DAC7634
www.ti.com
SBAS134A–JULY 2004–REVISED AUGUST 2004
TYPICAL PERFORMANCE CURVES: VSS = 0 V (continued)
At TA = 25°C, VDD = VCC = 5 V, VREFH = 2.5 V, VREFL = 0 V, representative unit, unless otherwise specified.
LINEARY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC A, –40°C)
LINEARY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC B, –40°C)
2.0
1.5
1.0
2.0
1.5
1.0
0.5
0
0.5
0
–0.5
–1.0
–1.5
–2.0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
2.0
1.5
1.0
0.5
0
0.5
0
–0.5
–1.0
–1.5
–2.0
–0.5
–1.0
–1.5
–2.0
0000H 2000H 4000H 6000H 8000H A000H C000H E000H FFFFH
0000H 2000H 4000H 6000H 8000H A000H C000H E000H FFFFH
Digital Input Code
Digital Input Code
Figure 9.
Figure 10.
LINEARY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC C, –40°C)
LINEARY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC D, –40°C)
2.0
1.5
1.0
2.0
1.5
1.0
0.5
0
0.5
0
–0.5
–1.0
–1.5
–2.0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
2.0
1.5
1.0
0.5
0
0.5
0
–0.5
–1.0
–1.5
–2.0
–0.5
–1.0
–1.5
–2.0
0000H 2000H 4000H 6000H 8000H A000H C000H E000H FFFFH
0000H 2000H 4000H 6000H 8000H A000H C000H E000H FFFFH
Digital Input Code
Digital Input Code
Figure 11.
Figure 12.
ZERO-SCALE ERROR vs TEMPERATURE
FULL-SCALE ERROR vs TEMPERATURE
2
1.5
1
2
1.5
1
Code (0040H)
Code (FFFFH)
DAC C
DAC A
DAC C
DAC A
0.5
0
0.5
0
–0.5
–1
–0.5
–1
DAC D
DAC B
DAC D
DAC B
–1.5
–2
–1.5
–2
–40 –30 –20 –10
0
10 20 30
40 5060 70 80 90
–40 –30 –20 –10
0
10 20 30
40 5060 70 80 90
Temperature − (°C)
Temperature − (°C)
Figure 13.
Figure 14.
9
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