Datasheet

AD5722R/AD5732R/AD5752R
Rev. D | Page 3 of 32
SPECIFICATIONS
AV
DD
= 4.5 V
1
to 16.5 V; AV
SS
= −4.5 V
1
to −16.5 V, or AV
SS
= 0 V; GND = 0 V; REFIN= 2.5 V external; DV
CC
= 2.7 V to 5.5 V; R
LOAD
= 2 kΩ;
C
LOAD
= 200 pF; all specifications T
MIN
to T
MAX
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 (INL)
2
AD5752R −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
T
A
= 25 C, error at other temperatures
obtained using bipolar zero TC
Bipolar Zero TC
3
±4 ppm FSR/°C
Zero-Scale Error −6 +6 mV
T
A
= 25°C, error at other temperatures
obtained using zero-scale TC
Zero-Scale TC
3
±4 ppm FSR/°C
Offset Error −6 +6 mV
T
A
= 25°C, error at other temperatures
obtained using offset error TC
Offset Error TC
3
±4 ppm FSR/°C
Gain Error −0.025 +0.025 % FSR
±10 V range, T
A
= 25°C, error at other temperatures
obtained using gain TC
Gain Error
3
−0.065 0 % FSR
+10 V and +5 V ranges, T
A
= 25°C, error at other
temperatures obtained using gain TC
Gain Error
3
0 +0.08 % FSR
±5 V range, T
A
= 25°C, error at other temperatures
obtained using gain TC
Gain TC
3
±4 ppm FSR/°C
DC Crosstalk
3
120 μV
REFERENCE INPUT/OUTPUT
Reference Input
3
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 T
A
= 25°C
Reference TC
3
−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 Hz)
3
5 μV p-p
Noise Spectral Density
3
75 nV/√Hz 10 kHz
OUTPUT CHARACTERISTICS
3
Output Voltage Range −10.8 +10.8 V AV
DD
/AV
SS
= ±11.7 V min, REFIN = 2.5 V
−12 +12 V AV
DD
/AV
SS
= ±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