DAC8728_14 Datasheet, PDF (19/56 Pages) Texas Instruments – Octal, 16-Bit, Low-Power, High-Voltage Output, Parallel Input DIGITAL-TO-ANALOG CONVERTER

DAC8728
www.ti.com
SBAS466A – JUNE 2009 – REVISED NOVEMBER 2009
TYPICAL CHARACTERISTICS: Dual-Supply (continued)
At T_A = +25°C, V_REF = +5V, AV_DD = +16.5V, AV_SS = –16.5V, and gain = 6, unless otherwise noted.
GAIN ERROR
vs TEMPERATURE
GAIN ERROR
vs TEMPERATURE
5
5
LSB = 0.457mV
LSB = 0.305mV
4
4
Gain = 4
3
3
2
2
1
1
0
0
-1
-1
-2
-3
-4
-5
-55
DAC0
DAC1
DAC2
DAC3
-35 -15
DAC4
DAC5
DAC6
DAC7
5 25 45 65
Temperature (°C)
85 105 125
-2
-3
-4
-5
-55
DAC0
DAC1
DAC2
DAC3
-35 -15
DAC4
DAC5
DAC6
DAC7
5 25 45 65
Temperature (°C)
85 105 125
Figure 22.
Figure 23.
4
3
2
1
0
-1
-2
-3
-4
4
LINEARITY ERROR
vs AV_DD AND AV_SS
INL Max
V_REF = 2.048V
Gain = 4
INL Min
6
8
10
12
14
16
18
AV_DD = -AV_SS (V)
Figure 24.
DIFFERENTIAL LINEARITY ERROR
vs AV_DD AND AV_SS
1.00
0.75
0.50
DNL Max
V_REF = 2.048V
Gain = 4
0.25
0
-0.25
-0.50
-0.75
DNL Min
-1.00
4
6
8
10
12
14
16
18
AV_DD = -AV_SS (V)
Figure 25.
4
3
2
1
0
-1
-2
-3
-4
0
LINEARITY ERROR
vs REFERENCE VOLTAGE
INL Max
AV_DD = +18V
AV_SS = -18V
INL Min
1
2
3
4
5
6
V_REF (V)
Figure 26.
DIFFERENTIAL LINEARITY ERROR
vs REFERENCE VOLTAGE
1.00
0.75
0.50
DNL Max
AV_DD = +18V
AV_SS = -18V
0.25
0
-0.25
DNL Min
-0.50
-0.75
-1.00
0
1
2
3
4
5
6
V_REF (V)
Figure 27.
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