3072 3584 4095
Digital Input Code
Figure 15.
LINEARITY ERROR
vs DIGITAL INPUT CODE
1.0
0.8
TA = -40°C
VREF = +10 V
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
512 1024 1536 2048 2560 3072 3584 4095
Digital Input Code
Figure 17.
LINEARITY ERROR
vs DIGITAL INPUT CODE
1.0
0.8
TA = +125°C
VREF = +10 V
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
512 1024 1536 2048 2560 3072 3584 4095
Digital Input Code
Figure 19.
DIFFERENTIAL LINEARITY ERROR
vs DIGITAL INPUT CODE
1.0
0.8
TA = +25°C
VREF = +10 V
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
512 1024 1536 2048 2560 3072 3584 4095
Digital Input Code
Figure 16.
DIFFERENTIAL LINEARITY ERROR
vs DIGITAL INPUT CODE
1.0
0.8
TA = -40°C
VREF = +10 V
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
512 1024 1536 2048 2560 3072 3584 4095
Digital Input Code
Figure 18.
DIFFERENTIAL LINEARITY ERROR
vs DIGITAL INPUT CODE
1.0
0.8
TA = +125°C
VREF = +10 V
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
512 1024 1536 2048 2560 3072 3584 4095
Digital Input Code
Figure 20.
9
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