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
0x3FFF
0x2000
0x1000
0x0800
0x0400
0x0200
0x0100
0x0080
0x0040
0x0020
0x0010
0x0008
0x0004
0x0002
0x0001
10 100 1k 10k 100k 1M 10M 100M
Attenuation(dB)
Bandwidth(Hz)
0x0000
6
0
-6
-12
-18
-24
-30
-36
-42
-48
-54
-60
-66
-72
-78
-84
-90
-96
-102
-108
-114
0x3FFF
0x3000
0x2800
0x2400
0x2200
0x2100
0x2080
0x2040
0x2020
0x2010
0x2008
0x2004
0x2002
0x2001
0x2000
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
84dB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
0x1000
0x1800
0x1C00
0x1E00
0x1F00
0x1F80
0x1FC0
0x1FE0
0x1FF0
0x1FF8
0x1FFC
0x1FFE
0x1FFF
0x2000
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
84dB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
DAC8805
SBAS391A – DECEMBER 2006 – REVISED MAY 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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