DAC7634
www.ti.com
SBAS134A–JULY 2004–REVISED AUGUST 2004
TYPICAL PERFORMANCE CURVES: VSS = –5 V (continued)
At TA = 25°C, VDD = VCC = 5 V, VREFH = 2.5 V, VREFL = 0 V, representative unit, unless otherwise specified.
VREFH CURRENT vs CODE
(ALL DACs SENT TO INDICATED CODE)
VREFl CURRENT vs CODE
(ALL DACs SENT TO INDICATED CODE)
+0.6
+0.5
+0.4
+0.3
+0.2
+0.1
0.0
0.0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
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 38.
Figure 39.
ZERO-SCALE ERROR vs TEMPERATURE
(Code 8000H)
POSITIVE FULL-SCALE ERROR vs TEMPERATURE
(Code FFFFH)
2
2
1.5
1.5
1
0.5
0
1
0.5
0
DAC A
DAC B
DAC A
DAC B
–0.5
–1
–0.5
–1
DAC C
DAC D
DAC D
DAC C
–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 40.
Figure 41.
NEGATIVE FULL-SCALE ERROR vs TEMPERATURE
(Code 0000H)
POWER SUPPLY CURRENT
vs TEMPERATURE
3
2
2
(all DACs)
No Load
Data = FFFFH
1.5
1
ICC
DAC B
DAC A
1
0.5
0
DAC C
DAC D
0
–0.5
–1
ISS
–1
–2
–3
–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 42.
Figure 43.
15
BB [ BURR-BROWN CORPORATION ]
