Datasheet

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TYPICAL CHARACTERISTICS: V
DD
= +2.7V and +5V
180
160
140
120
100
80
60
40
20
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
SupplyCurrent,I
DD
(mA)
LogicInputVoltage(V)
V =+5.0V
DD
V =+2.7V
DD
6
0
-6
-12
-18
-24
-30
-36
-42
-48
-54
-60
-66
-72
-78
-84
-90
-96
-102
-108
-114
0xFFFF
0x8000
0x4000
0x2000
0x1000
0x0800
0x0400
0x0200
0x0100
0x0080
0x0040
0x0020
0x0010
0x0008
0x0004
0x0002
10 100 1k 10k 100k 1M 10M 100M
Attenuation(dB)
Bandwidth(Hz)
0x0000
0x0001
6
0
-6
-12
-18
-24
-30
-36
-42
-48
-54
-60
-66
-72
-78
-84
-90
-96
-102
-108
-114
0xFFFF
0xC000
0xA000
0x9000
0x8800
0x8400
0x8200
0x8100
0x8080
0x8040
0x8020
0x8010
0x8008
0x8004
0x8002
0x8001
0x8000
10 100 1k 10k 100k 1M 10M 100M
Attenuation(dB)
Bandwidth(Hz)
CodesfromMidscale
toPositiveFull-Scale
DAC0Voutput
limitedbybipolar
zeroerrorto
–96dBtypical
(–76dBmax).
6
0
-6
-12
-18
-24
-30
-36
-42
-48
-54
-60
-66
-72
-78
-84
-90
-96
-102
-108
-114
0x0000
0x4000
0x6000
0x7000
0x7800
0x7C00
0x7E00
0x7F00
0x7F80
0x7FC0
0x7FE0
0x7FF0
0x7FF8
0x7FFC
0x7FFE
0x7FFF
0x8000
10 100 1k 10k 100k 1M 10M 100M
Attenuation(dB)
Bandwidth(Hz)
CodesfromNegative
Full-ScaletoMidscale
DAC0Voutput
limitedbybipolar
zeroerrorto
–96dBtypical
(–76dBmax).
Time(0.5 s/div)m
OutputVoltage(5V/div)
TriggerPulse
UnipolarMode
VoltageOutputSettling
6
5
4
3
2
1
0
-50 -30 -10 1301109070503010
SupplyCurrent,I
DD
(mA)
Temperature( C)°
V =5.0V
DD
V =2.7V
DD
DAC8822
SBAS390A – DECEMBER 2006 – REVISED MARCH 2007
SUPPLY CURRENT REFERENCE MULTIPLYING BANDWIDTH
vs LOGIC INPUT VOLTAGE UNIPOLAR MODE
Figure 34. Figure 35.
REFERENCE MULTIPLYING BANDWIDTH REFERENCE MULTIPLYING BANDWIDTH
BIPOLAR MODE BIPOLAR MODE
Figure 36. Figure 37.
SUPPLY CURRENT vs TEMPERATURE DAC SETTLING TIME
Figure 38. Figure 39.
14
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