AD5722R/AD5732R/AD5752R
Rev. D | Page 3 of 32
SPECIFICATIONS
AVDD = 4.5 V1 to 16.5 V; AVSS = 4.5 V1 to 16.5 V, or AVSS = 0 V; GND = 0 V; REFIN= 2.5 V external; DVCC = 2.7 V to 5.5 V; RLOAD = 2 kΩ; CLOAD = 200 pF; all specifications TMIN to TMAX unless otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
ACCURACY
Outputs unloaded
Resolution
AD5752R
16
Bits
AD5732R
14
Bits
AD5722R
12
Bits
Total Unadjusted Error (TUE)
0.1
+0.1
% FSR
Integral Nonlinearity (IN
L)2AD5752R
16
+16
LSB
AD5732R
4
+4
LSB
AD5722R
1
+1
LSB
Differential Nonlinearity (DNL)
1
+1
LSB
All models, guaranteed monotonic
Bipolar Zero Error
6
+6
mV
TA = 25 C, error at other temperatures
obtained using bipolar zero TC
±4
ppm FSR/°C
6
+6
mV
TA = 25°C, error at other temperatures
obtained using zero-scale TC
±4
ppm FSR/°C
Offset Error
6
+6
mV
TA = 25°C, error at other temperatures
obtained using offset error TC
±4
ppm FSR/°C
Gain Error
0.025
+0.025
% FSR
±10 V range, TA = 25°C, error at other temperatures
obtained using gain TC
0.065
0
% FSR
+10 V and +5 V ranges, TA = 25°C, error at other
temperatures obtained using gain TC
0
+0.08
% FSR
±5 V range, TA = 25°C, error at other temperatures
obtained using gain TC
±4
ppm FSR/°C
120
μV
REFERENCE INPUT/OUTPUT
Reference Input Voltage
2.5
V
±1% for specified performance
DC Input Impedance
1
5
MΩ
Input Current
2
±0.5
+2
μA
Reference Range
+2
+3
V
Reference Output
Output Voltage
+2.497
+2.501
V
TA = 25°C
5
±1.8
+5
ppm/°C
0°C to +85°C
10
±2.2
+10
ppm/°C
40°C to +85°C
Output Noise (0.1 Hz to 10 H
z)35
μV p-p
75
nV/√Hz
10 kHz
Output Voltage Range
10.8
+10.8
V
AVDD/AVSS = ±11.7 V min, REFIN = 2.5 V
12
+12
V
AVDD/AVSS = ±12.9 V min, REFIN = 3 V
Headroom
0.5
0.9
V
Output Voltage TC
±4
ppm FSR/°C
Short-Circuit Current
20
mA
Load
2
kΩ
For specified performance
Capacitive Load Stability
4000
pF
DC Output Impedance
0.5
Ω