Datasheet

8
7
6
5
4
3
2
1
0
AnalogPower-SupplyCurrent(mA)
-55 -40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature(°C)
I
AVDD
-I
AVSS
8
7
6
5
4
3
2
1
0
AnalogPower-SupplyCurrent(mA)
-I
AVSS
I
AVDD
1.0 5.55.04.54.03.53.01.5 2.0
V (V)
REF
2.5
AllDACsLoadedwithMidscaleCode
AV
DD
=+18V
A =V
SS
-18V
8
6
4
2
0
-2
-4
-6
-8
AnalogPower-SupplyCurrent(mA)
2048 0 16384143361228810240819261444096
DigitalInputCode
AllDACsLoadedwithSameCode
I
AVDD
I
AVSS
250
200
150
100
50
0
DigitalPower-SupplyCurrent( A)m
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
LogicInputVoltage(V)
SweepFrom
5.5Vto0V
SweepFrom
0Vto5.5V
OneDigitalInputSwept,AllOthersatGNDorIOV
DD
DV (mV)
OUT
-15 -9 -3 3 9-12 -6 0 6 12 15
CurrentOutputI (mA)
OUT
6
5
4
3
2
1
0
1
2
3
4
5
-
-
-
-
-
-
6
3FFFh
3000h
2000h
1000h
0000h
2000
1800
1600
1400
1200
1000
800
600
400
200
0
Noise(nV/ )ÖHz
1 100k10k1k10010
Frequency(Hz)
DACLoadedwithMidscaleCode
Gain=6
Gain=4
DAC8218
www.ti.com SBAS460A –MAY 2009–REVISED DECEMBER 2009
TYPICAL CHARACTERISTICS: Bipolar (continued)
At T
A
= 25°C, AV
DD
= 16.5V, AV
SS
= –16.5V, V
REF
= IOV
DD
= DV
DD
= 5V, gain = 6, data format=USB, unless otherwise noted.
ANALOG POWER-SUPPLY CURRENT ANALOG POWER-SUPPLY CURRENT
vs TEMPERATURE vs REFERENCE VOLTAGE
Figure 33. Figure 34.
ANALOG POWER-SUPPLY CURRENT DIGITAL POWER-SUPPLY CURRENT
vs DIGITAL INPUT CODE vs LOGIC INPUT VOLTAGE
Figure 35. Figure 36.
DELTA OUTPUT VOLTAGE DAC OUTPUT NOISE DENSITY
vs SOURCE AND SINK CURRENTS vs FREQUENCY
Figure 37. Figure 38.
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