Datasheet

AD5722/AD5732/AD5752
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; 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 1.
Parameter Min Typ Max Unit Test Conditions/Comments
ACCURACY Outputs unloaded
Resolution
AD5752 16 Bits
AD5732 14 Bits
AD5722 12 Bits
Total Unadjusted Error (TUE)
B Version −0.1 +0.1 % FSR
A Version −0.3 +0.3 % FSR
Integral Nonlinearity (INL)
2
AD5752 A, B Versions −16 +16 LSB
AD5732 A Version −4 +4 LSB
AD5722 A Version −1 +1 LSB
Differential Nonlinearity (DNL) −1 +1 LSB All models, all versions, 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
zero-scale TC
Offset Error TC ±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
+10 V and +5 V ranges, T
A
= 25°C, error at other
temperatures obtained using gain TC
Gain Error
3
0 +0.08
±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
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
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 Required 0.5 0.9 V
Output Voltage TC ±4 ppm FSR/°C
Output Voltage Drift vs. Time ±50 ppm FSR Drift after 1000 hours of lifetest @ 125°C
Short-Circuit Current 20 mA
Load 2 kΩ For specified performance
Capacitive Load Stability 4000 pF
DC Output Impedance 0.5 Ω