Data Sheet
AD5749
Rev. B | Page 3 of 28
SPECIFICATIONS
AVDD = 12 V (± 10%) to 55 V (maximum), DVCC = 2.7 V to 5.5 V, GND = 0 V. RLOAD = 300 . All specifications TMIN to TMAX,
unless otherwise noted.
Table 2.
Min
Typ
Max
Unit
Test Conditions/Comments
INPUT VOLTAGE RANGE
0 to 4.096
V
Output unloaded
Input Leakage Current
1
+1
A
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
A
CURRENT OUTPUT
Output Current Ranges
0
24
mA
4
20
mA
Output Current Overrange
s20
24.5
mA
3.92
20.4
mA
ACCURACY (INTERNAL RSET)
Total Unadjusted Error (TUE)
0.5
+0.5
% FSR
0.3
±0.15
+0.3
% FSR
TA = 25°C
Relative Accuracy (INL)
0.02
±0.01
+0.02
% FSR
Offset Error
16
+16
A
10
+5
+10
A
TA = 25°C
±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
TA = 25°C
±10
ppm FSR/°C
Full-Scale Error
0.2
+0.2
% FSR
0.125
±0.02
+0.125
% FSR
TA = 25°C
±4
ppm FSR/°C
ACCURACY (EXTERNAL RSET)
Total Unadjusted Error (TUE)
0.3
+0.3
% FSR
0.1
±0.02
+0.1
% FSR
TA = 25°C
Relative Accuracy (INL)
0.02
±0.01
+0.02
% FSR
Offset Error
14
+14
A
11
+5
+11
TA = 25°C
±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
TA = 25°C
±1
ppm FSR/°C
Full-Scale Error
0.1
+0.1
% FSR
0.07
±0.02
+0.07
% FSR
TA = 25°C
±2
ppm FSR/°C