Datasheet

AD5726 Data Sheet
Rev. C | Page 4 of 20
AV
DD
= +15 V ± 5 %, AV
SS
= −15 V ± 5%, V
REFP
= +10 V, V
REFN
= −10 V, R
LOAD
= 2 kΩ. All specifications T
MIN
to T
MAX
, unless otherwise noted.
1
Table 2.
Parameter
Value
Unit
Test Conditions/Comments
ACCURACY
Resolution 12 Bits
Relative Accuracy (INL) ±0.5 LSB max Y grade
Differential Nonlinearity (DNL) ±1 LSB max Guaranteed monotonic
Linearity Matching
±1
LSB max
Zero-Scale Error
±3
LSB max
Full -Scale Error
±3
LSB max
Zero-Scale Temperature Coefficient
2
±4 ppm FSR/°C typ
Full -Scale Temperature Coefficient
2
±4
ppm FSR/°C typ
REFERENCE INPUT
V
REFP
Reference Input Range
3
V
REFN
+ 2.5
V min
AV
DD
− 2.5
V max
Input Current
±2
mA max
Code 0x000, Code 0x555, typically 1 mA
V
REFN
Reference Input Range
3
−10 V V min
V
REFP
− 2.5 V max
Input Current
2
−3.5 mA min Code 0x000, Code 0x555, typically −2 mA
Large Signal Bandwidth
2
450
kHz typ
−3 dB, V
REFP
= 0 V to 2.5 V p-p
OUTPUT CHARACTERISTICS
2
Output Current
±5
mA max
DIGITAL INPUTS
Input High Voltage, V
IH
2.4
V min
Input Low Voltage, V
IL
0.8
V max
Input Current
2
10
µA max
Input Capacitance
2
5 pF typ
POWER SUPPLY CHARACTERISTICS
Power Supply Sensitivity
2
0.002
%/% max
Typically 0.0004%/%
AI
DD
2
mA/channel max
Outputs unloaded, typically 1.25 mA, V
IL
= DGND, V
IH
= 5 V
AI
SS
2 mA/channel max Outputs unloaded, typically 1.25 mA, V
IL
= DGND, V
IH
= 5 V
Power Dissipation
240
mW max
1
All supplies can be varied ±5% and operation is guaranteed.
2
Guaranteed by design and characterization, not production tested.
3
Operation is guaranteed over this reference range, but linearity is neither tested nor guaranteed.