DAC8718 Datasheet, PDF (32/60 Pages) Texas Instruments – Octal, 16-Bit, Low-Power, High-Voltage Output, Serial Input DIGITAL-TO-ANALOG CONVERTER

DAC8718
SBAS467A – MAY 2009 – REVISED DECEMBER 2009
www.ti.com
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.
ANALOG POWER-SUPPLY CURRENT
vs TEMPERATURE
ANALOG POWER-SUPPLY CURRENT
vs REFERENCE VOLTAGE
8
8
All DACs Loaded with Midscale Code
7
7
AV_DD = +36V
6
6
5
5
I_AVDD
4
4
3
3
2
2
1
1
0
-55 -40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
Figure 81.
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_REF (V)
Figure 82.
ANALOG POWER-SUPPLY CURRENT
vs DIGITAL INPUT CODE
8
All DACs Loaded with Same Code
7
6
I_AVDD
5
4
3
2
1
0
0 8192 16384 24576 32768 40960 49152 57344 65536
Digital Input Code
Figure 83.
OUTPUT VOLTAGE
vs SOURCE CURRENT CAPABILITY
30.5
FFFFh
30.0
FF00h
FE00h
FC00h
29.5
F800h
29.0
28.5
OUTPUT VOLTAGE
vs SINK CURRENT CAPABILITY
2.5
0000h
0100h
2.0
0200h
0400h
0800h
1.5
1.0
28.0
0.5
27.5
0
3
6
9
I_SOURCE (mA)
Figure 84.
12
15
0 _-15
-12
-9
-6
-3
0
I_SINK (mA)
Figure 85.
32
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