AD5748 View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'AD5748' PDF : 32 Pages View PDF
Data Sheet
Parameter 1
Output Noise Spectral Density
AC PSRR
DC PSRR
CURRENT OUTPUT, IOUT
Output Current Ranges
Accuracy, Internal RSET 4
Total Unadjusted Error (TUE)2
Relative Accuracy (INL)
Offset Error
Offset Error TC3
Gain Error
Gain TC3
Full-Scale Error
Full-Scale TC3
Accuracy, External RSET4
Total Unadjusted Error (TUE)2
Relative Accuracy (INL)
Offset Error
Offset Error TC3
Gain Error
Gain TC
Full-Scale Error
Full-Scale TC3
CURRENT OUTPUT CHARACTERISTICS3
Current Loop Compliance Voltage
Resistive Load
Inductive Load
Min
0
4
−0.5
−0.3
−0.02
−16
−10
−0.2
−0.03
−0.2
−0.125
−0.3
−0.1
−0.02
−14
−11
−0.08
−0.07
−0.1
−0.07
0
Settling Time
4 mA to 21 mA, Full-Scale Step
120 µA Step, 4 mA to 21 mA Range
DC PSRR
Output Impedance
DIGITAL INPUT
Input High Voltage, VIH
2
Input Low Voltage, VIL
Input Current
−1
Pin Capacitance
DIGITAL OUTPUTS3
FAULT, IFAULT, TEMP, VFAULT
Output Low Voltage, VOL
Output Low Voltage, VOL
Output High Voltage, VOH
3.6
AD5748
Typ
Max
Unit
Test Conditions/Comments
165
nV/√Hz
Measured at 10 kHz; specified with
2 kΩ || 220 pF
−65
dB
200 mV, 50 Hz/60 Hz sine wave
superimposed on power supply voltage
10
µV/V
Outputs unloaded
±0.15
±0.01
+5
±3
±0.006
±8
±0.02
±4
21
21
+0.5
+0.3
+0.02
+16
+10
+0.2
+0.03
+0.2
+0.125
mA
mA
% FSR
% FSR
% FSR
µA
µA
ppm FSR/°C
% FSR
% FSR
ppm FSR/°C
% FSR
% FSR
ppm FSR/°C
TA = 25°C
4 mA to 21 mA, 0 mA to 21 mA
4 mA to 21 mA, 0 mA to 21 mA
TA = 25°C
4 mA to 21 mA, 0 mA to 21 mA
4 mA to 21 mA, 0 mA to 21 mA
TA = 25°C
4 mA to 21 mA, 0 mA to 21 mA
4 mA to 21 mA, 0 mA to 21 mA
TA = 25°C
4 mA to 21 mA, 0 mA to 21 mA
±0.02
±0.01
+5
±2
±0.02
±1
±0.02
±2
+0.3
+0.1
+0.02
+14
+11
+0.08
+0.07
+0.1
+0.07
% FSR
% FSR
% FSR
µA
µA
ppm FSR/°C
% FSR
% FSR
ppm FSR/°C
% FSR
% FSR
ppm FSR/°C
TA = 25°C
4 mA to 21 mA, 0 mA to 21 mA
4 mA to 21 mA, 0 mA to 21 mA
TA = 25°C
4 mA to 21 mA, 0 mA to 21 mA
4 mA to 21 mA, 0 mA to 21 mA
TA = 25°C
4 mA to 21 mA, 0 mA to 21 mA
4 mA to 21 mA, 0 mA to 21 mA
TA = 25°C
4 mA to 21 mA, 0 mA to 21 mA
AVDD − 2.75 V
See comments
See comments
Chosen so that compliance is not
exceeded
Needs appropriate capacitor at higher
inductance values; see the Driving
Inductive Loads section
8.5
1.2
1
130
0.8
+1
5
µs
µs
µA/V
MΩ
V
V
µA
pF
250 Ω load
250 Ω load
JEDEC compliant
Per pin
Per pin
0.4
V
0.6
V
V
Rev. B | Page 5 of 32
10 kΩ pull-up resistor to DVCC
At 2.5 mA
10 kΩ pull-up resistor to DVCC
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