參數(shù)資料
型號： DAC7725U/1K
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： PARALLEL, WORD INPUT LOADING, 8 us SETTLING TIME, 12-BIT DAC, PDSO28
封裝： GREEN, SOIC-28
文件頁數(shù)： 13/16頁
文件大?。?/td> 460K
代理商： DAC7725U/1K
6
DAC7724, 7725
TYPICAL PERFORMANCE CURVES: VSS = 0V
At TA = +25°C, VCC = +15V, VDD = +5V, VSS = 0V, VREFH = +10V, VREFL = 0V, representative unit, unless otherwise specified.
000
H
200
H
400
H
600
H
800
H
Digital Input Code
A00
H
C00
H
E00
H
FFF
H
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
Single Channel 25
°C
(Typical of Each Output Channel)
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
LE
(LSB)
DLE
(LSB)
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
LE
(LSB)
DLE
(LSB)
000
H
200
H
400
H
600
H
800
H
Digital Input Code
A00
H
C00
H
E00
H
FFF
H
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
Single Channel 85
°C
(Typical of Each Output Channel)
000
H
200
H
400
H
600
H
800
H
Digital Input Code
A00
H
C00
H
E00
H
FFF
H
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
Single Channel –40
°C
(Typical of Each Output Channel)
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
LE
(LSB)
DLE
(LSB)
–30 –20 –10 0
10 20
30
40 50
60 70
80
90
–40
Temperature (
°C)
ZERO-SCALE ERROR vs TEMPERATURE
(Code 004
H)
Zero-Scale
Error
(mV)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
DAC A
DAC B
DAC C
DAC D
–30 –20 –10 0
10 20
30
40 50
60 70
80
90
–40
Temperature (
°C)
FULL-SCALE ERROR vs TEMPERATURE
(Code FFF
H)
Full-Scale
Error
(mV)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
DAC A
DAC B
DAC C
DAC D
1.2
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
0
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
–1.6
V
REF
Current
(mA)
V
REF
Current
(mA)
000
H
200
H
400
H
600
H
800
H
Digital Input Code
A00
H
C00
H
E00
H
FFF
H
CURRENT vs CODE
All DACs Sent to Indicated Code
V
REFH
V
REFL
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