DAC8728_14 Datasheet, PDF (27/56 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: Single-Supply (continued)
At T_A = +25°C, V_REF = +5V, AV_DD = +32V, and gain = 6, unless otherwise noted.
GAIN ERROR
vs TEMPERATURE
5
LSB = 0.457mV
4
3
2
5
DAC0
DAC4
DAC1
DAC5
4
DAC2
DAC6
3
DAC3
DAC7
2
1
1
0
0
-1
-1
-2
-2
-3
-3
-4
-4
-5
-55 -35 -15
5 25 45 65
Temperature (°C)
85 105 125
-5
-55 -35
GAIN ERROR
vs TEMPERATURE
LSB = 0.305mV
Gain = 4
DAC0
DAC1
DAC2
DAC3
DAC4
DAC5
DAC6
DAC7
-15 5 25 45 65 85 105 125
Temperature (°C)
Figure 68.
Figure 69.
4
3
2
1
0
-1
-2
-3
-4
8
LINEARITY ERROR
vs AV_DD
INL Max
V_REF = 2.048V
Gain = 4
INL Min
12
16
20
24
28
32
36
AV_DD (V)
Figure 70.
DIFFERENTIAL LINEARITY ERROR
vs AV_DD
1.00
0.75
V_REF = 2.048V
Gain = 4
DNL Max
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
8
DNL Min
12
16
20
24
28
32
36
AV_DD (V)
Figure 71.
4
3
2
1
0
-1
-2
-3
-4
0
LINEARITY ERROR
vs REFERENCE VOLTAGE
AV_DD = 36V
INL Max
INL Min
1
2
3
4
5
6
V_REF (V)
Figure 72.
DIFFERENTIAL LINEARITY ERROR
vs REFERENCE VOLTAGE
1.00
0.75
AV_DD = 36V
0.50
DNL Max
0.25
0
-0.25
-0.50
DNL Min
-0.75
-1.00
0
1
2
3
4
5
6
V_REF (V)
Figure 73.
Copyright © 2009, Texas Instruments Incorporated
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