AD5421_11 AD [Analog Devices], AD5421_11 Datasheet - Page 3

• Manufacturer Part Number: AD5421_11
• Description: 16-Bit, Serial Input, Loop-Powered, 4 mA to 20 mA DAC
• Manufacturer: AD [Analog Devices]

SPECIFICATIONS
Loop voltage = 24 V; REFIN = 2.5 V external; R
T
Table 1.
Parameter
ACCURACY, INTERNAL R
ACCURACY, EXTERNAL R
MIN
Resolution
Total Unadjusted Error (TUE)
TUE Long-Term Stability
Relative Accuracy (INL)
Differential Nonlinearity (DNL)
Offset Error
Offset Error TC
Gain Error
Gain Error TC
Full-Scale Error
Full-Scale Error TC
Downscale Alarm Current
Upscale Alarm Current
Resolution
Total Unadjusted Error (TUE)
TUE Long-Term Stability
Relative Accuracy (INL)
Differential Nonlinearity (DNL)
Offset Error
Offset Error TC
Gain Error
Gain Error TC
Full-Scale Error
Full-Scale Error TC
Downscale Alarm Current
Upscale Alarm Current
to T
MAX
1
, unless otherwise noted.
3
3
3
3
3
3
SET
SET
(24 kΩ)
2
2
Min
16
−0.126
−0.041
−0.22
−0.12
−0.0035
−0.08
−1
−0.056
−0.008
−0.107
−0.035
−0.126
−0.041
3.19
22.77
23.97
16
−0.048
−0.027
−0.12
−0.06
−0.0035
−0.08
−1
−0.021
−0.007
−0.03
−0.023
−0.047
−0.028
3.19
22.79
23.99
L
= 250 Ω; external NMOS connected; all loop current ranges; all specifications
Typ
±0.0064
±0.011
210
±0.0015
±0.006
±0.0008
1
±0.0058
4
±0.0065
5
±0.002
±0.003
40
±0.0015
±0.006
±0.0012
0.5
±0.0006
1
±0.0017
1
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Max
+0.126
+0.041
+0.22
+0.12
+0.0035
+0.08
+1
+0.056
+0.008
+0.107
+0.035
+0.126
+0.041
3.21
22.83
24.03
+0.048
+0.027
+0.12
+0.06
+0.0035
+0.08
+1
+0.021
+0.007
+0.03
+0.023
+0.047
+0.028
3.21
22.81
24.01
Unit
Bits
% FSR
% FSR
% FSR
% FSR
ppm FSR
% FSR
% FSR
LSB
% FSR
% FSR
ppm FSR/°C
% FSR
% FSR
ppm FSR/°C
% FSR
% FSR
ppm FSR/°C
mA
mA
mA
Bits
% FSR
% FSR
% FSR
% FSR
ppm FSR
% FSR
% FSR
LSB
% FSR
% FSR
ppm FSR/°C
% FSR
% FSR
ppm FSR/°C
% FSR
% FSR
ppm FSR/°C
mA
mA
mA
Test Conditions/Comments
C grade
C grade, T
B grade
B grade, T
Drift after 1000 hours at T
C grade
B grade
Guaranteed monotonic
T
T
T
4 mA to 20 mA and 3.8 mA to 21 mA
ranges
3.2 mA to 24 mA range
Assumes ideal resistor
C grade
C grade, T
B grade
B grade, T
Drift after 1000 hours at T
C grade
B grade
Guaranteed monotonic
T
T
T
4 mA to 20 mA and 3.8 mA to 21 mA
ranges
3.2 mA to 24 mA range
A
A
A
A
A
A
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C
A
A
A
A
= 25°C
= 25°C
= 25°C
= 25°C
AD5421
A
A
= 125°C
= 125°C