參數(shù)資料
型號(hào): EVAL-AD5421SDZ
廠商: Analog Devices Inc
文件頁數(shù): 6/36頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD5421
標(biāo)準(zhǔn)包裝: 1
DAC 的數(shù)量: 1
位數(shù): 16
數(shù)據(jù)接口: 串行,SPI?
設(shè)置時(shí)間: 50µs
DAC 型: 電壓
工作溫度: -40°C ~ 105°C
已供物品:
已用 IC / 零件: AD5421
AD5421
Data Sheet
Rev. G | Page 14 of 36
TYPICAL PERFORMANCE CHARACTERISTICS
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0
60k
50k
40k
30k
20k
10k
INL
E
RRO
R
(
L
S
B)
DAC CODE
VLOOP = 24V
EXT NMOS
RLOAD = 250
TA = 25°C
4mA TO 20mA RANGE
EXT VREF
EXT RSET
09128-
005
Figure 7. Integral Nonlinearity Error vs. Code
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0
60k
50k
40k
30k
20k
10k
DNL
E
RRO
R
(
L
S
B)
DAC CODE
VLOOP = 24V
EXT NMOS
RLOAD = 250
TA = 25°C
4mA TO 20mA RANGE
EXT VREF
EXT RSET
09128-
006
Figure 8. Differential Nonlinearity Error vs. Code
0.01
–0.06
–0.05
–0.04
–0.03
–0.02
–0.01
0
60k
50k
40k
30k
20k
10k
T
O
T
AL
UNADJUS
T
E
D
E
RRO
R
(
%
F
S
R)
DAC CODE
09128-
007
VREF EXT, RSET EXT, NMOS EXT, 24V
VREF EXT, RSET EXT, NMOS INT, 24V
VREF EXT, RSET EXT, NMOS INT, 52V
VREF INT, RSET INT, NMOS EXT, 24V
VREF INT, RSET INT, NMOS INT, 24V
VREF INT, RSET INT, NMOS INT, 52V
RLOAD = 250
TA = 25°C
4mA TO 20mA RANGE
Figure 9. Total Unadjusted Error vs. Code
0.015
–0.010
–0.005
0
0.005
0.010
–40
85
60
35
10
–15
OFFS
E
T
E
R
OR
(
%
FS
R
)
TEMPERATURE (°C)
EXT VREF, INT RSET
EXT VREF, EXT RSET
INT VREF, INT RSET
INT VREF, EXT RSET
VLOOP = 24V
4mA TO 20mA RANGE
RLOAD = 250
EXT NMOS
09128-
008
Figure 10. Offset Error vs. Temperature
0.03
–0.06
–0.05
–0.04
–0.03
–0.02
–0.01
0
0.01
0.02
–40
85
60
35
10
–15
G
AI
N
E
RRO
R
(
%
F
S
R)
TEMPERATURE (°C)
EXT VREF, INT RSET
EXT VREF, EXT RSET
INT VREF, INT RSET
INT VREF, EXT RSET
VLOOP = 24V
4mA TO 20mA RANGE
RLOAD = 250
EXT NMOS
09128-
009
Figure 11. Gain Error vs. Temperature
0.0012
–0.0008
–0.0006
–0.0004
–0.0002
0
0.0002
0.0004
0.0006
0.0008
0.0010
–40
85
60
35
MAX INL
MIN INL
10
–15
INL
E
RRO
R
(
%
F
S
R)
TEMPERATURE (°C)
EXT VREF, INT RSET
EXT VREF, EXT RSET
INT VREF, INT RSET
INT VREF, EXT RSET
VLOOP = 24V
4mA TO 20mA RANGE
RLOAD = 250
09128-
010
Figure 12. Integral Nonlinearity Error vs. Temperature
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