Datasheet

Data Sheet AD5749
Rev. B | Page 3 of 28
SPECIFICATIONS
AV
DD
= 12 V (± 10%) to 55 V (maximum), DV
CC
= 2.7 V to 5.5 V, GND = 0 V. R
LOAD
= 300 Ω. All specifications T
MIN
to T
MAX
,
unless otherwise noted.
Table 2.
Parameter
1
Min Typ Max Unit Test Conditions/Comments
INPUT VOLTAGE RANGE 0 to 4.096 V Output unloaded
Input Leakage Current −1 +1 µA
REFERENCE INPUT
Reference Input Voltage 4.096 V External reference must be exactly as stated;
otherwise, accuracy errors show up as error in output
Input Leakage Current −1 +1 µA
CURRENT OUTPUT
Output Current Ranges 0 24 mA
4
20
mA
Output Current Overranges
2
0 24.5 mA
See
Detailed Description of Features section
3.92 20.4 mA
See
Detailed Description of Features section
ACCURACY (INTERNAL R
SET
)
Total Unadjusted Error (TUE)
A Version
2
−0.5 +0.5 % FSR
−0.3 ±0.15 +0.3 % FSR T
A
= 25°C
Relative Accuracy (INL) −0.02 ±0.01 +0.02 % FSR
Offset Error −16 +16 µA
−10 +5 +10 µA T
A
= 25°C
Offset Error TC
2
±3 ppm FSR/°C
Dead Band on Output, RTI 8 14 mV Referred to 4.096 V input range
Gain Error −0.2 +0.2 % FSR
−0.125 ±0.02 +0.125 % FSR T
A
= 25°C
Gain TC
2
±10 ppm FSR/°C
Full-Scale Error −0.2 +0.2 % FSR
−0.125 ±0.02 +0.125 % FSR T
A
= 25°C
Full-Scale TC
2
±4 ppm FSR/°C
ACCURACY (EXTERNAL R
SET
)
Total Unadjusted Error (TUE)
A Version
2
−0.3 +0.3 % FSR
−0.1 ±0.02 +0.1 % FSR T
A
= 25°C
Relative Accuracy (INL) −0.02 ±0.01 +0.02 % FSR
Offset Error −14 +14 µA
−11 +5 +11 T
A
= 25°C
Offset Error TC
2
±2 ppm FSR/°C
Dead Band on Output, RTI 8 +14 mV Referred to 4.096 V input range
Gain Error −0.08 +0.08 % FSR
−0.07 ±0.02 +0.07 % FSR T
A
= 25°C
Gain TC
2
±1 ppm FSR/°C
Full-Scale Error −0.1 +0.1 % FSR
−0.07 ±0.02 +0.07 % FSR T
A
= 25°C
Full-Scale TC
2
±2 ppm FSR/°C