AD5765
Data Sheet
Rev. C | Page 4 of 28
SPECIFICATIONS
AVDD = 4.75 V to 5.25 V, AVSS = 4.75 V to 5.25 V, AGNDx = DGND = REFGND = PGND = 0 V, REFAB = REFCD = 2.048 V,
DVCC = 2.7 V to 5.25 V, RLOAD = 5 k, CLOAD = 200 pF. All specifications TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
Unit
Test Conditions/Comments
ACCURACY
Outputs unloaded
Resolution
16
Bits
Relative Accuracy (INL)
±2
±1
LSB max
Differential Nonlinearity (DNL)
±1
LSB max
Guaranteed monotonic
Bipolar Zero Error
±2
mV max
At 25°C
±3
mV max
Bipolar Zero Temperature
±1
ppm FSR/°C typ
Zero-Scale Error
±2
mV max
At 25°C
±3.5
mV max
Zero-Scale Temperature
±1
ppm FSR/°C typ
Gain Error
±0.03
% FSR max
At 25°C, coarse gain register = 0
±0.04
% FSR max
Coarse gain register = 0
±1
ppm FSR/°C typ
0.5
LSB max
Reference Input Voltage
2.048
V nominal
±1% for specified performance
DC Input Impedance
1
M min
Typically, 100 M
Input Current
±10
A max
Typically, ±30 nA
Reference Range
1 to 2.1
V min to V max
±4.31158
V min/V max
Coarse gain register = 2
±4.20103
V min/V max
Coarse gain register = 1
±4.096
V min/V max
Coarse gain register = 0
±4.42105
V min/V max
VREFIN = 2.1 V, coarse gain register = 2
Output Voltage Drift vs. Time
±32
ppm FSR/500 hours typ
±37
ppm FSR/1000 hours typ
Short-Circuit Current
10
mA typ
Load Current
±1
mA max
For specified performance
Capacitive Load Stability
RLOAD = ∞
200
pF max
RLOAD = 10 k
1000
pF max
DC Output Impedance
0.3
max
DVCC = 2.7 V to 5.25 V, JEDEC
compliant
VIH, Input High Voltage
2
V min
VIL, Input Low Voltage
0.8
V max
Input Current
±1
A max
Per pin
Pin Capacitance
10
pF max
Per pin