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AD5421BREZ-REEL Datasheet(Fiches technique) 15 Page - Analog Devices

Numéro de pièce AD5421BREZ-REEL
Description  16-Bit, Serial Input, Loop-Powered, 4 mA to 20 mA DAC
Télécharger  36 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
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 15 page
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Data Sheet
AD5421
Rev. F | Page 15 of 36
0.5
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
–40
85
60
35
MAX DNL
MIN DNL
10
–15
TEMPERATURE (°C)
VLOOP = 24V
4mA TO 20mA RANGE
RLOAD = 250Ω
Figure 12. Differential Nonlinearity Error vs. Temperature
0.04
–0.06
–0.05
–0.04
–0.03
–0.02
–0.01
0
0.01
0.02
0.03
–40
85
60
35
10
–15
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 = 250Ω
EXT NMOS
Figure 13. Total Unadjusted Error vs. Temperature
–40
85
60
35
10
–15
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 = 250Ω
EXT NMOS
0.04
–0.06
–0.05
–0.04
–0.03
–0.02
–0.01
0
0.01
0.02
0.03
Figure 14. Full-Scale Error vs. Temperature
0.0006
–0.0006
–0.0004
–0.0002
0
0.0002
0.0004
060
50
40
MAX INL
MIN INL
30
20
10
LOOP SUPPLY VOLTAGE (V)
RLOAD = 250Ω
TA = 25°C
3.8mA TO 21mA RANGE
EXT VREF
EXT RSET
Figure 15. Integral Nonlinearity Error vs. Loop Supply Voltage
0.0029
0.0027
0.0025
0.0023
0.0021
0.0019
0.0017
0.0015
060
50
40
30
20
10
LOOP SUPPLY VOLTAGE (V)
RLOAD = 250Ω
TA = 25°C
3.8mA TO 21mA RANGE
EXT VREF
EXT RSET
Figure 16. Total Unadjusted Error vs. Loop Supply Voltage
0.0024
0.0022
0.0020
0.0018
0.0016
0.0014
0.0012
0.0010
060
50
40
30
20
10
LOOP SUPPLY VOLTAGE (V)
RLOAD = 250Ω
TA = 25°C
3.8mA TO 21mA RANGE
EXT VREF
EXT RSET
Figure 17. Offset Error vs. Loop Supply Voltage




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