DAC8718 Datasheet, PDF (30/60 Pages) Texas Instruments – Octal, 16-Bit, Low-Power, High-Voltage Output, Serial Input DIGITAL-TO-ANALOG CONVERTER

DAC8718
SBAS467A – MAY 2009 – REVISED DECEMBER 2009
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TYPICAL CHARACTERISTICS: Unipolar (continued)
At T_A = 25°C, AV_DD = 32V, AV_SS = 0V, V_REF = 5V, IOV_DD = DV_DD = 5V, gain=6, and data format=USB, unless otherwise noted.
LINEARITY ERROR
vs ANALOG SUPPLY VOLTAGE
DIFFERENTIAL LINEARITY ERROR
vs ANALOG SUPPLY VOLTAGE
4
1.0
3
2
INL Max
1
0.8
DNL Max
0.6
0.4
0.2
0
-1
-2
-3
-4
9
INL Min
12 15 18 21 24 27 30 33 36
AV_DD (V)
0
-0.2
-0.4
-0.6
-0.8
-1.0
9
DNL Min
12 15 18 21 24 27 30 33 36
AV_DD (V)
Figure 69.
Figure 70.
5
4
3
2
1
0
-1
-2
-3
-4
-5
9
ZERO-SCALE ERROR
vs ANALOG SUPPLY VOLTAGE
All DACS Loaded with 0100h
V_REF = 2.048V
Gain = 4
Ch0
Ch4
Ch1
Ch5
Ch2
Ch6
Ch3
Ch7
12 15 18 21 24 27 30 33 36
+AV_DD (V)
Figure 71.
5
4
3
2
1
0
-1
-2
-3
-4
-5
9
UNIPOLAR GAIN ERROR
vs ANALOG SUPPLY VOLTAGE
DV_DD = IOV_DD = 4.5V
V_REF = 2.048V
Gain = 4
Ch0
Ch4
Ch1
Ch5
Ch2
Ch6
Ch3
Ch7
12 15 18 21 24 27 30 33 36
+AV_DD (V)
Figure 72.
5
4
3
2
1
0
-1
-2
-3
-4
-5
1.0
ZERO-SCALE ERROR
vs REFERENCE VOLTAGE
All DACS Loaded with 0100h
AV_DD = +36V
Ch0
Ch4
Ch1
Ch5
Ch2
Ch6
Ch3
Ch7
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_REF (V)
Figure 73.
5
4
3
2
1
0
-1
-2
-3
-4
-5
1.0
ZERO-SCALE ERROR
vs REFERENCE VOLTAGE
All DACS Loaded with 0100h
AV_DD = +36V
Gain = 4
Ch0
Ch4
Ch1
Ch5
Ch2
Ch6
Ch3
Ch7
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_REF (V)
Figure 74.
30
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