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DAC9881SBRGET Datasheet(数据表) 21 Page - Texas Instruments

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部件型号  DAC9881SBRGET
说明  18-Bit, Single-Channel, Low-Noise, Voltage-Output DIGITAL-TO-ANALOG CONVERTER
下载  39 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 

 21 page
background image
0
0.5
1.0
1.5
2.0
2.5
3.0
ReferenceVoltage(V)
4.0
3.0
2.0
1.0
0
-1.0
-2.0
-3.0
-4.0
INLMax
INLMin
0
0.5
1.0
1.5
2.0
2.5
3.0
ReferenceVoltage(V)
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
DNLMax
DNLMin
-
55
-
35
-
15
125
5
25
45
65
85
105
Temperature(°C)
DACCodeSetto3FFFFh
1000
900
800
700
600
500
400
300
200
100
0
V
=2.5V
REF
,Gain=1XMode
V
=1.25V
REF
,Gain=2XMode
0
262144
196608
131072
65536
DigitalInputCode
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
V
Current
REFH
V
=2.5V
REFH
V
=0V
REFL
V
Current
REFL
0
262144
196608
131072
65536
DigitalInputCode
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
V
Current
REFH
V
=1.25V
REFH
V
=0V
REFL
V
Current
REFL
0
3
6
9
12
15
I
(mA)
(SOURCE/SINK)
3.0
2.5
2.0
1.5
1.0
0.5
0
DACLoadedwith00000h
DACLoadedwith3FFFFh,V
=2.5V
REFH
DACLoadedwith3FFFFh,V
=2.7V
REFH
DAC9881
www.ti.com ......................................................................................................................................................... SBAS438A – MAY 2008 – REVISED AUGUST 2008
TYPICAL CHARACTERISTICS: AVDD = +2.7V (continued)
At TA = +25°C, VREFH = +2.5V, VREFL = 0V, and Gain = 1X Mode, unless otherwise noted.
LINEARITY ERROR
DIFFERENTIAL LINEARITY ERROR
vs REFERENCE VOLTAGE
vs REFERENCE VOLTAGE
Figure 50.
Figure 51.
AVDD SUPPLY CURRENT
REFERENCE CURRENT
vs TEMPERATURE
vs DIGITAL INPUT CODE
Figure 52.
Figure 53.
REFERENCE CURRENT
OUTPUT VOLTAGE
vs DIGITAL INPUT CODE (GAIN = 2X MODE)
vs DRIVE CURRENT CAPABILITY
Figure 54.
Figure 55.
Copyright © 2008, Texas Instruments Incorporated
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21
Product Folder Link(s): DAC9881




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